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China Best Sales GWSPC1000 100% clean low-energy low noise oil free SF6 recovery compressor no oil air scroll vacuum compressor portable air compressor

Product Description

GWSPC Oil free Scroll Vacuum Compressor

Working principle:
GWSPC oil free scroll vacuum compressor is constructed with machine head assembly, crank pin assembly, bracket assembly, air flush assembly, and exhaust valve assembly. Two spiral cylinders, 1 offset and orbiting against the other fixed with an offset of 180° to form several crescent-shaped pockets of differing sizes. By means of an eccentric drive, the orbiting scroll is made to orbit about the fixed scroll, reducing the volume of the pockets and compressing gas from outside towards the inside thereby pumping the gas from vacuum chamber and compressing.

Basic informations:
1) Model: GWSPC1000 Oil free Scroll Vacuum Compressor
2) Ultimate vacuum pressure: 10.0Pa
3) Max suction capacity: 50Hz-35.8cfm 60Hz-42.8cfm

Safety Precautions:
The GWSPC series oil free scroll vacuum compressor are suitable for clean processes only.
Do not use toxic, explosive, flammable or corrosive substances or substances which contain chemicals, solvents or particles.GEOWELL will not perform maintenance work on compressors which have used special gases or other hazardous substances.
Be sure the inlet gas temperature must be less than 122 F.

Technical Specifications

Model			GWSPC75	GWSPC150	GWSPC300	GWSPC600	GWSPC1000
Pumping Speed	50Hz	m3/h	3.6	7.2	15.5	31.3	59.8
	50Hz	cfm	2.2	4.3	9.3	18.7	35.8
	60Hz	m3/h	4.3	8.6	18.3	37.4	71.6
	60Hz	cfm	2.5	5.1	10.9	22.3	42.8
Ultimate Pressure		mbar	≤3.0*10-1	≤3.0*10-1	≤2.0*10-1	≤1.0*10-1	*≤1.010-1**
Ultimate Pressure		Torr	≤2.2*10-1	≤2.2*10-1	≤1.5*10-1	≤7.5*10-1	*≤7.510-1**
Noise Level		dB(A)	≤57	≤57	≤61	≤63	≤65
Max. Inlet/Exhaust Pressure		MPa	0.1/0.3
Ambient Operation Temp.		ºF	41~104
Motor 3 phase	Power	kW	0.55	0.55	1.5	2.2	3.0
	Voltage	V	200~230 or 380~415 (50Hz), 200~230 or 460 (60Hz)
	Speed	rpm	1425 (50Hz), 1725 (60Hz)
Inlet/Exhaust Flange			KF25/KF16			KF40/KF16	*KF40/KF162**
Dimensions		mm	450206296	455260296	540287334	578315355	*655380402*
Weight		kg	21	22	39	53	64
Cooling Type			Air cooled

Features & Benefits

No oil clean vacuum.
No oil back-diffusion, no oil mist exhaust, provide clean vacuum environment
Wide product lineup.
Pumping speed covers 7~60 m3/h, limited vacuum level 10~30 Pa
Suitable for all type of power supply around the world.
220/380/460V, 50/60Hz for choose
Low vibration, low noise.
57~65 dB(A), smooth operation
High efficiency, ease of maintenance.
No water cooled, no oil lubricated, no daily maintenance

Quality Control

CMM inspection system assures
fixed tolarance on dimension&shape

Pump Testing

Applications

· SF6 recovery and recirculating
· Special gas recovery

SF6 Recirculation Station.

R134/R22 Recirculation System.

What Industries Commonly Use Water-Lubricated Air Compressors?

Water-lubricated air compressors find applications in various industries where specific operating conditions or regulatory requirements make them a preferred choice. Here are some industries that commonly utilize water-lubricated air compressors:

Food and Beverage: Water-lubricated compressors are often used in the food and beverage industry due to their ability to provide clean, oil-free compressed air. Compressed air is widely used in food processing and packaging applications, such as pneumatic conveying, product mixing, bottle blowing, and food packaging. Water-lubricated compressors help maintain product purity, prevent oil contamination, and comply with stringent food safety standards.
Pharmaceutical and Healthcare: The pharmaceutical and healthcare industries have strict requirements for compressed air quality, especially in applications where compressed air comes into direct contact with pharmaceutical products or is used in critical medical equipment. Water-lubricated compressors offer a viable solution by providing lubrication without the risk of oil contamination. They are commonly used for processes such as air agitation, medical device manufacturing, and laboratory applications.
Electronics and Semiconductors: In electronics and semiconductor manufacturing, where sensitive components and cleanroom environments are involved, oil-free compressed air is essential. Water-lubricated compressors can provide the required level of air purity without introducing oil particles or vapors that could contaminate the electronics or semiconductor production processes. They are used in applications such as chip manufacturing, circuit board assembly, and cleanroom air supply.
Textile and Garment: Water-lubricated compressors are utilized in the textile and garment industry, where the presence of oil can negatively impact the quality and appearance of fabrics or garments. Compressed air is widely used in textile machinery for tasks such as spinning, weaving, and air jet looms. Water-lubricated compressors ensure oil-free air supply, preventing oil stains or contamination that could affect the final textile or garment products.
Environmental and Wastewater Treatment: Water-lubricated compressors are also employed in environmental and wastewater treatment applications. These compressors help supply air for aeration processes in wastewater treatment plants, where air is introduced into the treatment tanks to facilitate the growth of beneficial bacteria for biological treatment. Water-lubricated compressors provide oil-free compressed air, ensuring the purity and effectiveness of the treatment process.

While the industries mentioned above commonly use water-lubricated air compressors, it is important to note that these compressors may also find applications in other sectors where oil-free, contamination-free compressed air is required for specific processes or environmental considerations.

air compressor

How Do You Troubleshoot Common Problems with Water-Lubrication Systems?

When encountering common problems with water-lubrication systems, it is essential to follow a systematic troubleshooting approach. Here’s a detailed explanation of the steps involved in troubleshooting common issues with water-lubrication systems:

Step 1: Identify the Problem:

The first step is to identify the specific problem or symptom that is affecting the water-lubrication system. Common problems may include inadequate lubrication, water leaks, abnormal noises, or reduced system performance. Understanding the specific issue will help in determining the appropriate troubleshooting steps.

Step 2: Check Water Supply:

Verify that there is a proper water supply to the system. Ensure that the water source is connected and flowing adequately. Check for any obstructions or restrictions in the water lines that may be affecting the water flow to the lubrication system.

Step 3: Inspect Water Filters and Strainers:

Water filters and strainers are used in water-lubrication systems to remove debris and impurities from the water. Inspect these filters and strainers for clogs or blockages that may be hindering the water flow. Clean or replace the filters as necessary to ensure proper water filtration.

Step 4: Verify Water Pressure:

Check the water pressure within the system to ensure it falls within the recommended range. Low water pressure can result in inadequate lubrication, while high water pressure can cause leaks or damage to the system. Use a pressure gauge to measure the water pressure and adjust it if necessary according to the manufacturer’s guidelines.

Step 5: Examine Water-Lubrication Components:

Closely inspect the various components of the water-lubrication system, including the water pump, distribution lines, lubrication points, and seals. Look for signs of wear, damage, or misalignment that may be contributing to the problem. Tighten loose connections and replace any damaged or worn-out components as needed.

Step 6: Check for Air in the System:

Air trapped within the water-lubrication system can affect its performance. Bleed the system to remove any trapped air. Follow the manufacturer’s instructions for bleeding air from the system, which typically involves opening specific valves or vents until a steady flow of water is achieved.

Step 7: Inspect Cooling Mechanisms:

Water-lubrication systems often incorporate cooling mechanisms, such as heat exchangers or radiators, to dissipate excess heat. Inspect these cooling components for blockages, corrosion, or leaks that may be compromising their effectiveness. Clean or repair the cooling mechanisms as necessary to ensure proper heat dissipation.

Step 8: Consult Manufacturer Documentation:

If the troubleshooting steps above do not resolve the problem, refer to the manufacturer’s documentation, such as the user manual or technical specifications. These resources may provide specific troubleshooting guidelines, diagnostics, or additional maintenance procedures for the water-lubrication system.

Step 9: Seek Professional Assistance:

If the problem persists or if the troubleshooting steps are beyond your expertise, it is advisable to seek professional assistance. Contact the manufacturer’s technical support or consult a qualified technician with experience in water-lubrication systems. They can provide expert guidance and assistance in resolving complex issues.

By following these troubleshooting steps, you can effectively identify and address common problems encountered in water-lubrication systems, ensuring optimal performance and reliability.

air compressor

Are There Any Downsides to Using Water-Lubricated Air Compressors?

While water-lubricated air compressors offer several advantages, there are also some downsides to consider when using this type of compressor. Here are a few potential drawbacks associated with water-lubricated air compressors:

Water quality requirements: Water-lubricated compressors are highly dependent on the quality of the water used for lubrication. The water should be free from contaminants, minerals, and impurities that can affect the compressor’s performance or cause corrosion. Ensuring the consistent availability of high-quality water may require additional filtration or treatment processes, which can add complexity and cost to the system.
Increased maintenance: Compared to oil-lubricated compressors, water-lubricated models may require more frequent maintenance. Regular checks, cleaning, and monitoring of the water system are necessary to prevent blockages, maintain proper water flow, and ensure the cleanliness of the compressor. This increased maintenance requirement can result in higher operational costs and more downtime for maintenance activities.
Potential for corrosion: While water itself is not corrosive, certain water conditions, such as high mineral content or low pH levels, can promote corrosion within the compressor system. Corrosion can lead to component damage, reduced efficiency, and the need for repairs or replacements. Implementing corrosion prevention measures, such as water treatment or the use of corrosion-resistant materials, may be necessary to mitigate this risk.
Compatibility limitations: Water-lubricated compressors may have limitations when it comes to compatibility with certain materials or gases. For example, in applications where the compressed air comes into contact with sensitive materials or requires specific gas purity, the use of water as a lubricant may not be suitable. In such cases, alternative lubrication methods or compressor types may be more appropriate.
Environmental considerations: While water is generally considered environmentally friendly, the disposal of used water from the compressor system may require proper wastewater management. Depending on local regulations and requirements, additional steps may be needed to ensure compliant and environmentally responsible disposal of the water used for lubrication.

Despite these potential downsides, water-lubricated air compressors continue to be used in various industries and applications due to their specific advantages and suitability for certain environments. It is important to carefully evaluate the specific requirements, operating conditions, and maintenance considerations of a given application to determine whether a water-lubricated compressor is the most suitable choice.

water_lubrication_air_compressor
editor by lmc 2025-03-03

China best Muqi Factory Supply Screw Type 55kw 75kw 90kw 110kw 200kw Dry Oil Free Industrial Screw Air Compressor Factory Price with Great quality

Product Description

Muqi Factory Supply Screw Type 55kw 75kw 90kw 110kw 200kw Dry Oil Free Industrial Screw Air Compressor Factory Price

PM VSD Screw Air Compressor
Permanent magnet use high-strength NdFeB (neodymium iron boron) magnetic steel, high magnetic energy product and connectivity of NdFeB magnetic steel, make rare-earth permanent magnet motor have small size , lightweight , high efficient, good character etc

Advantages:
The permanent magnet motor remains high efficiency at low speeds, ensuring obvious energy-saving advantages in small air volume
-Frequency range from 0%-100%(common conversion from 60%-100%)D
-Compared with the fixed speed compressor, energy saving 22%-40%
-Compared with the common inverter compressor, energy saving 5%-15%
System volume fluctuations larger, the energy-saving effect more obvious.

Product Specification

Factory Supply Screw Type 55kw 75kw 90kw 110kw 200kw Dry Oil Free Industrial Screw Air Compressor Factory Price

Two-Stage Two Drive Series Technical Parameters(VSD)

Model Number

MQ-90DA

Capacity

18.5-23.5m3/min

Motor Power

90kw

Dimensions(mm)

2900*1650*1850

Weight

2680kg

Air Outlet Pipe Diamater

DN80

Product Details

Unique air end

Two IPM motors,two-stage screw,gearless
More stable,more energy saving,more efficiency
SK bearing
It has the advantages of withstanding higher loads, having lower noise, greatly reducing operating costs, and increasing machine reliability

No transmission trouble
TRSLPM running under the top efficiency all time
High efficiencylPM motor + “0”transmission loss
Low running noise

Microcomputer intelligent control air compressor dischargepressure,exhaust gas temperature, engine speed, oil pressure,water temperature and fuel tank level operating parameterswith automatic alarm and shutdown protection.

Multi-language display
Personalized Control System
Easy to operate,can work for you 24 hours without anyone on duty

Product Parameters

Permanent magnet screw air compressor
Two-Stage Two Drive Series Technical Parameters(VSD)

Model	Power(Kw)	Free air delivery(m3/min)				Weight(kg)	size(mm)			Pipe Diamater
Model	Power(Kw)	0.6Mpa	0.7MPa	0.8MPa	1.0MPa	Weight(kg)	length	width	height	Pipe Diamater
MQ37DA	37	8.8	8.4	8	7.1	1500	2380	1300	1590	DN50
MQ45DA	45	11.8	11.4	10.7	9.4	1750	2380	1300	1590	DN50
MQ55DA	55	14.2	13.7	12.7	11.7	1750	2380	1300	1590	DN50
MQ75DA	75	17	16.3	16.1	12.8	2650	2900	1650	1850	DN65
MQ75DW	75	17	16.3	16.1	12.8	2430	2400	1650	1850	DN65
MQ90DA	90	23.5	22.3	20.6	18.5	2680	2900	1650	1850	DN65
MQ90DW	90	23.5	22.3	20.6	18.5	2490	2400	1650	1850	DN65
MQ110DA	110	26	25	24	22	2700	2900	1650	1850	DN65
MQ110DW	110	26	25	24	22	2600	2400	1650	1850	DN65
MQ132DA	132	30	29	28	24.5	3340	3100	1800	1950	DN80
MQ132DW	132	30	29	28	24.5	2960	2650	1800	1950	DN80
MQ160DA	160	35.5	34.5	33.8	31	3360	3100	1800	1950	DN80
MQ160DW	160	35.5	34.5	33.8	31	3180	2650	1800	1950	DN80
MQ185DA	185	41	38.5	36	32	4400	3600	1900	2050	DN100
MQ185DW	185	41	38.5	36	32	3650	3000	1900	2050	DN100
MQ200DA	200	42	41	40	34	4400	3600	1900	2050	DN100
MQ200DW	200	42	41	40	34	3700	3000	1900	2050	DN100
MQ220DA	220	50	46.5	45	40	5120	4100	2255	2300	DN125
MQ220DW	220	50	46.5	45	40	4550	3250	2255	2300	DN125
MQ250DA	250	58	55	53	43	5120	4100	2255	2300	DN125
MQ250DW	250	58	55	53	43	4550	3250	2255	2300	DN125

Applications

Company Profile

Established in 2012,Muqi Air Compressor Co.,Ltd is a manufacturer which specialized in R&D, design,produce,sale and after-sales service of air compressor.We are located in HangZhou city, ZheJiang province. With the convenient transportation , you are welcomed to visit us at anytime.

As 1 of compressor experts in north of China,Muqi has a complete production line,that is we have nearly all kinds of air compressor,such as screw compressor,portable air compressor,industrial air compressor,rotary compressor,oil-less air compressor,two stage air compressor,permanent magnet variable speed/frequency air compressor,energy save air compressor,variable flow air compressor,permanent magnet synchronous compressor,etc.They are widely used in machinery, light industry, textile, food, petroleum, chemical industry, metallurgy, mining, electric power, urban construction, medical research and national defense research and other industries.
About our team,we have R&D department with 15 engineers and technicians,we can offer the solutions for your specific requirements,not only for different voltage(V) and frequency(Hz),besides,there are sales department,production department,QC department,logistic department.All departments cooperate together to make sure to delivery on time and qualified.

Certifications

Air compressor service

After-sale Service
• Any questions or requests before, during or after sales, we would like to help you any time and will find you the best solution in 24 hours.
• Warranty: One year for the whole machine 2 year for air end , and spare parts will be provided with best price.
Special Customized Service
1) Full OEM
• Quantity: at least 5 pcs
• In this plan, we will do all the changes (Color, name plate and logo) as your need, and will not charge extra fee.
2) Half OEM
• Quantity: no limit
• Under this program, we can make the necessary alteration (name plate and logo) but we will charge some extra fee for the name plate, as the name plate factory has the MOQ.
3) Logo OEM
• Quantity: no limit
• Only the logo will be changed to yours, and no extra fee will be charged

FAQ

Q:Our voltage is different from China,can we use your air compressor?

A:Sure,voltage and color are customizable,380V/3Ph/50HZ/60HZ, 220V/3Ph/50HZ/60HZ, 440V/3Ph/50HZ/60HZ, 415V/3Ph/50HZ/60HZ or as your required.

2.Q:What’s the warranty terms of your screw air compressor?

A: 1 year

3.Q: What service will u provide if there is problem during the warranty?

A:We have after-sales service team.During the warranty period, we will provide free parts replacement and technical guidance no matter what model of air compressor.

4.Q:Can you accept OEM orders?

A: Yes, with a professional design team, OEM orders are very welcome.

5.Q:What’s your delivery time?

A: Usually,380V 50HZ we can ship within 7-15 days. Other electric or other colors we will ship within 25-30 days

6.Q: what’s your payment term?
A: Generally,it’s T/T. Also we could accept USD, RMB, Euro and other currency

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air compressor

Can Water-Lubricated Compressors Be Used in High-Pressure Applications?

Water-lubricated compressors can be used in high-pressure applications, but there are certain considerations and limitations to keep in mind. Here’s a detailed explanation:

Water-lubricated compressors are typically designed for lower to medium-pressure ranges. They are commonly used in applications where the required discharge pressure does not exceed a certain threshold, typically up to a few hundred pounds per square inch (psi). However, there are specialized water-lubricated compressors available that can handle higher pressures, depending on the specific design and construction.

The ability of a water-lubricated compressor to operate at high pressures depends on several factors:

Compressor Design: The design and construction of the compressor play a crucial role in determining its maximum pressure rating. Compressors designed for high-pressure applications need to have robust components, such as reinforced casings, high-strength materials, and proper sealing mechanisms to withstand the elevated pressures. Special attention should be given to the design of the water-lubricated bearing system to ensure it can handle the increased loads and pressures.
Water Supply and Cooling: High-pressure compressors generate more heat during the compression process, requiring efficient cooling mechanisms to maintain safe operating temperatures. Sufficient water supply and cooling capacity must be available to handle the increased heat load. Adequate flow rates, temperature control, and cooling methods, such as water jackets or external cooling systems, may be necessary to prevent overheating and ensure proper lubrication and cooling of the compressor components.
Water Quality: The quality of the water used for lubrication becomes even more critical in high-pressure applications. Any impurities, contaminants, or minerals present in the water can cause increased wear, corrosion, or blockages, jeopardizing the compressor’s performance and reliability. Water treatment or filtration systems may be required to maintain the desired water quality and prevent damage to the compressor.
Sealing and Leakage Control: As the pressure increases, it becomes more challenging to maintain effective sealing and prevent leakage in the compressor system. Proper sealing mechanisms, such as high-quality seals and gaskets, are essential to ensure minimal leakage and maintain the required pressure levels. Adequate monitoring and maintenance of the sealing components are necessary to prevent energy losses and ensure the compressor’s efficiency.

It’s worth noting that for extremely high-pressure applications, water-lubricated compressors may not be the most suitable choice. In such cases, alternative lubrication methods, such as oil or specialized lubricants, are often preferred to handle the extreme pressures and provide adequate lubrication and cooling.

When considering the use of water-lubricated compressors in high-pressure applications, it is crucial to consult with the compressor manufacturer or a qualified engineer to ensure that the chosen compressor model is specifically designed and rated for the desired pressure range. Proper installation, maintenance, and adherence to the manufacturer’s guidelines are essential to ensure the safe and efficient operation of the compressor in high-pressure conditions.

air compressor

Are There Regulations Governing the Use of Water-Lubricated Air Compressors?

When it comes to the use of water-lubricated air compressors, there are several regulations and standards that govern their operation and ensure compliance with safety, environmental, and performance requirements. Here’s a detailed explanation of the regulations related to water-lubricated air compressors:

1. Occupational Safety and Health Administration (OSHA) Regulations:

OSHA is a regulatory agency in the United States that sets and enforces workplace safety and health standards. While OSHA does not have specific regulations solely dedicated to water-lubricated air compressors, they have general regulations that apply to all types of air compressors. These regulations include requirements for safe operation, maintenance, and guarding of equipment to protect workers from hazards such as electrical shocks, mechanical injuries, and exposure to hazardous substances.

2. Environmental Protection Agency (EPA) Regulations:

The EPA is responsible for implementing and enforcing environmental regulations in the United States. Although there are no specific regulations for water-lubricated air compressors, the EPA has regulations that govern the discharge of water and other substances into the environment. If the water-lubricated compressor system involves the use of cooling water or generates wastewater, it may be subject to regulations related to water pollution control, water treatment, and proper disposal of wastewater.

3. International Organization for Standardization (ISO) Standards:

The ISO develops international standards that provide guidelines and requirements for various industries and technologies. ISO 8573 is a standard that addresses the quality of compressed air used in different applications. This standard sets limits and specifications for various contaminants in compressed air, including water content. Water-lubricated air compressors need to comply with the requirements of ISO 8573 to ensure the produced compressed air meets the desired quality standards.

4. Manufacturer Guidelines and Recommendations:

In addition to regulatory requirements, it is essential to follow the guidelines and recommendations provided by the manufacturers of water-lubricated air compressors. Manufacturers typically provide instructions for installation, operation, maintenance, and safety precautions specific to their equipment. Adhering to these guidelines is crucial to ensure the safe and proper functioning of the equipment and to maintain warranty coverage.

It’s important to note that the specific regulations and standards governing water-lubricated air compressors may vary depending on the country or region. Therefore, it is advisable to consult the relevant regulatory agencies, industry organizations, and local authorities to ensure compliance with applicable regulations and standards in a particular jurisdiction.

By complying with the relevant regulations, standards, and manufacturer guidelines, users of water-lubricated air compressors can ensure the safe and efficient operation of their equipment while minimizing any potential environmental impacts.

air compressor

How does a water lubrication system work in air compressors?

A water lubrication system in air compressors is designed to provide lubrication and cooling to the internal components of the compressor using water as the lubricant. This system offers an alternative to traditional oil lubrication systems and has specific advantages in certain applications. Here’s a detailed explanation of how a water lubrication system works in air compressors:

1. Water Injection:

In a water lubrication system, a controlled amount of water is injected into the compression chamber of the air compressor. This can be achieved through various methods, such as direct injection or atomization of water droplets.

2. Lubrication:

As the compressed air is generated, the injected water serves as a lubricant for the internal components of the compressor. The water forms a thin film on the surfaces, reducing friction and wear between the moving parts. This lubrication helps to improve the efficiency and lifespan of the compressor.

3. Cooling:

The water injected into the compression chamber also acts as a cooling medium. As the air is compressed, heat is generated, and the injected water absorbs some of this heat. The water carries away the heat, preventing excessive temperature rise and maintaining optimal operating conditions for the compressor.

4. Separation and Filtration:

After serving its lubrication and cooling purposes, the water needs to be separated from the compressed air. The compressed air and water mixture pass through a separator or filtration system, which separates the water from the compressed air. This can involve mechanisms such as centrifugal force, gravity separation, or filtration media.

5. Water Treatment:

In water lubrication systems, proper water treatment is essential to maintain the quality and performance of the system. Water filtration and purification processes are employed to remove impurities, contaminants, and any solid particles present in the water. This ensures that the injected water is clean and free from any substances that could potentially harm the compressor or the downstream air system.

6. Recirculation or Discharge:

Depending on the specific design of the water lubrication system, the separated water can be recirculated back into the system for reuse or discharged from the compressor. Recirculation systems involve the treatment and filtration of the water before reintroducing it into the compression chamber. Discharge systems, on the other hand, may involve further treatment or disposal of the water in an environmentally responsible manner.

By utilizing a water lubrication system, air compressors can benefit from reduced oil consumption, improved air quality, and enhanced energy efficiency. These systems are commonly employed in industries where oil contamination must be avoided, such as food processing, pharmaceutical manufacturing, and electronics production.

water_lubrication_air_compressor
editor by lmc 2025-03-03

China factory 390cfm 10.5bar Diesel Engine Box Type Portable Air Compressor for Sandblasting air compressor repair near me

Product Description

MODEL	CF100B-7	CF185B-7	CF185B-10.5	CF275B-7	CF400B-7	CF390B-10.5
Air End Type	Rotary Twin Screw, Single stage	Rotary Twin Screw, Single stage	Rotary Twin Screw, Single stage	Rotary Twin Screw, Single stage	Rotary Twin Screw, Single stage	Rotary Twin Screw, Single stage
Air Outlets	3/4” x 2	3/4” x 3	3/4” x 3	3/4” x 2 + 1-1/4” x 1	3/4” x 3 + 2′ x 1	3/4” x 3 + 2′ x 1
Free Air Delivery	100 CFM / 2.8 m3/min	185 CFM / 5.2 m3/min	185 CFM / 5.2 m3/min	275 CFM / 7.8 m3/min	400 CFM / 11.2 m3/min	390 CFM / 11 m3/min
Working Pressure	7 bar / 101.5 psi	7 bar / 101.5 psi	10.5 bar / 152.25 psi	7 bar / 101.5 psi	7 bar / 101.5 psi	10.5 bar / 152.25 psi
Engine Model	ISUZU	ISUZU	ISUZU	ISUZU	CUMMINS	CUMMINS
Fuel	Diesel	Diesel	Diesel	Diesel	Diesel	Diesel
Emission	China Stage II	China Stage II	China Stage II	China Stage II	China Stage II	China Stage II
Engine Type	4 cylinder, Direct-injection	4 cylinder, Direct-injection	4 cylinder, Direct-injection	4 cylinder, Direct-injection	4 cylinder, Direct-injection	4 cylinder, Direct-injection
Displacement	2.771 L	2.771 L	2.771 L	2.771 L	3.9 L	5.9 L
L X W X H	18809151230 mm	21009801100 mm	228012241260 mm	228012241260 mm	265713551466 mm	297013501465 mm
Weight	820 kg	930 kg	1100 kg	1100 kg	1850 kg	1920 kg
Note: Please feel free to contact us if any more customized requirements !

HangZhou Caifull Precision Machinery Co.,ltd. (CFAIR COMPRESSOR), headquartered in HangZhou, is a professional engine driven air compressor manufacturer dedicated to offering the world-leading diesel compressors in the world. Since 45 years of industry accumulation, we serve customers world wide. We maintain the close relationship with customers and market. With your valuable suggestions, we keep on growing and innovation for making diesel air compressor on top.

Developers travel around the world to investigate the market and develop machines that reflect the needs of the global market according to the research results. In recent years, compliance with new emission standards and regulations, taking into account environmental impacts has become the basis for this research and ensuring that all compressors meet the re-established standards for each standard.

In addition, we develop environmentally friendly and user-friendly, safe and durable machines that are easy to maintain at the front line of design.

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air compressor

Can air compressors be used for shipbuilding and maritime applications?

Air compressors are widely used in shipbuilding and maritime applications for a variety of tasks and operations. The maritime industry relies on compressed air for numerous essential functions. Here’s an overview of how air compressors are employed in shipbuilding and maritime applications:

1. Pneumatic Tools and Equipment:

Air compressors are extensively used to power pneumatic tools and equipment in shipbuilding and maritime operations. Pneumatic tools such as impact wrenches, drills, grinders, sanders, and chipping hammers require compressed air to function. The versatility and power provided by compressed air make it an ideal energy source for heavy-duty tasks, maintenance, and construction activities in shipyards and onboard vessels.

2. Painting and Surface Preparation:

Air compressors play a crucial role in painting and surface preparation during shipbuilding and maintenance. Compressed air is used to power air spray guns, sandblasting equipment, and other surface preparation tools. Compressed air provides the force necessary for efficient and uniform application of paints, coatings, and protective finishes, ensuring the durability and aesthetics of ship surfaces.

3. Pneumatic Actuation and Controls:

Air compressors are employed in pneumatic actuation and control systems onboard ships. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control propulsion systems, and manage various shipboard processes. Pneumatic control systems offer reliability and safety advantages in maritime applications.

4. Air Start Systems:

In large marine engines, air compressors are used in air start systems. Compressed air is utilized to initiate the combustion process in the engine cylinders. The compressed air is injected into the cylinders to turn the engine’s crankshaft, enabling the ignition of fuel and starting the engine. Air start systems are commonly found in ship propulsion systems and power generation plants onboard vessels.

5. Pneumatic Conveying and Material Handling:

In shipbuilding and maritime operations, compressed air is used for pneumatic conveying and material handling. Compressed air is utilized to transport bulk materials, such as cement, sand, and grain, through pipelines or hoses. Pneumatic conveying systems enable efficient and controlled transfer of materials, facilitating construction, cargo loading, and unloading processes.

6. Air Conditioning and Ventilation:

Air compressors are involved in air conditioning and ventilation systems onboard ships. Compressed air powers air conditioning units, ventilation fans, and blowers, ensuring proper air circulation, cooling, and temperature control in various ship compartments, cabins, and machinery spaces. Compressed air-driven systems contribute to the comfort, safety, and operational efficiency of maritime environments.

These are just a few examples of how air compressors are utilized in shipbuilding and maritime applications. Compressed air’s versatility, reliability, and convenience make it an indispensable energy source for various tasks and systems in the maritime industry.

air compressor

Can air compressors be used for medical and dental applications?

Yes, air compressors can be used for various medical and dental applications. Compressed air is a reliable and versatile utility in healthcare settings, providing power for numerous devices and procedures. Here are some common applications of air compressors in medical and dental fields:

1. Dental Tools:

Air compressors power a wide range of dental tools and equipment, such as dental handpieces, air syringes, air scalers, and air abrasion devices. These tools rely on compressed air to generate the necessary force and airflow for effective dental procedures.

2. Medical Devices:

Compressed air is used in various medical devices and equipment. For example, ventilators and anesthesia machines utilize compressed air to deliver oxygen and other gases to patients. Nebulizers, used for respiratory treatments, also rely on compressed air to convert liquid medications into a fine mist for inhalation.

3. Laboratory Applications:

Air compressors are used in medical and dental laboratories for various purposes. They power laboratory instruments, such as air-driven centrifuges and sample preparation equipment. Compressed air is also used for pneumatic controls and automation systems in lab equipment.

4. Surgical Tools:

In surgical settings, compressed air is employed to power specialized surgical tools. High-speed air-driven surgical drills, saws, and bone-cutting instruments are commonly used in orthopedic and maxillofacial procedures. Compressed air ensures precise control and efficiency during surgical interventions.

5. Sterilization and Autoclaves:

Compressed air is essential for operating sterilization equipment and autoclaves. Autoclaves use steam generated by compressed air to sterilize medical instruments, equipment, and supplies. The pressurized steam provides effective disinfection and ensures compliance with rigorous hygiene standards.

6. Dental Air Compressors:

Specialized dental air compressors are designed specifically for dental applications. These compressors have features such as moisture separators, filters, and noise reduction mechanisms to meet the specific requirements of dental practices.

7. Air Quality Standards:

In medical and dental applications, maintaining air quality is crucial. Compressed air used in healthcare settings must meet specific purity standards. This often requires the use of air treatment systems, such as filters, dryers, and condensate management, to ensure the removal of contaminants and moisture.

8. Compliance and Regulations:

Medical and dental facilities must comply with applicable regulations and guidelines regarding the use of compressed air. These regulations may include requirements for air quality, maintenance and testing procedures, and documentation of system performance.

It is important to note that medical and dental applications have specific requirements and standards. Therefore, it is essential to choose air compressors and associated equipment that meet the necessary specifications and comply with industry regulations.

air compressor

Can air compressors be used for automotive applications?

Yes, air compressors can be used for various automotive applications and are commonly found in automotive repair shops, garages, and even in some vehicles. Here are some automotive applications where air compressors are frequently utilized:

1. Tire Inflation: Air compressors are commonly used to inflate tires in automotive applications. They provide a convenient and efficient way to inflate tires to the recommended pressure, ensuring optimal tire performance, fuel efficiency, and safety.

2. Air Tools: Air compressors power a wide range of pneumatic tools used in automotive repair and maintenance. These tools include impact wrenches, ratchet wrenches, air hammers, pneumatic drills, and sanders. Air-powered tools are favored for their high torque and power-to-weight ratio, making them suitable for heavy-duty automotive tasks.

3. Spray Painting: Air compressors are commonly used in automotive painting applications. They power airbrushes and spray guns that are used to apply paint, primer, and clear coats. Air compressors provide the necessary air pressure to atomize the paint and deliver a smooth and even finish.

4. Brake System Maintenance: Air compressors play a crucial role in maintaining and diagnosing automotive brake systems. They are used to pressurize the brake lines, allowing for proper bleeding of the system and detection of leaks or faults.

5. Suspension Systems: Some automotive suspension systems, such as air suspensions, rely on air compressors to maintain the desired air pressure in the suspension components. The compressor inflates or deflates the suspension as needed to provide a comfortable ride and optimal handling.

6. Cleaning and Dusting: Air compressors are used for cleaning automotive parts, blowing away dust and debris, and drying surfaces. They provide a high-pressure stream of air that effectively cleans hard-to-reach areas.

7. Air Conditioning Systems: Air compressors are a key component in automotive air conditioning systems. They compress and circulate refrigerant, allowing the system to cool and dehumidify the air inside the vehicle.

When using air compressors for automotive applications, it’s important to consider the specific requirements of the task at hand. Ensure that the air compressor has the necessary pressure and capacity to meet the demands of the application. Additionally, use appropriate air hoses, fittings, and tools that are compatible with the compressor’s output.

Overall, air compressors are versatile and valuable tools in the automotive industry, providing efficient power sources for a wide range of applications, from tire inflation to powering pneumatic tools and supporting various automotive systems.

air compressors
editor by lmc 2025-02-25

China Custom China Sanzhi Powerful Professional Grade Permanent Magnet VFD/VSD Two-Stage Air Cooling Screw Air Compressor for Pet Blowing Industry, Gas Filling Station air compressor lowes

Product Description

Introducing the groundbreaking Low-Pressure Compressor, an extraordinary innovation brought to you exclusively by Sanzhi (ZheJiang ) Compressor Co., Ltd.! Embark on an unrivaled journey of industrial CHINAMFG with our spectacular Two-Stage Compression Permanent Magnet Variable Frequency Drive Screw Air Compressor. This exceptional engineering marvel is designed to offer an outstanding array of power options, ranging from a robust 15KW to an impressive 250KW. Engineered with precision and versatility in mind, this powerhouse of reliability and efficiency is truly set to revolutionize your operations. Experience the transformative power of this state-of-the-art compressor, meticulously crafted to exceed the diverse and demanding requirements of today’s industries. Immerse yourself in the pinnacle of air compression technology with this high-capacity machine, ideally suited for heavy-duty applications. With its sophisticated two-stage air cooling system, the compressor ensures unrivaled performance and longevity, establishing itself as the premier choice for businesses aiming to streamline operations and maximize productivity. Discover the pioneering brilliance of Sanzhi, where superior quality harmonizes seamlessly with exceptional performance, elevating industrial expectations to unprecedented new heights.

Product Structure

Internal Structure Frontside

Internal Structure Backside

Working Principle

Within this expertly crafted air compression environment lies the secret to unlocking unprecedented energy efficiency. Sanzhi (ZheJiang ) Compressor Co., Ltd. presents a marvel where single-stage compression boasts energy needs akin to multi-stage systems. However, real-world factors like coupling power losses, bearing friction, and fluid viscosity-driven cooling effects can elevate energy consumption. By meticulously optimizing the compression ratio at each stage, these inefficiencies are significantly reduced. Consequently, our multi-stage compression exhibits substantially lower total power consumption compared to single-stage alternatives, guaranteeing a refined and economically astute operation.

Introducing the CHINAMFG of innovation from Sanzhi (ZheJiang ) Compressor Co., Ltd.: the state-of-the-art Efficient Twin-Stage Two-Stage Air Cooling Screw Air Compressor. This engineering masterpiece features a meticulously refined twin-stage rotary screw mechanism, with each stage’s active screw powered by a robust external power transmission system. The initial stage showcases a low-pressure screw group, seamlessly transitioning to a high-pressure screw group in the second stage. Each screw is enveloped in a protective sealing air film. During operation, the gas experiences an intricate three-phase cycle of suction, pressurization, and exhaust, delivering unmatched compression efficiency and superior performance.

First Stage Compression: Journey into groundbreaking innovation with our two-stage screw air compressor, expertly compressing gas using the low-pressure screw group. Initially, gas is drawn into the compression chamber via the suction valve, where the rapid rotation of the screw rotor compresses it efficiently. Following this primary compression, the gas transitions effortlessly to the second stage, paving the way for further compression excellence.

Second Stage Compression: Elevate to the next tier as the gas experiences intensified compression within a more compact screw space, achieving heightened temperatures and pressures. This culminates as the exhaust valve opens, allowing high-pressure gases to exit the system, thus completing the entire compression cycle with unparalleled precision and effectiveness.

The air begins its sophisticated journey by entering through the air filter into the first compression stage, where it amalgamates with a precisely calculated amount of lubricating oil. This blend is compressed to an intermediate pressure, after which the gas transitions into a cooling channel. Here, it interacts with a generous oil mist, dramatically reducing the temperature. The cooled, compressed gas then advances to the second-stage rotor for its ultimate compression to the desired exhaust pressure. CHINAMFG CHINAMFG this final stage, the fully compressed gas exits the system through the exhaust valve, culminating the compression cycle with exceptional precision and efficiency.

Detailed Photos

1) High efficiency of PM motor:Discover a new CHINAMFG of energy efficiency with our state-of-the-art permanent magnet motor. This cutting-edge powerhouse boosts efficiency by an extraordinary 20-30% over conventional models. Its impressive range of constant torque and forward-thinking weak magnetic dynamics ensure it maintains unrivaled efficiency, even when exceeding rated frequency, providing optimal performance at all times.

2) Two-stage compression unique air end:Embrace the future with our revolutionary two-stage compression system, showcasing a uniquely crafted air end. This innovation masterfully combines dual compression rotors within a single casing, operating through direct gear-driven rotors at ideal linear speeds. Experience a remarkable increase in compression efficiency and unmatched reliability.

3) Integrated frequency converter: Harness the power of China’s leading frequency system with our compressor’s vast speed regulation range and precise control. Effortlessly adjust the frequency to match real-time gas needs for outstanding energy savings and enhanced operational performance.

4) Reduce internal leakage:Our pioneering two-stage compression technology meticulously optimizes the compression ratio per stage, significantly reducing internal leakage from high to low-pressure zones. This breakthrough elevates volumetric efficiency and enhances overall compressor performance.

5) Variable frequency start and the soft startOur motor, boasting variable frequency and soft start features, is designed to significantly reduce the stress on power grid systems. These features protect electrical components from potential damage, thus prolonging their lifespan remarkably.

6) Reduce energy consumption: Our cutting-edge frequency conversion system seamlessly operates from an impressive 25% to 100%, surpassing the typical 50% to 100% range. It delivers over 30% energy savings compared to fixed-speed compressors, plus an additional 5% efficiency boost over standard variable frequency systems, ideal for varying gas demands.

7) No transmission loss: Our brilliantly efficient design features a direct link between the permanent magnet motor and compressor, eliminating transmission components, ensuring flawless 100% transmission efficiency and guaranteeing CHINAMFG performance without compromise.

8) Air cooling method: Our superior air cooling system delivers exceptional cooling power, markedly lowering compressed air temperatures. This approach supports near-isothermal compression, reduces pressure loss, optimizes the compression ratio, and elevates overall efficiency.

9)Smart Touch Controller: Our advanced smart controller, equipped with intuitive intelligence, drastically reduces manual interventions. With a high-resolution color display, it offers user-friendly graphical interfaces, timely maintenance reminders, fault alerts, and safety shutdown notifications to ensure uninterrupted, smooth operation.

10)Special Type Intake Valve:Automatic opening ensures seamless engine fuel injection and oil circulation, significantly enhancing overall system efficiency.
With remarkably diminished oil circuit loss, our system achieves a notable efficiency enhancement.
The normally open solenoid valve ensures a secure seal during emergency stops, preventing oil injection and ensuring utmost system safety.

11)Excellent Air Filter:Our top-tier air filter offers unparalleled purification with a robust three-stage filtration system, ensuring premium air quality. It effectively eliminates steam and dust, surpassing the highest emission standards for environmentally conscious operations.

12)High-Quality Soundproof Cotton:Featuring innovative noise reduction housing and premium soundproof cotton, our design dramatically reduces operational vibrations and noise, creating a quieter, more efficient workplace environment.

13) Motor maintenance-free:Unveil the pinnacle of compressor technology with our revolutionary maintenance-free permanent magnet motor design, meticulously engineered to eliminate the complexity of internal bearings. This groundbreaking advancement eradicates the inconvenience of bearing maintenance and replacements, significantly curtailing long-term maintenance expenditures. As a result, our compressor systems are synonymous with enhanced reliability, consistently achieving CHINAMFG performance over extended durations. Embrace our innovative solution for unmatched cost-efficiency and extraordinary dependability.

14) Noise Reduction: Immerse yourself in the tranquility provided by Sanzhi (ZheJiang ) Compressor Co., Ltd.’s advanced two-stage compression technology. This remarkable system is expertly designed to optimize the compression ratio, leading to a significant reduction in operational noise levels, particularly during unloading phases. Enjoy a quieter, more efficient workspace that bolsters productivity, courtesy of the Sanzhi Efficient Robust Two-Stage Permanent Magnet VFD Screw Compressor. Trust Sanzhi’s unparalleled engineering expertise to elevate the CHINAMFG of your industrial operations.

15) Effortless Maintenance and Unmatched Service: Step into the future of hassle-free maintenance with our revolutionary two-stage compressor unit, meticulously crafted by Sanzhi (ZheJiang ) Compressor Co., Ltd. This cutting-edge design maintains the familiar structure and systems of a single-stage compressor, with the innovation centered on the screw air end. This ingenious design ensures maintenance and service remain straightforward and user-friendly. Revel in seamless maintenance paired with consistent, high-quality performance with the Sanzhi Efficient Robust Two-Stage Permanent Magnet VFD Screw Compressor. Rely on Sanzhi for effortless maintenance and outstanding results.

Product Parameters

Model	Power	Exhaust pressure	Free air delivery* of unit at working pressure	Voltage	Frequency	Air outlet discharge size	Weight	Dimensions
	KW	Mpa	m³/min	V	Hz	Inch	Kg	LWH(mm)
SZ15VF-II	15	0.5	4.00	380	50	G1½	660	14507801180
		0.8	3.00
		1.3	2.00
SZ19VF-II	18.5	0.5	5.00	380	50	G1½	680	14507801180
		0.8	4.00
		1.3	3.80
		1.6	2.20
SZ22VF-II	22	0.5	6.60	380	50	G1½	730	16508801280
		0.8	4.20
		1.3	3.00
		1.6	2.50
SZ30VF-II	30	0.5	7.00	380	50	G1½	980	200012601560
		0.8	6.40
		1.3	4.00
		1.6	3.00
SZ37VF-II	37	0.5	10.00	380	50	G1½	1080	200012601560
		0.8	7.00
		1.3	5.50
		1.6	4.00
SZ45VF-II	45	0.5	13.00	380	50	G2	1980	200012601560
		0.8	10.00
		1.3	6.50
		1.6	5.00
SZ55VF-II	55	0.5	17.00	380	50	G2	2180	215013001730
		0.8	12.00
		1.3	8.60
		1.6	5.00
SZ75VF-II	75	0.5	20.00	380	50	G2	2280	215013001730
		0.8	16.50
		1.3	11.00
		1.6	9.00
SZ90VF-II	90	0.5	24.00	380	50	DN65	3200	270019201820
		0.8	20.00
		1.3	14.00
		1.6	11.00
SZ110VF-II	110	0.5	28.00	380	50	DN65	3360	270019201820
		0.8	24.50
		1.3	18.00
		1.6	14.00
Due to product updates, the above parameters are subject to deviation in kind.

Our Advantages

1. Competitive Pricing

Unlock the gateway to unparalleled value with Sanzhi (ZheJiang ) Compressor Co., Ltd. When you collaborate with us, you embrace a world of factory-direct pricing excellence, offering you a formidable competitive edge within your industry. Elevate your market presence with our strategic pricing prowess, meticulously crafted to boost your profitability and solidify your market position.

2. Direct Transactions
Transform your purchasing experience through our cost-effective and seamless direct transaction model. Our efficient logistics pipeline delivers products straight from our factory to you, ensuring substantial savings and a consistently reliable supply chain that precisely meets your needs with unparalleled efficiency.

3. OEM & ODM Services
Capitalize on our advanced production and management capabilities to access superior OEM and ODM services. Each offering is tailored to align seamlessly with your unique needs, ensuring that all custom requirements are meticulously executed with precision and excellence.

4. Customized Solutions
Excel in handling non-standard and export orders with our tailor-made solutions. We expertly address a diverse range of voltage, power, and pressure specifications, crafting responses to meet your specific needs. Share your distinct requirements, and we’ll develop solutions that align with your precise expectations flawlessly.

5. Small Order Acceptance
Embark on your journey with us through a small trial order and experience the exceptional quality of our products first-hand. Ensure your complete satisfaction before scaling to larger orders, providing you with the ultimate peace of mind and steadfast confidence in your decision.

6. Rapid Delivery
Experience the peace of mind that comes with our swift and reliable delivery services. We prioritize ensuring the rapid arrival of our premium products, guaranteeing your operations remain seamless and function at CHINAMFG efficiency.

7. Comprehensive Authorization
Amplify your distribution capabilities with our comprehensive authorization certifications. Market and distribute SANZHI brand products with full confidence, supported by our extensive and rigorous certification process that empowers your success and drives your business growth.

Packaging & Shipping

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Successful Cases

Company Profile

Sanzhi (ZheJiang ) Compressor Co., Ltd stands as a distinguished leader in the innovative world of screw air compressors and vacuum pumps. With an illustrious track record spHangZhou over a decade, we are proud to introduce a cutting-edge selection of products. Our comprehensive portfolio includes standard and low-pressure screw air compressors, as well as the revolutionary permanent magnet frequency conversion screw air compressors and advanced two-stage compression screw air compressors. Catering to specialized requirements, our laser cutting screw air compressors deliver precision and reliability. We also offer adaptable single-tank and double-tank mobile screw air compressors. Our electric and diesel mobile screw air compressors are engineered for top-tier performance. Additionally, our cutting-edge screw vacuum pumps are meticulously designed to meet the most rigorous industrial standards.

At Sanzhi, our state-of-the-art production facility is equipped with cutting-edge multi-air compressor assembly lines, ensuring each unit is crafted with unparalleled efficiency and precision. Our dedicated team of over 50 highly skilled experts is committed to elevating our management systems, including the integration of ERP solutions, reducing lead times significantly. This dedication ensures rapid delivery of our premium products. Our relentless pursuit of innovation propels us to the pinnacle of the industry, setting new benchmarks of CHINAMFG that distinguish us from competitors.

Our meticulously crafted management systems are designed to uphold the highest quality standards. Accredited with the esteemed ISO9001 quality management system certification, we maintain rigorous quality control procedures. Each machine undergoes comprehensive inspections throughout various stages, from material selection to production checks and pre-delivery evaluations, ensuring unmatched product reliability and excellence. Our unwavering commitment to quality offers you absolute confidence in superior performance.

Discover our exceptional customer service, beginning with our pre-sales team providing expert guidance to select the ideal air equipment for diverse facilities. We offer extensive customization options, including design and configuration changes, delivering bespoke solutions to meet specific dealer needs through our OEM services. Our professional sales and support team is always available to provide swift and effective post-sales assistance, guaranteeing that your requirements are met promptly and accurately. Experience unrivaled customer care with Sanzhi.

At Sanzhi (ZheJiang ) Compressor Co., Ltd, we are dedicated to delivering products that epitomize superiority, reliability, and stability. Committed to fostering lasting partnerships with our clients, we ensure timely delivery, world-class machinery, and competitive pricing. Our mission is to offer the ideal compressed air solution tailored to your needs, delivering unparalleled value, performance, and satisfaction.

Nestled in the scenic beauty of HangZhou City, ZheJiang Province, China, our factory boasts a prime location just 30 kilometers from HangZhou International Airport, ensuring seamless accessibility within about an hour’s drive. We warmly welcome you to visit our facility and witness our exceptional offerings firsthand! Come and explore the unique Sanzhi experience in person.

FAQ
Q1. Are you a trading company or manufacturer?
A: We are a prominent manufacturer specializing in screw air compressors, with over a decade of profound industry expertise. Our extensive experience distinctly sets us apart in the market, highlighting our exceptional capabilities.

Q2. How do you control quality?
A: 1. We conduct comprehensive inspections of our raw materials to ensure superior quality before production begins.
2. Our installation process is meticulously monitored at every phase to ensure precision and accuracy.
3. Each machine undergoes a minimum of 5 continuous hours of rigorous testing prior to dispatch, guaranteeing CHINAMFG performance and reliability.

Q3. What information must I provide to get the suitable machine?
1. Your required air delivery capacity (Unit: CFM or m³/Min).
2. The desired working pressure (Unit: PSI, Bar or Mpa).
3. The voltage and frequency specifications of your country of residence (V/Hz).
4. Any additional accessories needed, such as an air tank, filters, or air dryers.
Provide us with this information, and we will craft a flawlessly tailored solution uniquely for you! Our expertise guarantees that we meet your exact needs with precision and excellence.

Q4. What is the general unit conversion?
1Bar = 0.1Mpa = 14.5PSI
1m³/min = 35.32 cfm. This precise conversion highlights the extraordinary capacity of our compressors, enabling them to meet the vast needs of industrial usage with unmatched performance and supreme efficiency.
1KW = 1.34 HP. This power conversion underlines the outstanding capability of our compressors, delivering substantial output to ensure stable and trustworthy operation, even in the most challenging environments.

Q5. What is the available voltage air compressor?
A: Sanzhi (ZheJiang ) Compressor Co., Ltd. provides an extensive array of voltage options, expertly accommodating global standards. Select from 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our commitment is to deliver highly customized solutions that fulfill your specific electrical requirements, ensuring superior compatibility and premium performance.

Q6. How long is the delivery time?
A: For standard voltage units, our efficient processes ensure shipment within an impressive 15 working days post order confirmation. For non-standard voltage needs, contact our devoted sales team for a detailed delivery schedule tailored precisely to your specifications.

Q7. What’s the payment term?
A: Our payment terms are designed for your convenience: 30% T/T in advance, 40% T/T before shipment, and the remaining 30% T/T CHINAMFG receiving the B/L copy. We accept payments in both USD and RMB, offering flexibility and ease for smooth transactions.

Q8. How about your warranty?
A: Sanzhi offers a comprehensive warranty that delivers peace of mind: 1 year for the entire machine and 2 years for the screw air compressor, with consumable spare parts excluded. This commitment emphasizes our dedication to quality and durability.

Q9. What about the maintenance?
A: Initial maintenance is vital and should be performed after 500 operating hours. Subsequent maintenance is recommended between 2000-3000 hour intervals, adjusted to your specific working environment, ensuring optimal performance and longevity.

Q10. Can machines be run in high-temperature environment?
A: Absolutely! Our machines are engineered to deliver exceptional performance even in extreme temperatures. They reliably maintain efficient operation across a wide range of -20° to 45° (-4ºF to 113ºF), guaranteeing durability and dependability under the harshest conditions.

Q11. Do you offer OEM service?
A: Yes, we excel in providing both OEM and ODM services. Our expert design team is proficient in bringing your custom orders to life, crafting tailor-made solutions that perfectly align with your specifications, enhancing brand identity and product differentiation.

Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for exceptional longevity, offering an impressive lifespan that typically exceeds 10 years of dependable and efficient service, ensuring sustained productivity and value.

Q13. Will you provide some spare parts for the machines?
A: Absolutely, we provide a comprehensive selection of superior-quality spare parts designed to ensure your machines continue to operate seamlessly and maintain CHINAMFG performance, maximizing uptime and operational efficiency over the long term.

Q14. How about your after-sales service?
A: We offer exceptional after-sales support, providing detailed online guidance for installation and commissioning. If needed, we can arrange for expert engineers to deliver hands-on training and comprehensive installation assistance, ensuring seamless integration and optimal operation.

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air compressor

What are the differences between stationary and portable air compressors?

Stationary and portable air compressors are two common types of air compressors with distinct features and applications. Here are the key differences between them:

1. Mobility:

The primary difference between stationary and portable air compressors is their mobility. Stationary air compressors are designed to be permanently installed in a fixed location, such as a workshop or a factory. They are typically larger, heavier, and not easily movable. On the other hand, portable air compressors are smaller, lighter, and equipped with handles or wheels for easy transportation. They can be moved from one location to another, making them suitable for jobsites, construction sites, and other mobile applications.

2. Power Source:

Another difference lies in the power source used by stationary and portable air compressors. Stationary compressors are usually powered by electricity, as they are designed for continuous operation in a fixed location with access to power outlets. They are connected to the electrical grid or have dedicated wiring. In contrast, portable compressors are available in various power options, including electric, gasoline, and diesel engines. This versatility allows them to operate in remote areas or sites without readily available electricity.

3. Tank Capacity:

Tank capacity is also a distinguishing factor between stationary and portable air compressors. Stationary compressors often have larger storage tanks to store compressed air for extended periods. The larger tanks enable them to deliver a continuous and steady supply of compressed air for longer durations without the need for frequent cycling. Portable compressors, due to their compact size and portability, generally have smaller tank capacities, which may be sufficient for intermittent or smaller-scale applications.

4. Performance and Output:

The performance and output capabilities of stationary and portable air compressors can vary. Stationary compressors are typically designed for high-volume applications that require a consistent and continuous supply of compressed air. They often have higher horsepower ratings, larger motor sizes, and higher air delivery capacities. Portable compressors, while generally offering lower horsepower and air delivery compared to their stationary counterparts, are still capable of delivering sufficient air for a range of applications, including pneumatic tools, inflation tasks, and light-duty air-powered equipment.

5. Noise Level:

Noise level is an important consideration when comparing stationary and portable air compressors. Stationary compressors, being larger and built for industrial or commercial settings, are often equipped with noise-reducing features such as sound insulation and vibration dampening. They are designed to operate at lower noise levels, which is crucial for maintaining a comfortable working environment. Portable compressors, while efforts are made to reduce noise, may produce higher noise levels due to their compact size and portability.

6. Price and Cost:

Stationary and portable air compressors also differ in terms of price and cost. Stationary compressors are generally more expensive due to their larger size, higher power output, and industrial-grade construction. They often require professional installation and may involve additional costs such as electrical wiring and system setup. Portable compressors, being smaller and more versatile, tend to have a lower upfront cost. They are suitable for individual users, contractors, and small businesses with budget constraints or flexible air supply needs.

When selecting between stationary and portable air compressors, it is essential to consider the specific requirements of the intended application, such as mobility, power source availability, air demands, and noise considerations. Understanding these differences will help in choosing the appropriate type of air compressor for the intended use.

air compressor

How do you choose the right air compressor for woodworking?

Choosing the right air compressor for woodworking is essential to ensure efficient and effective operation of pneumatic tools and equipment. Here are some factors to consider when selecting an air compressor for woodworking:

1. Required Air Volume (CFM):

Determine the required air volume or cubic feet per minute (CFM) for your woodworking tools and equipment. Different tools have varying CFM requirements, so it is crucial to choose an air compressor that can deliver the required CFM to power your tools effectively. Make sure to consider the highest CFM requirement among the tools you’ll be using simultaneously.

2. Tank Size:

Consider the tank size of the air compressor. A larger tank allows for more stored air, which can be beneficial when using tools that require short bursts of high air volume. It helps maintain a consistent air supply and reduces the frequency of the compressor cycling on and off. However, if you have tools with continuous high CFM demands, a larger tank may not be as critical.

3. Maximum Pressure (PSI):

Check the maximum pressure (PSI) rating of the air compressor. Woodworking tools typically operate within a specific PSI range, so ensure that the compressor can provide the required pressure. It is advisable to choose an air compressor with a higher maximum PSI rating to accommodate any future tool upgrades or changes in your woodworking needs.

4. Noise Level:

Consider the noise level of the air compressor, especially if you’ll be using it in a residential or shared workspace. Some air compressors have noise-reducing features or are designed to operate quietly, making them more suitable for woodworking environments where noise control is important.

5. Portability:

Assess the portability requirements of your woodworking projects. If you need to move the air compressor frequently or work in different locations, a portable and lightweight compressor may be preferable. However, if the compressor will remain stationary in a workshop, a larger, stationary model might be more suitable.

6. Power Source:

Determine the power source available in your woodworking workspace. Air compressors can be powered by electricity or gasoline engines. If electricity is readily available, an electric compressor may be more convenient and cost-effective. Gasoline-powered compressors offer greater flexibility for remote or outdoor woodworking projects where electricity may not be accessible.

7. Quality and Reliability:

Choose an air compressor from a reputable manufacturer known for producing reliable and high-quality equipment. Read customer reviews and consider the warranty and after-sales support offered by the manufacturer to ensure long-term satisfaction and reliability.

8. Budget:

Consider your budget and balance it with the features and specifications required for your woodworking needs. While it’s important to invest in a reliable and suitable air compressor, there are options available at various price points to accommodate different budgets.

By considering these factors and evaluating your specific woodworking requirements, you can choose an air compressor that meets the demands of your tools, provides efficient performance, and enhances your woodworking experience.

air compressor

How is air pressure measured in air compressors?

Air pressure in air compressors is typically measured using one of two common units: pounds per square inch (PSI) or bar. Here’s a brief explanation of how air pressure is measured in air compressors:

1. Pounds per Square Inch (PSI): PSI is the most widely used unit of pressure measurement in air compressors, especially in North America. It represents the force exerted by one pound of force over an area of one square inch. Air pressure gauges on air compressors often display pressure readings in PSI, allowing users to monitor and adjust the pressure accordingly.

2. Bar: Bar is another unit of pressure commonly used in air compressors, particularly in Europe and many other parts of the world. It is a metric unit of pressure equal to 100,000 pascals (Pa). Air compressors may have pressure gauges that display readings in bar, providing an alternative measurement option for users in those regions.

To measure air pressure in an air compressor, a pressure gauge is typically installed on the compressor’s outlet or receiver tank. The gauge is designed to measure the force exerted by the compressed air and display the reading in the specified unit, such as PSI or bar.

It’s important to note that the air pressure indicated on the gauge represents the pressure at a specific point in the air compressor system, typically at the outlet or tank. The actual pressure experienced at the point of use may vary due to factors such as pressure drop in the air lines or restrictions caused by fittings and tools.

When using an air compressor, it is essential to set the pressure to the appropriate level required for the specific application. Different tools and equipment have different pressure requirements, and exceeding the recommended pressure can lead to damage or unsafe operation. Most air compressors allow users to adjust the pressure output using a pressure regulator or similar control mechanism.

Regular monitoring of the air pressure in an air compressor is crucial to ensure optimal performance, efficiency, and safe operation. By understanding the units of measurement and using pressure gauges appropriately, users can maintain the desired air pressure levels in their air compressor systems.

air compressors
editor by lmc 2025-02-24

China Best Sales Best Price Stars Ksdy16.5-12 Electronic Engine Mine Air Compressor air compressor repair near me

Product Description

Product Introduction
KSDY16.5-12

Specifications

1. Our single-stage rotary screw airend and rotor is large which allows for bigger bearings, 30%~50% slower rotor speeds results in less power consumption or noise or maintenance cost.

2. One piece bearing housing ensures both rotors are held by the bearings in proper alignment during transient periods such as machine startups/shutdowns or load changes.

3. All of our air compressors have the latest inlet valve, airend air discharge port and oil inlet port design.

4. Lower sound emission level than most of our competitors results in less sound pollution.

5. The axial and rotational loading are supported by different bearings for better stiffness and less transition noise.

6. Simple package design requires only minimum maintenance for optimum performance. Continuous cooling and circulation of lubrication oil, ensures long airend operation life.

Product Features

1> More beautiful apprance, superior anti-corrosion performance

2> Exhaust pipe is set in the trail position, more environmental-friendly

3> Part position and road system structure is more reasonable

4> Import solenoid valve (advance configuration)

5> Imported oil filter and customized oil and gas separator filter (Germany Mann)

6> Higher Configuration of pipeline connection details parts

Product Parameters

Detailed Photos

Air volume automatic control system
According to the operating pressure, the air volume adjustment device automatically and steplessly adjusts the air compressor suction volume and the diesel engine speed. Fully match the air supply and consumption, so as to achieve the best results with the lowest fuel consumption.

Low noise operation
Quiet cover design, low operating noise, and the machine design are more environmentally friendly.

SKY patented line, high energy saving
The special rotor tooth profile provides excellent performance for each type of handpiece; innovative design, optimized structure, and high-reliability performance.

Open design, easy maintenanca
The spacious opening doors and windows make it very convenient to maintain the air filter, oil filter, and oil separator core. The parts to be repaired are all within reach, reducing downtime and maintenance time.

Why Choose Us

In 2009, CHINAMFG established Jersey North American Research Center in Seattle in the United States, attracting many top-notch compressor experts from around the world and creating a new model that is aptly described as “developed in America, Made in China”

Kaishan is headquartered in HangZhou in ZHangZhoug, China. It has subsidiaries in ZheJiang , Chgonqing, ZheJiang , ZheJiang , Hong Kong, Seattle, San Diego, Orlando, Melbourne, Singapore, Jakarta, Leobersdorf, Budapest and Belgrade, as well as offices in Russia, Colombia, Brazil, Korea, Malaysia and Thailand.
Product quality is strictly controlled

Packaging and Shipping

The air compressor is guaranteed for 1 year. In addition to wearing parts and consumables, if the spare parts within the warranty period are broken, the company provides free spare parts replacement, but the buyer needs to pay the freight. Please ask customer service for specific warranty rules.

FAQ

Q1: Are you a factory or trade company?
A1: We are a factory. And we have ourselves trading company.

Q2: What is the exact address of your factory?
A2: Our company is located in JNo.9 Kaixuan Ave West, Economic Zone HangZhou, ZHangZhoug, China

Q3: Warranty terms of your machine?
A3: One-year warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts for the machines?
A4: Yes, of course.

Q5: What about the voltage of products? Can they be customized?
A5: Yes, of course. The voltage can be customized according to your requirements.

Q6: Which payment term can you accept?
A6: 30% T/T in advanced, 70% T/T against the B/L copy.

Q7: How long will you take to arrange production?
A7: 380V 50HZ we can deliver the goods within 7-15 days. Other electricity or another color we will delivery within 25-30 days.

Q8: Can you accept OEM orders?
A8: Yes, with a professional design team, OEM orders are highly welcome.

Q9: Which trade term can you accept?
A9: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.

Contacts

ZHangZhoug Stars Energy Saving Technology Co., Ltd.

If you want to know more information, please contact us! /* October 22, 2571 15:47:17 */(()=>{function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

air compressor

What role do air dryers play in compressed air systems?

Air dryers play a crucial role in compressed air systems by removing moisture and contaminants from the compressed air. Compressed air, when generated, contains water vapor from the ambient air, which can condense and cause issues in the system and end-use applications. Here’s an overview of the role air dryers play in compressed air systems:

1. Moisture Removal:

Air dryers are primarily responsible for removing moisture from the compressed air. Moisture in compressed air can lead to problems such as corrosion in the system, damage to pneumatic tools and equipment, and compromised product quality in manufacturing processes. Air dryers utilize various techniques, such as refrigeration, adsorption, or membrane separation, to reduce the dew point of the compressed air and eliminate moisture.

2. Contaminant Removal:

In addition to moisture, compressed air can also contain contaminants like oil, dirt, and particles. Air dryers help in removing these contaminants to ensure clean and high-quality compressed air. Depending on the type of air dryer, additional filtration mechanisms may be incorporated to enhance the removal of oil, particulates, and other impurities from the compressed air stream.

3. Protection of Equipment and Processes:

By removing moisture and contaminants, air dryers help protect the downstream equipment and processes that rely on compressed air. Moisture and contaminants can negatively impact the performance, reliability, and lifespan of pneumatic tools, machinery, and instrumentation. Air dryers ensure that the compressed air supplied to these components is clean, dry, and free from harmful substances, minimizing the risk of damage and operational issues.

4. Improved Productivity and Efficiency:

Utilizing air dryers in compressed air systems can lead to improved productivity and efficiency. Dry and clean compressed air reduces the likelihood of equipment failures, downtime, and maintenance requirements. It also prevents issues such as clogging of air lines, malfunctioning of pneumatic components, and inconsistent performance of processes. By maintaining the quality of compressed air, air dryers contribute to uninterrupted operations, optimized productivity, and cost savings.

5. Compliance with Standards and Specifications:

Many industries and applications have specific standards and specifications for the quality of compressed air. Air dryers play a vital role in meeting these requirements by ensuring that the compressed air meets the desired quality standards. This is particularly important in industries such as food and beverage, pharmaceuticals, electronics, and automotive, where clean and dry compressed air is essential for product integrity, safety, and regulatory compliance.

By incorporating air dryers into compressed air systems, users can effectively control moisture and contaminants, protect equipment and processes, enhance productivity, and meet the necessary quality standards for their specific applications.

air compressor

What is the energy efficiency of modern air compressors?

The energy efficiency of modern air compressors has significantly improved due to advancements in technology and design. Here’s an in-depth look at the energy efficiency features and factors that contribute to the efficiency of modern air compressors:

Variable Speed Drive (VSD) Technology:

Many modern air compressors utilize Variable Speed Drive (VSD) technology, also known as Variable Frequency Drive (VFD). This technology allows the compressor motor to adjust its speed according to the compressed air demand. By matching the motor speed to the required airflow, VSD compressors can avoid excessive energy consumption during periods of low demand, resulting in significant energy savings compared to fixed-speed compressors.

Air Leakage Reduction:

Air leakage is a common issue in compressed air systems and can lead to substantial energy waste. Modern air compressors often feature improved sealing and advanced control systems to minimize air leaks. By reducing air leakage, the compressor can maintain optimal pressure levels more efficiently, resulting in energy savings.

Efficient Motor Design:

The motor of an air compressor plays a crucial role in its energy efficiency. Modern compressors incorporate high-efficiency electric motors that meet or exceed established energy efficiency standards. These motors are designed to minimize energy losses and operate more efficiently, reducing overall power consumption.

Optimized Control Systems:

Advanced control systems are integrated into modern air compressors to optimize their performance and energy consumption. These control systems monitor various parameters, such as air pressure, temperature, and airflow, and adjust compressor operation accordingly. By precisely controlling the compressor’s output to match the demand, these systems ensure efficient and energy-saving operation.

Air Storage and Distribution:

Efficient air storage and distribution systems are essential for minimizing energy losses in compressed air systems. Modern air compressors often include properly sized and insulated air storage tanks and well-designed piping systems that reduce pressure drops and minimize heat transfer. These measures help to maintain a consistent and efficient supply of compressed air throughout the system, reducing energy waste.

Energy Management and Monitoring:

Some modern air compressors feature energy management and monitoring systems that provide real-time data on energy consumption and performance. These systems allow operators to identify energy inefficiencies, optimize compressor settings, and implement energy-saving practices.

It’s important to note that the energy efficiency of an air compressor also depends on factors such as the specific model, size, and application. Manufacturers often provide energy efficiency ratings or specifications for their compressors, which can help in comparing different models and selecting the most efficient option for a particular application.

Overall, modern air compressors incorporate various energy-saving technologies and design elements to enhance their efficiency. Investing in an energy-efficient air compressor not only reduces operational costs but also contributes to sustainability efforts by minimizing energy consumption and reducing carbon emissions.

air compressor

In which industries are air compressors widely used?

Air compressors find extensive usage across various industries due to their versatility and ability to generate compressed air. Here are some industries where air compressors are widely employed:

1. Manufacturing: Air compressors are essential in manufacturing processes for powering pneumatic tools and equipment. They are used for tasks such as operating assembly lines, powering robotic machinery, running paint sprayers, and driving pneumatic actuators.

2. Construction: Air compressors play a crucial role in the construction industry. They power pneumatic tools like jackhammers, nail guns, impact wrenches, and concrete breakers. Compressed air is also used for concrete spraying, sandblasting, and operating air-powered lifts and hoists.

3. Automotive: Air compressors are widely used in automotive manufacturing and repair. They power air tools used in auto body shops, tire inflation equipment, pneumatic lifts, and air-operated brake systems. Compressed air is also utilized in vehicle painting and drying processes.

4. Oil and Gas: The oil and gas industry extensively relies on air compressors for various applications. They are used for pneumatic drilling, powering pneumatic tools in refineries and petrochemical plants, operating pneumatic valves and actuators, and providing instrument air for control systems.

5. Food and Beverage: Air compressors are employed in the food and beverage industry for tasks such as packaging, bottling, and sealing. They power pneumatic conveying systems, control air pressure in food processing equipment, and provide clean compressed air for food handling and storage.

6. Pharmaceutical and Healthcare: Air compressors find application in pharmaceutical manufacturing and healthcare facilities. They are used for operating medical equipment, such as ventilators and dental tools. Compressed air is also utilized in pharmaceutical processes, including tablet coating, fluid bed drying, and aseptic packaging.

7. Aerospace: The aerospace industry relies on air compressors for various applications, including aircraft maintenance and assembly. They power pneumatic tools for aircraft repair, provide compressed air for cleaning and pressurizing systems, and support ground operations, such as tire inflation and aircraft de-icing.

8. Mining: Air compressors are extensively used in the mining industry. They power pneumatic tools for drilling, rock blasting, and excavation. Compressed air is also utilized for ventilation, conveying materials, and operating underground equipment.

9. Energy and Utilities: Air compressors play a vital role in the energy and utilities sector. They are used in power generation plants for pneumatic control systems, instrument air, and operating pneumatic valves. Compressed air is also employed for cleaning and maintenance purposes.

These are just a few examples of the industries where air compressors are widely utilized. The versatility and reliability of air compressors make them indispensable in numerous applications across diverse sectors.

air compressors
editor by lmc 2025-02-24

China best Industrial CHINAMFG Rotary Dry Oil Free Air Compressor Rdo-55A/W portable air compressor

Product Description

Industrial CHINAMFG Rotary Dry Oil Free Air Compressor RDO-55A/W

1.Industry-leading air end, imported brand, quality assurance.
2. IE4 motor, save your electricity cost, IP54, B-level temperature rise is suitable for harsh environments such as large dust and high temperature;
3.Multiple noise reduction design, calculated according to noise theory, with special flame retardant muffler cotton inside, to reduce the noise of the unit and provide a quieter environment for use.
4.Independent air inlet, reduce intake resistance, multi-function intake valve group, start without load, motor load is small. Use high-efficiency filters to effectively filter particulates in the air;
5.Centrifugal fan with plate-fin cooler has high wind pressure, low noise, external independent suction, exhaust air upward through a specially designed air duct to prevent hot air from returning; cooler modular design, vertical installation, effectively eliminate thermal stress , More stable operation and long service life;
6.Optimized shock absorption pad to reduce vibration and noise.

Dry Oil-free Screw Air Compressor RDO Series
Model	Air Delivery (m3/min)			Power (kW)	Noise dB(A)	Outlet diameter	Dimension (mm)		Weight (Kg)
Model	7bar	8bar	10bar	Power (kW)	Noise dB(A)	Outlet diameter	Air-cooled	Water-cooled	Air-cooled	Water-cooled
RDO-45A/W	4.5-7.8	4.0-6.8	3.7-6.4	45	69±3	DN50	220014002000	220015001720	2650	2700
RDO-55A/W	5.7-9.8	5.2-9.0	4.4-7.8	55	69±3	DN50	220014002000	220015001720	2850	2900
RDO-75A/W	7.6-13.0	7.2-12.2	6.6-11.2	75	70±3	DN50	220014002000	220015001720	2950	2900
RDO-90A/W	9.6-16.0	8.1-13.8	7.6-13.1	90	71±3	DN50	220014002000	220015001720	3000	2950
RDO-110A/W	12.1-20.6	11.6-19.5	11.1-18.8	110	71±3	DN65	300019902180	280019001990	3500	3550
RDO-132A/W	14.7-24.8	13.6-23.0	11.5-19.5	132	73±3	DN65	300019902180	280019001990	3550	3600
RDO-160A/W	16.9-28.5	15.6-26.3	14.1-23.8	160	73±3	DN65	300019902180	280019001990	3650	3750
RDO-185A/W	19.5-32.8	17.1-28.9	16.3-27.5	185	74±3	DN65	300019902180	280019001990	4100	4200
RDO-200A/W	21.8-36.8	20.4-34.6	18.1-30.6	200	74±3	DN100	450020002100	310021002065	5100	4500
RDO-220A/W	24.9-41.5	22.4-37.3	19.8-33.0	220	74±3	DN100	450020002100	310021002065	5600	5000
RDO-250A/W	27.3-46.0	25.3-42.8	22.7-38.2	250	74±3	DN100	450020002100	310021002065	5700	5200
RDO-280A/W	31.6-48.6	30.9-47.5	29.3-45.0	280	76±3	DN100	450020002100	310021002065	5800	5300
RDO-315A/W	34.1-52.5	32.9-50.6	31.5-48.5	315	77±3	DN100	450020002100	310021002065	6000	5400

Noted: DRO-W, DRO means this model is Dry Oi-Free air compressor,With “W” It represents Water Cooled,
Without “W’, It represents AirCooled.

Customer visit

Successful cases

Packaging & Shipping

1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)

Company Profile

ZheJiang CHINAMFG Machinery Co., Ltd. was established in 2003 and has 18 years of experience in the air compressor industry. It is an innovative enterprise integrating production, trade, service, research and development.

We are professional gas compressors manufacturer since 2003, Germany standard, more than 100 workers, annual sales exceeding 20 million US dollars with 13 years of exporting experience, strict quality control and delivery on time. We not only supply gas compressor including screw air compressor, but also supply spares parts and after-treat machines.

Our main products series as follows.

1.Oil-injection Screw air compressor
2. Dry Oil-free Screw air compressor
3. Oil-free water lubricated screw air compressor
4. Oil-free scroll air compressor
5. Oil-free/Oil-lubricated piston compressor
6. Mobile Screw air compressor( Motor driven/ Diesel engine driven)
7. Oxygen/Nitrogen generators/boosters
8. High Pressure Breathing Air Compressor
9. Refrigerant air dryer/ Desiccant air dryer
10. Precision line filter/ water separator

Rocky will continue to promote technological innovation and progress in line with the mission of “innovation reflects value”, and achieve CHINAMFG results with global partners, suppliers and employees. Create a new world of “energy saving, envir-onmental protection and intelligence” in the field of air compressors.

Certifications

Payment and delivery

FAQ

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.

Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.

Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.

Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.

Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.

Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.

Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.

Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Some key parts are imported from overseas
3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.

Q10.How long could your air compressor be used?
A: Generally, more than 10 years.

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air compressor

What is the impact of humidity on compressed air quality?

Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:

1. Corrosion:

High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.

2. Contaminant Carryover:

Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.

3. Decreased Efficiency of Pneumatic Systems:

Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.

4. Product Contamination:

In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.

5. Increased Maintenance Requirements:

Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.

6. Adverse Effects on Instrumentation:

Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.

To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.

air compressor

What is the role of air compressors in manufacturing and industrial processes?

Air compressors play a crucial role in various manufacturing and industrial processes, providing a reliable source of compressed air that powers a wide range of equipment and tools. Here are some key roles of air compressors in manufacturing and industrial settings:

1. Pneumatic Tools and Equipment:

Air compressors power a wide range of pneumatic tools and equipment used in manufacturing processes. These tools include impact wrenches, air drills, sanders, grinders, nail guns, and spray guns. Compressed air provides the necessary force and energy for these tools, enabling efficient and precise operations.

2. Automation and Control Systems:

Compressed air is used in automation and control systems within manufacturing facilities. Pneumatic actuators and valves use compressed air to control the movement of machinery and components. These systems are widely used in assembly lines, packaging operations, and material handling processes.

3. Air Blowing and Cleaning:

Compressed air is employed for blowing and cleaning applications in manufacturing and industrial processes. Air blowguns and air nozzles are used to remove debris, dust, and contaminants from surfaces, machinery, and products. Compressed air is also used for drying, cooling, and purging operations.

4. Air Separation and Gas Generation:

Air compressors are used in air separation plants to generate industrial gases such as nitrogen, oxygen, and argon. These gases are essential for various industrial processes, including metal fabrication, chemical production, and food packaging.

5. HVAC Systems:

Compressed air is utilized in heating, ventilation, and air conditioning (HVAC) systems. It powers pneumatic actuators for damper control, pneumatic controls for pressure regulation, and pneumatic valves for flow control in HVAC applications.

6. Air Compression for Storage and Transport:

Compressed air is used for storage and transport purposes in manufacturing and industrial settings. It is often used to pressurize storage tanks or containers that hold gases or liquids. Compressed air also facilitates the transfer of materials through pipelines and pneumatic conveying systems.

7. Process Instrumentation:

Compressed air is utilized in process instrumentation and control systems. It powers pneumatic instruments such as pressure gauges, flow meters, and control valves. These instruments play a critical role in monitoring and regulating various parameters in industrial processes.

8. Material Handling and Pneumatic Conveying:

In manufacturing and industrial facilities, compressed air is used for material handling and pneumatic conveying systems. It enables the movement of bulk materials such as powders, granules, and pellets through pipelines, facilitating efficient and controlled material transfer.

Overall, air compressors are vital components in manufacturing and industrial processes, providing a versatile and efficient source of power for a wide range of applications. The specific role of air compressors may vary depending on the industry, process requirements, and operational needs.

air compressor

Are there portable air compressors available for home use?

Yes, there are portable air compressors specifically designed for home use. These portable models offer convenience, versatility, and ease of use for various tasks around the house. Here are some key points about portable air compressors for home use:

1. Compact and Lightweight: Portable air compressors are typically compact and lightweight, making them easy to transport and store. They are designed with portability in mind, allowing homeowners to move them around the house or take them to different locations as needed.

2. Electric-Powered: Most portable air compressors for home use are electric-powered. They can be plugged into a standard household electrical outlet, eliminating the need for gasoline or other fuel sources. This makes them suitable for indoor use without concerns about emissions or ventilation.

3. Versatile Applications: Portable air compressors can be used for a wide range of home applications. They are commonly used for inflating tires, sports equipment, and inflatable toys. They are also handy for operating pneumatic tools such as nail guns, staplers, and paint sprayers. Additionally, portable air compressors can be used for cleaning tasks, powering airbrushes, and other light-duty tasks around the house.

4. Pressure and Capacity: Portable air compressors for home use typically have lower pressure and capacity ratings compared to larger industrial or commercial models. They are designed to meet the needs of common household tasks rather than heavy-duty applications. The pressure and capacity of these compressors are usually sufficient for most home users.

5. Oil-Free Operation: Many portable air compressors for home use feature oil-free operation. This means they do not require regular oil changes or maintenance, making them more user-friendly and hassle-free for homeowners.

6. Noise Level: Portable air compressors designed for home use often prioritize low noise levels. They are engineered to operate quietly, reducing noise disturbances in residential environments.

7. Cost: Portable air compressors for home use are generally more affordable compared to larger, industrial-grade compressors. They offer a cost-effective solution for homeowners who require occasional or light-duty compressed air applications.

When considering a portable air compressor for home use, it’s important to assess your specific needs and tasks. Determine the required pressure, capacity, and features that align with your intended applications. Additionally, consider factors such as portability, noise level, and budget to choose a suitable model that meets your requirements.

Overall, portable air compressors provide a practical and accessible compressed air solution for homeowners, allowing them to tackle a variety of tasks efficiently and conveniently within a home setting.

air compressors
editor by lmc 2025-02-24

China wholesaler (SCR100G Series) Hot Sale Ghh Oil-Free Airend Ultracoat TM Super Coating Dry Type Oil Free Silent Screw Air Compressor arb air compressor

Product Description

If you are interested in any of ourFAQ

1 What trade terms do we provide? What kind of settlement currency do we offer?

Trade term :CIF ,CFR ,FOB,Ex-Works
As far Our business traded in Dollars ,Euros and RMB .

2 How long is our delivery?

Our standard delivery time is 30-40 days after confirmation order & receiving recipets for standard compressors, for the other non standard requirement will be discussed case by case.

3 What is the voltage of the compressor?

The available voltage include 380V/50HZ/3Phase, 400V/50HZ/3P, 415V/50HZ/3P, 220V/60HZ/3P, 380V/60HZ/3P, 440V/60HZ/3P. At the same time we provide other voltage according to customer requirement.

4 Can our compressor run in high temperature environment? What is the working temperature range for our machine?

Yes ,our machine would run in high temperature environment ,until now our products have been sold to many countries which would meet high temperature in summer ,such like Iraq, Saudi Arabia, Egypt, Algeria, etc.
Work temperature range :1-45 ºC(33.8ºF-113ºF)

5 What’s the min. Order requirement ?

Min. Order requirement is 1PCS.

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air compressor

Are There Specific Water Treatment Requirements for Water-Lubricated Compressors?

Water-lubricated compressors often have specific water treatment requirements to ensure optimal performance, prevent equipment damage, and maintain the desired water quality. Here’s a detailed explanation of the water treatment considerations for water-lubricated compressors:

Water Quality:

Purity: The water used for lubrication should be clean and free from impurities, contaminants, or excessive minerals. Impurities in the water can lead to corrosion, blockages, and reduced lubrication effectiveness. Water sources should be evaluated to ensure they meet the required purity standards.
Chemical Composition: The chemical composition of the water should be within acceptable limits to avoid any adverse reactions with compressor components or lubricants. Certain water characteristics, such as pH, alkalinity, hardness, and conductivity, need to be monitored and controlled to prevent issues like scaling, fouling, or chemical reactions.

Water Treatment Methods:

Filtration: Filtration systems are commonly used to remove particulate matter, sediment, or debris from the water. Filters can range from simple strainers to more advanced filtration systems, depending on the specific water quality requirements and the level of filtration needed.
Water Softening: If the water has high levels of hardness minerals, such as calcium and magnesium, water softening methods may be necessary. Water softeners use ion exchange or other processes to remove the hardness minerals, which can help prevent scaling and reduce the risk of deposits in the compressor system.
Reverse Osmosis (RO): Reverse osmosis is a water treatment method that uses a semi-permeable membrane to remove dissolved solids, ions, and impurities from the water. RO systems can effectively reduce the total dissolved solids (TDS) and improve the overall water quality, making it suitable for water-lubricated compressors.
Chemical Treatment: In some cases, chemical treatments may be required to control water chemistry parameters, such as pH or alkalinity. Chemical additives can be used to adjust or stabilize water chemistry within the desired range, preventing corrosion, scaling, or other issues.

Water treatment requirements for water-lubricated compressors can vary depending on factors such as the compressor design, operating conditions, water source quality, and specific application requirements. It is essential to consult the compressor manufacturer’s recommendations and guidelines regarding water treatment. The manufacturer’s guidelines will provide specific information on water quality limits, treatment methods, and any required maintenance procedures related to water treatment.

Regular monitoring of water quality, including periodic testing and analysis, is recommended to ensure that the water treatment measures are effective and the desired water quality is maintained. Water treatment systems should be properly maintained and periodically serviced to ensure their optimal performance and prevent any potential issues that could affect the operation and longevity of water-lubricated compressors.

air compressor

How Does Water-Lubrication Affect the Lifespan of Air Compressor Components?

Water-lubrication can have both positive and negative effects on the lifespan of air compressor components. Here’s a detailed explanation of how water-lubrication can impact the lifespan of air compressor components:

Positive Effects:

Lubrication: Water-lubrication provides effective lubrication to the moving parts of the air compressor, reducing friction and wear. Proper lubrication helps minimize the stress on components such as pistons, cylinders, and bearings, which can contribute to extended component lifespan.
Cooling: Water-lubricated systems offer efficient cooling properties. The circulation of water through water jackets or cooling channels helps dissipate heat generated during compression. Effective cooling can prevent excessive temperature rise, reducing the risk of thermal damage and prolonging the lifespan of compressor components.
Contaminant Control: Water-lubrication can aid in controlling contaminants within the compressor system. Water acts as a medium to trap and remove particulate matter or debris generated during compressor operation. This helps protect components from potential damage and contributes to their longevity.

Negative Effects:

Corrosion: Water-lubrication introduces moisture into the compressor system, which can increase the risk of corrosion. Corrosion can degrade the integrity of components, leading to reduced lifespan and potential failures. Proper corrosion prevention measures, such as using corrosion-resistant materials or implementing water treatment processes, are essential to mitigate this negative effect.
Contamination: Although water-lubrication can help control contaminants, it can also introduce impurities and contaminants if the water supply or treatment is not adequately managed. Contaminants such as sediment, minerals, or microbial growth can negatively impact component lifespan by causing blockages, wear, or chemical degradation. Regular maintenance and proper filtration systems are crucial to minimize contamination-related issues.
System Complexity: Water-lubricated systems can be more complex than oil-lubricated systems, requiring additional components such as water pumps, filters, and separators. The complexity of the system can introduce more points of failure or maintenance requirements, which, if not addressed properly, can affect the overall lifespan of the compressor components.

Proper maintenance, monitoring, and adherence to manufacturer guidelines are essential to maximize the positive effects and mitigate the negative effects of water-lubrication on air compressor components. Regular inspection, cleaning, lubrication, and water treatment can help ensure optimal operation and prolong the lifespan of the compressor components.

air compressor

What Maintenance Is Required for Water-Lubricated Air Compressors?

Maintaining water-lubricated air compressors involves several key maintenance tasks to ensure their optimal performance and longevity. Here are the maintenance requirements typically associated with water-lubricated air compressors:

Regular water quality checks: It is essential to monitor the quality of the water used for lubrication in the compressor. Regular water analysis helps identify any potential contaminants, such as minerals or impurities, that may affect compressor performance or lead to corrosion. If necessary, appropriate water treatment measures should be taken to maintain the desired water quality.
Drain and flush water systems: Periodically draining and flushing the water systems of the compressor helps remove any sediment, debris, or accumulated contaminants. This prevents blockages, maintains water flow, and ensures the cleanliness of the system.
Inspect and clean filters: Filters in the water system, such as intake filters or water separation filters, should be inspected regularly and cleaned or replaced as needed. Clean filters help maintain proper water flow, prevent clogging, and protect internal components from damage or corrosion.
Check for leaks: Regularly inspect the compressor system for any signs of water leaks. Leaks can lead to water loss, reduced lubrication performance, and potential damage to the compressor components. Any identified leaks should be promptly repaired to maintain the integrity of the system.
Monitor and maintain proper water levels: Ensure that the water levels in the compressor are maintained within the recommended range. Low water levels can result in inadequate lubrication and increased friction, while high water levels may lead to excessive moisture in the system. Regularly check and adjust the water levels as necessary.
Inspect and maintain cooling systems: Water-lubricated compressors often utilize water for cooling purposes. Inspect and maintain the cooling systems, such as heat exchangers or radiators, to ensure proper heat dissipation. Clean any accumulated debris or deposits that may impede cooling efficiency.
Follow manufacturer guidelines: It is crucial to follow the manufacturer’s maintenance guidelines and recommendations specific to the water-lubricated air compressor model being used. These guidelines may include additional maintenance tasks or intervals that are necessary for optimal performance and warranty compliance.

Regular and proactive maintenance of water-lubricated air compressors helps ensure their reliable operation, extends their lifespan, and minimizes the risk of performance issues or component failures. It is advisable to consult the compressor’s documentation and seek guidance from the manufacturer or a qualified technician to establish a comprehensive maintenance routine specific to the equipment.

water_lubrication_air_compressor
editor by lmc 2025-02-24

China Standard CHINAMFG factory oil free rotary Screw air compressor with CE and ISO air compressor oil

Product Description

Industrial Silent/Mute Medical Dry Oil Free Oilless Direct Drive Rotary Double Screw Type Air Compressor Advantages

1.Clean air 100% oil-free, class 0 oil free air according to ISO8537-1

2.Adopt GHH air end made in Germany

3.Technology patent used in oil free compressed air system

4.Significant energy saving, environmental-friendly and pollution-free

5.Low operation and maintenance cost

6.Powerful MAM microcomputer controller and touch screen

7.Designed especially for medical, pharmacy, instrument, coating, chemical industry and food processing, etc.

DENAIR Dry Type Oil Free Screw Air Compressor In Hannover Messe 2017

DENAIR Class 0 Certification

Comparison between dry oil free compressor and lubricated screw air compressor

Dry Type Oil-free Air Compressor Technical Parameters

Model	Maximum working pressure		Capacity(FAD)*				Installed motor power		Cooling Method	Noise Level**	Dimensions (mm)			Weight	Air Outlet Pipe Diameter
	Maximum working pressure		50 Hz		60 Hz		Installed motor power			Noise Level**	Dimensions (mm)			Weight
	bar(e)	psig	m³/min	cfm	m³/min	cfm	kW	hp		dB(A)	L	W	H	kG
DWW-55	7	102	9.35	330	8.06	285	55	75	Air Cooling W-water Cooling	74	2000	1200	1650	1900	G1-1/2″
	8	116	9.17	324	8.04	284	55	75		74	2000	1200	1650	1900	G1-1/2″
	10	145	8.11	286	7.05	249	55	75		74	2000	1200	1650	1900	G1-1/2″
DWW-55W	7	102	9.35	330	8.06	285	55	75		74	2000	1200	1650	1800	G1-1/2″
	8	116	9.17	324	8.04	284	55	75		74	2000	1200	1650	1800	G1-1/2″
	10	145	8.11	286	7.05	249	55	75		74	2000	1200	1650	1800	G1-1/2″
DWW-75	7	102	12.71	449	11.56	408	75	100		74	2000	1200	1650	2100	DN50
	8	116	11.78	416	11.53	407	75	100		74	2000	1200	1650	2100	DN50
	10	145	11.57	409	10.11	357	75	100		74	2000	1200	1650	2100	DN50
DWW-75W	7	102	12.71	449	11.56	408	75	100		74	2000	1200	1650	2000	DN50
	8	116	11.78	416	11.53	407	75	100		74	2000	1200	1650	2000	DN50
	10	145	11.57	409	10.11	357	75	100		74	2000	1200	1650	2000	DN50
DWW-90	7	102	14.6	515	13.61	480	90	120		76	2800	1800	1860	2800	DN50
	8	116	14.32	506	13.47	476	90	120		76	2800	1800	1860	2800	DN50
	10	145	13.55	478	12.5	441	90	120		76	2800	1800	1860	2800	DN50
DWW-90W	7	102	14.6	515	13.61	480	90	120		76	2800	1800	1860	2180	DN50
	8	116	14.32	506	13.47	476	90	120		76	2800	1800	1860	2180	DN50
	10	145	13.55	478	12.5	441	90	120		76	2800	1800	1860	2180	DN50
DWW-110	7	102	20.27	716	N/A***	N/A***	110	150		78	2800	1800	1860	3200	DN65
	8	116	19.03	672	N/A***	N/A***	110	150		78	2800	1800	1860	3200	DN65
	10	145	16.65	588	15.57	550	110	150		78	2800	1800	1860	3200	DN65
DWW-110W	7	102	20.27	716	N/A***	N/A***	110	150		78	2800	1800	1860	3050	DN65
	8	116	19.03	672	N/A***	N/A***	110	150		78	2800	1800	1860	3050	DN65
	10	145	16.65	588	15.57	550	110	150		78	2800	1800	1860	3050	DN65
DWW-132	7	102	23.94	845	20.09	709	132	175		78	2800	1800	1860	3340	DN65
	8	116	22.47	793	19.87	702	132	175		78	2800	1800	1860	3340	DN65
	10	145	20.19	713	N/A***	N/A***	132	175		78	2800	1800	1860	3340	DN65
DWW-132W	7	102	23.94	845	20.48	723	132	175		78	2800	1800	1860	3170	DN65
	8	116	22.47	793	20.26	715	132	175		78	2800	1800	1860	3170	DN65
	10	145	20.19	713	19.82	700	132	175		78	2800	1800	1860	3170	DN65
DWW-160	7	102	27.26	962	25.47	899	160	215		78	2800	1800	1860	3700	DN65
	8	116	25.86	913	25.17	889	160	215		78	2800	1800	1860	3700	DN65
	10	145	23.87	843	23.18	819	160	215		78	2800	1800	1860	3700	DN65
DWW-160W	7	102	27.26	962	25.47	899	160	215		78	2800	1800	1860	3300	DN65
	8	116	25.86	913	25.17	889	160	215		78	2800	1800	1860	3300	DN65
	10	145	23.87	843	23.8	819	160	215		78	2800	1800	1860	3300	DN65
DWW-185	7	102	30.19	1066	28.88	1571	185	250		78	2800	1800	1860	3900	DN65
	8	116	29.53	1043	28.3	999	185	250		78	2800	1800	1860	3900	DN65
	10	145	27.2	960	27.17	960	185	250		78	2800	1800	1860	3900	DN65
DWW-185W	7	102	30.19	1066	28.88	1571	185	250		78	2800	1800	1860	3460	DN65
	8	116	29.53	1043	28.3	999	185	250		78	2800	1800	1860	3460	DN65
	10	145	27.2	960	27.17	960	185	250		78	2800	1800	1860	3460	DN65
DWW-200W	7	102	36.41	1286	31.14	1100	200	270		78	3100	2150	2200	4300	DN100
	8	116	33.86	1196	30.52	1078	200	270		78	3100	2150	2200	4300	DN100
	10	145	30.35	1071	28.82	1018	200	270		78	3100	2150	2200	4300	DN100
DWW-220W	7	102	38.99	1377	37.54	1325	220	300		78	3100	2150	2200	4500	DN100
	8	116	37.93	1339	36.78	1299	220	300		78	3100	2150	2200	4500	DN100
	10	145	33.79	1193	31.08	1097	220	300		78	3100	2150	2200	4500	DN100
DWW-250W	7	102	47.26	1669	41.53	1466	250	350		78	3100	2150	2200	4550	DN100
	8	116	43.31	1529	40.69	1437	250	350		78	3100	2150	2200	4550	DN100
	10	145	38.88	1373	37.43	1322	250	350		78	3100	2150	2200	4550	DN100
DWW-280W	7	102	51.04	1802	N/A***	N/A***	280	375		80	3400	2400	2200	4800	DN100
	8	116	47.24	1668	N/A***	N/A***	280	375		80	3400	2400	2200	4800	DN100
	10	145	43.26	1528	41.4	1462	280	375		80	3400	2400	2200	4800	DN100
DWW-315W	7	102	52.03	1837	N/A***	N/A***	315	425		80	3400	2400	2200	5000	DN100
	8	116	51.04	1802	N/A***	N/A***	315	425		80	3400	2400	2200	5000	DN100
	10	145	47.18	1666	N/A***	N/A***	315	425		80	3400	2400	2200	5000	DN100

Low Pressure Dry Type Oil-free Air Compressor Technical Parameters

Model	Maximum working pressure		Capacity(FAD)*				Installed motor power		Cooling Method	Noise Level**	Dimensions (mm)			Weight	Air Outlet Pipe Diameter
	Maximum working pressure		50 Hz		60 Hz		Installed motor power			Noise Level**	Dimensions (mm)			Weight
	bar(e)	psig	m³/min	cfm	m³/min	cfm	kW	hp		dB(A)	L	W	H	kG
DWL-55-2	2.5	37	15.33	541	14.4	508	55	75	Air Cooling W-water Cooling	69	2100	1500	1790	2500	DN100
DWL-55-3	3.5	51	12.78	451	10.85	383	55	75		69	2100	1500	1790	2500	DN100
DWL-75-2	2.5	37	19.92	703	19.85	701	75	100		69	2100	1500	1790	2650	DN100
DWL-75-3	3.5	51	16.3	575	15.86	560	75	100		69	2100	1500	1790	2650	DN100
DWL-90-2	2.5	37	26.07	921	26.28	928	90	120		72	2800	1800	1860	2750	DN100
DWL-90-3	3.5	51	19.54	690	18.3	646	90	120		72	2100	1500	1790	2750	DN100
DWL-110(W)-2	2.5	37	33.16	1171	29.82	1053	110	150		72	3100	2150	2200	3500	DN150
DWL-110(W)-3	3.5	51	25.6	904	23.9	884	110	150		72	2800	1800	1860	3000	DN150
DWL-132(W)-2	2.5	37	40.24	1421	36.99	1271	132	175		72	3100	2150	2200	3600	DN150
DWL-132(W)-3	3.5	51	27.23	961	29.43	1039	132	175		72	2800	1800	1860	3100	DN150
DWL-160(W)-2	2.5	37	49.42	1745	45.2	1596	160	215		76	3100	2150	2200	3900	DN150
DWL-160(W)-3	3.5	51	35.75	1262	35.12	1240	160	215		76	3100	2150	2200	3800	DN150
DWL-185(W)-2	2.5	37	56.02	1989	52.71	1861	185	250		79	3400	2400	2200	4100	DN150
DWL-185(W)-3	3.5	51	42.21	1490	40.28	1422	185	250		79	3400	2400	2200	4000	DN150

*) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C
**) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A)
***) TBD-To Be Discussed
****) W-Water cooling

DENAIR Factory

Why Choose DENAIR ?
1.Original Germany AERZEN/DENAIR air end,larger air delivery,lower noise.

2. Oil free screw air compressor Pass CE, ISO9001 Quality Certification

3. One of 3 biggest air compressor manufacturer in China

4. Complete before-on-after sales service

5. Immediate reply or solution by email or call
6.Special oil gas separator with patents

7.High efficiency motor, up to 96%

FAQ

Q1: Are you factory or trade company?
A1: We are factory.

Q2: What the exactly address of your factory?
A2: Our company is located in No. 6767, Tingfeng Rd. Xihu (West Lake) Dis.n District, ZheJiang 201502, China
And our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine?
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.

Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome

/* October 22, 2571 15:47:17 */(()=>{function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

air compressor

What Are the Key Components of a Water-Lubrication System in Compressors?

A water-lubrication system in compressors typically consists of several key components that work together to provide lubrication and cooling to the compressor. Here’s a detailed explanation of the key components of a water-lubrication system in compressors:

Water Supply:

Water Source: The water-lubrication system requires a water source that provides clean and suitable water for lubrication. The water can be sourced from various places such as municipal water supply, well water, or treated water from a dedicated water treatment system.
Water Inlet: The water inlet is the entry point where water enters the compressor’s lubrication system. It may include valves, filters, or other components to regulate and control the water flow.

Lubrication System:

Water Jackets: Water jackets are channels or passages built into the compressor’s housing or cylinder walls. These jackets allow water to circulate and come into direct contact with the compressor’s moving parts, providing lubrication and cooling. The water jackets help dissipate heat generated during compression and prevent excessive temperatures that could damage the compressor.
Water Pump: The water pump is responsible for circulating water through the water jackets and the entire lubrication system. It provides the necessary pressure to ensure adequate water flow and distribution to the compressor’s components.
Flow Control Devices: Flow control devices, such as valves or flow restrictors, are often included in the water-lubrication system to regulate and control the water flow rate. These devices help maintain optimal water pressure and flow throughout the system, ensuring effective lubrication and cooling.
Water Filters: Water filters are used to remove impurities, sediment, or debris from the water before it enters the lubrication system. They help prevent blockages, protect the compressor’s components from damage, and maintain the quality of the water used for lubrication.
Water Separator: A water separator is a component that removes excess water, moisture, or condensate from the compressed air. It ensures that the compressed air leaving the compressor is dry and free from excess water content, preventing potential issues such as corrosion or contamination downstream.

Control and Monitoring:

Temperature Sensors: Temperature sensors are used to monitor the temperature of the water and the compressor components. They provide feedback to the control system, allowing for adjustments in water flow or cooling measures if required to maintain optimal operating conditions.
Pressure Sensors: Pressure sensors are employed to monitor the water pressure within the lubrication system. They help ensure that the water flow and pressure are within the desired range, allowing for proper lubrication and cooling of the compressor.
Control System: A control system, which may include a combination of sensors, valves, and controllers, is responsible for regulating and maintaining the operation of the water-lubrication system. It can monitor various parameters, such as temperature, pressure, and flow, and make adjustments as needed to ensure efficient and safe operation.

Regular maintenance, inspection, and monitoring of the key components of the water-lubrication system are essential to ensure its proper functioning and to prevent any issues that could affect the performance and longevity of the compressor.

air compressor

Are There Any Restrictions on the Type of Water Used in Water-Lubricated Compressors?

When it comes to water-lubricated compressors, there are certain restrictions and considerations regarding the type of water that can be used. Here’s a detailed explanation of the restrictions on the type of water used in water-lubricated compressors:

Water Quality:

Cleanliness: The water used in water-lubricated compressors should be clean and free from excessive impurities or contaminants. Impurities like sediment, minerals, or debris can cause blockages, wear, or damage to the compressor components. It is important to use water that meets the cleanliness requirements specified by the manufacturer.
Chemical Composition: The chemical composition of the water can also be a factor to consider. Water with high mineral content or hardness can lead to scale formation, which can affect the performance and lifespan of the compressor. Water treatment methods, such as water softening or filtration, may be necessary to maintain the desired water quality.

Water Temperature:

Freezing Point: In cold climates, it is important to ensure that the water used in the compressor’s lubrication system does not freeze. Freezing can cause operational issues and damage to the equipment. The water temperature should be maintained above freezing point through insulation, heating, or other suitable methods.
Temperature Range: Water-lubricated compressors may have specific temperature requirements to ensure optimal operation and lubrication. Operating the compressor with water temperatures outside the recommended range can affect its performance and lifespan. It is important to adhere to the manufacturer’s guidelines regarding the acceptable temperature range for the water used.

Water Treatment:

Water Treatment Systems: Depending on the quality of the available water supply, it may be necessary to use water treatment systems to ensure the water meets the required standards. Water treatment systems can help remove impurities, control chemical composition, and maintain the desired water quality for effective lubrication and cooling.
Water Treatment Frequency: Regular maintenance and monitoring of the water treatment systems are essential to ensure their effectiveness. The frequency of water treatment, such as filtration or chemical treatment, may vary depending on the specific conditions and the water quality in the area.

Manufacturer Recommendations:

Consulting the Manufacturer: It is important to consult the manufacturer’s guidelines and recommendations regarding the type of water to be used in water-lubricated compressors. Manufacturers may specify the acceptable water quality parameters, treatment methods, or restrictions to ensure optimal performance and longevity of the compressor.

By considering the cleanliness, chemical composition, temperature, and appropriate water treatment measures, the type of water used in water-lubricated compressors can be optimized to meet the requirements specified by the manufacturer. Adhering to these restrictions helps ensure efficient and reliable operation of the compressor while minimizing the risk of component damage or performance issues.

air compressor

Are Water-Lubricated Air Compressors Suitable for Food and Beverage Industries?

Water-lubricated air compressors can be highly suitable for the food and beverage industries due to several reasons:

Food-grade lubrication: Water is a natural and food-grade lubricant. It does not introduce harmful contaminants or chemicals into the production process, ensuring the safety and quality of food and beverage products. Water lubrication eliminates the risk of oil contamination in food products that can occur with oil-lubricated compressors.
Compliance with hygiene standards: The food and beverage industries have strict hygiene standards and regulations. Water-lubricated air compressors align with these standards as water is a clean and sanitary lubricant. It minimizes the risk of cross-contamination and helps maintain a hygienic production environment.
Reduced risk of product contamination: Water lubrication eliminates the possibility of oil carryover or oil vapor entering the compressed air system. This reduces the risk of oil contamination in food and beverage products, ensuring their purity and quality.
Improved product shelf life: Oil-lubricated compressors can release oil aerosols or vapors that may negatively affect the taste, odor, or quality of food and beverage products. Water-lubricated compressors eliminate this concern, contributing to improved product shelf life and maintaining the desired sensory attributes.
Easy cleanup and maintenance: Water lubrication simplifies cleanup and maintenance procedures in food and beverage production facilities. Water does not leave behind sticky residues or require extensive cleaning processes. It facilitates faster and more efficient cleaning, reducing downtime and improving overall productivity.
Environmental friendliness: Water is a sustainable and environmentally friendly lubricant choice. It is non-toxic, biodegradable, and does not contribute to air or water pollution. Using water-lubricated air compressors aligns with the sustainability goals of the food and beverage industries.

Considering these factors, water-lubricated air compressors are well-suited for the food and beverage industries, ensuring compliance with hygiene standards, preventing product contamination, and promoting a safe and sustainable production environment.

water_lubrication_air_compressor
editor by lmc 2025-02-24

China Good quality for Beauty 0.2MPa Industry and Hospital Medical Oil-Free Silent Air Compressor mini air compressor

Product Description

Features of the products
Small size, light weight, large exhaust volume, clean gas without oil, easy to install.

Purposes of the products
Can be used to transport cement, grain, lime, plastic, feed and other granular materials and powder materials tank truck, tank ship; It can also be used as an air power source for gas delivery devices.

Machine type	HYCW-10/2 Single Cylinder (cast iron model)
item	unit	Parameter value
Air displacement	m3 / min	10
Exhaust pressure	MPa	0.2
Shaft power	KW	≤35
Specific power	KW / m3 . min -1	3.5
Inspiratory temperature	ºC	≤40
Exhaust temperature	ºC	≤160
Lubricating oil temperature	ºC	65
cleanliness	Mg	720
noise	Db ( A )	70
weight	KG	225
Rotational speed	r / min	980
torque	N . M	341
Overall dimension	mm (Length * width * height)	976.5 * 620 * 760
Installation position	Seated mounting

Hot Products

Company Profile

The products cover 31 provinces of china, cities and autonomous regions, and export to more than 50 countries and regions.

Packaging & Shipping

FAQ

Q1.Dose your company has your own factory?
A:Yes,we have a factory ourself.which is in this business for 15 years in China.
Our factory is in the trailer base LiangShan,ZheJiang ,China.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	7*24 Hours
Warranty:	6 Months
Weight:	210kg
Noise:	70dB(a)
Lubricating Oil Temperature:	65ºC
Exhaust Temperature:	<=160ºC

Customization:	Available \|

air compressor

How Do Water-Lubricated Air Compressors Contribute to Energy Savings?

Water-lubricated air compressors can contribute to energy savings in several ways, making them an attractive option for industries looking to optimize their energy consumption. Here are the key ways in which water-lubricated compressors help achieve energy efficiency:

Reduced friction and improved efficiency: Water serves as a lubricant in water-lubricated compressors, creating a thin film between moving parts to reduce friction. This reduces the energy losses due to mechanical friction and improves the overall efficiency of the compressor. Compared to oil-lubricated compressors, water-lubricated models can achieve higher mechanical efficiency, translating into energy savings over the compressor’s operational lifetime.
Elimination of oil vapor carryover: Oil-lubricated compressors require oil filtration systems to prevent oil carryover into the compressed air stream. These filtration systems consume energy and can introduce pressure drops. In contrast, water-lubricated compressors eliminate the need for oil filtration, reducing energy consumption associated with filtration equipment and minimizing pressure losses. This leads to improved system efficiency and energy savings.
Improved heat transfer and cooling: Water-lubricated compressors offer enhanced heat transfer capabilities compared to oil-lubricated counterparts. Water has a higher specific heat capacity and thermal conductivity, allowing for more efficient heat dissipation. This results in lower operating temperatures and reduces the energy required for cooling the compressor. By optimizing heat transfer, water-lubricated compressors can minimize energy consumption associated with cooling systems or air conditioning in compressor rooms.
Optimized system design: Water-lubricated compressors often employ advanced system designs that further enhance energy efficiency. For example, they may incorporate variable speed drive (VSD) technology, which adjusts the compressor’s speed and power consumption based on the actual air demand. This eliminates energy waste associated with constant-speed operation and reduces energy consumption during periods of low compressed air demand. Additionally, water-lubricated compressors may feature optimized internal components and improved air flow dynamics, resulting in reduced energy losses and improved overall system efficiency.
Heat recovery opportunities: Water-lubricated compressors can provide opportunities for heat recovery. The heat generated during compression can be captured and utilized for various heating applications within the facility, such as space heating, water heating, or process heating. By harnessing this waste heat, water-lubricated compressors contribute to energy savings by offsetting the need for additional energy sources for heating purposes.

By combining these energy-saving features, water-lubricated air compressors help optimize energy consumption, reduce operational costs, and minimize the environmental impact associated with compressed air systems. Implementing water-lubricated compressors with a comprehensive energy management strategy can result in significant energy savings and improved overall sustainability for industrial operations.

air compressor

Can Water-Lubricated Compressors Be Integrated into Existing Systems?

Yes, water-lubricated compressors can be integrated into existing systems, but certain considerations need to be taken into account. Here’s a detailed explanation of integrating water-lubricated compressors into existing systems:

Space and Compatibility:

Physical Space: Before integrating a water-lubricated compressor into an existing system, it’s important to assess the available physical space. Water-lubricated compressors may require additional components such as water pumps, filters, and separators, which need to be accommodated within the existing system layout.
Compatibility: Compatibility between the water-lubricated compressor and the existing system is crucial. Factors such as pressure ratings, flow rates, electrical requirements, and control systems should be evaluated to ensure a seamless integration. It may be necessary to make modifications or upgrades to the existing system to achieve compatibility.

Water Supply:

Water Source: Integrating a water-lubricated compressor requires a suitable water source. The availability of a clean and reliable water supply should be assessed. The water source can be from a municipal water supply, a well, or other water storage systems depending on the specific requirements of the compressor.
Water Treatment: If the existing water supply does not meet the necessary quality standards for the water-lubricated compressor, water treatment systems may need to be installed. Water treatment can involve filtration, softening, or chemical treatment to ensure the water is clean and suitable for lubrication.

Installation and Configuration:

Professional Installation: Integrating a water-lubricated compressor into an existing system typically requires professional installation. Qualified technicians or engineers with experience in water-lubricated compressors should handle the installation process to ensure proper configuration and alignment with the existing system.
Piping and Connections: The installation may involve connecting the water-lubricated compressor to the existing piping system. Proper sizing, materials, and connections should be used to maintain the integrity of the system and prevent leaks or pressure losses.

System Performance and Optimization:

System Evaluation: After integrating the water-lubricated compressor, it’s important to evaluate the overall performance of the system. This includes assessing the compressor’s efficiency, lubrication effectiveness, cooling capacity, and any potential impacts on the existing components.
System Adjustments: Depending on the findings of the system evaluation, adjustments or fine-tuning may be necessary to optimize the performance of the integrated water-lubricated compressor. This can involve adjusting operating parameters, control settings, or making additional modifications to enhance system efficiency and reliability.

Overall, integrating water-lubricated compressors into existing systems is possible with proper planning, evaluation, and professional installation. Considering factors such as space availability, compatibility, water supply, installation requirements, and system optimization will help ensure a successful integration and the effective operation of the water-lubricated compressor within the existing system.

air compressor

Are Water Lubrication Air Compressors More Environmentally Friendly?

Water lubrication in air compressors offers several environmental benefits compared to traditional lubrication methods. Here are some reasons why water lubrication is considered more environmentally friendly:

Non-toxic and biodegradable: Water is a natural substance that is non-toxic and biodegradable. It does not contain harmful chemicals or additives that can pollute the air or water systems. When water lubricants are used in air compressors, there is a reduced risk of environmental contamination.
Reduced air pollution: Traditional lubricants, such as oils or synthetic lubricants, can release volatile organic compounds (VOCs) into the air during operation. VOCs contribute to air pollution and can have detrimental effects on human health and the environment. Water lubrication eliminates the release of VOCs, resulting in improved air quality and reduced air pollution.
Minimized water pollution: Water lubrication does not introduce additional pollutants into water systems. Unlike oils or synthetic lubricants, water does not leave behind harmful residues or contaminants that can contaminate water sources. This helps to protect aquatic ecosystems and maintain water quality.
Energy efficiency: Water lubrication can contribute to energy efficiency in air compressors. Water has excellent heat transfer properties, allowing for efficient dissipation of heat generated during compressor operation. By effectively managing heat, water lubrication helps to reduce energy consumption and improve overall compressor efficiency.
Sustainable resource: Water is a renewable resource that is readily available in nature. Unlike oil or synthetic lubricants, which require extraction and processing, water can be sourced sustainably. This reduces the reliance on finite resources and promotes a more sustainable approach to lubrication in air compressors.

Overall, water lubrication in air compressors is considered more environmentally friendly due to its non-toxic nature, reduced air and water pollution, energy efficiency, and sustainable resource usage.

China Good quality for Beauty 0.2MPa Industry and Hospital Medical Oil-Free Silent Air Compressor mini air compressor
editor by CX 2024-02-25

China Standard 30nm3/H 200bar Oil-Free Piston Compressor for Oxygen Nitrogen Cylinder Filling Factory Price wholesaler

Product Description

High Quality Oil-free Oxygen Nitrogen Gas Compressors

Minwen high pressure industrial gas compressor belongs to oil-free reciprocating piston type construction. It is divided into three-stage, four-stage or five-stage compression according to the displacement and pressure. It is divided into air-cooled type and water-cooled type according to the cooling type.

An oil-free compressor is a type of gas compressor that operates without the need for lubricating oil in the compression chamber. Traditional gas compressors use oil to lubricate the moving parts and provide a better seal between the compression chamber and the piston or rotor. However, in certain applications where oil contamination is a concern, such as medical and dental facilities, food processing, electronics manufacturing, and painting, oil-free compressors are preferred.

There is no lubricating oil inside the gas compressors, grease lubricated sealing type bearing is adopted for the rotary moving components, the moving seals inside the cylinder are made of self-lubricating material so as to ensure that the compressed gas will never contact any oil.

The machine adopts automatic control mode with low leakage and noise and without the need to arrange dedicated person for attention, and can operate over long term reliably.

Our Advantages

1. Oil-Free Gas: They deliver high-quality, oil-free compressed gases, which is essential in applications where oil contamination can be detrimental to the end product or process.

2. Reduced Maintenance: Oil-free compressors eliminate the need for oil changes, filter replacements, and oil disposal, resulting in lower maintenance requirements and costs.

3. Environmental Friendliness: The absence of oil reduces the risk of oil leaks or spills, making oil-free compressors environmentally friendly.

4. Improved gas Quality: Oil-free compressors provide cleaner gases, free from oil aerosols or vapors, which is essential in sensitive applications like medical and dental procedures or electronics manufacturing.

Product Parameters

Model	Inlet pressure Bar	Outlet pressure Bar	Capacity Nm3/h	Power kW	Inlet size	Outlet size	Dimension mm	Weight kg	Speed r/min
WWY-(1- 5)/4-150/200	4.0	150/ 200	5	4.0	Rc1/2	G5/8	1350 850 1100	380	470
WWY- 10/4-150/200	4.0	150/ 200	10	5.5	Rc1/2	G5/8	1350 1050 1100	410	470
WWY- 15/4-150/200	4.0	150/ 200	15	7.5	Rc1/2	G5/8	1350 1050 1100	420	640
WWY-20/4-150/200	4.0	150/ 200	20	11	Rc1/2	G5/8	1350 1050 1100	430	580
WWY-25/4-150/200	4.0	150/ 200	25	11	Rc1/2	G5/8	1350 1050 1100	430	640
WWY-30/4-150/200	4.0	150/ 200	30	15	Rc1/2	G5/8	1350 1050 1100	450	470
WWY-35/4-150/200	4.0	150/ 200	35	15	Rc1/2	G5/8	1350 1050 1100	450	470
WWY-40/4-150/200	4.0	150/ 200	40	15	Rc1/2	G5/8	1350 1050 1100	450	580
SWY- 45/4-150/200	4.0	150/ 200	45	18.5	Rc1	G5/8	1450 1100 1250	520	580
SWY- 50/4-150/200	4.0	150/ 200	50	18.5	Rc1	G5/8	1450 1100 1250	520	580
SWY- 55/4-150/200	4.0	150/ 200	55	18.5	Rc1	G5/8	1450 1100 1250	520	580
SWY- 60/4-150/200	4.0	150/ 200	60	22	Rc1	G5/8	1450 1100 1250	540	640
SWY- 65/4-150/200	4.0	150/ 200	65	22	Rc1	G5/8	1450 1100 1250	540	720
SWY- 70/4-150/200	4.0	150/ 200	70	22	Rc1	G5/8	1450 1100 1250	540	720
SWY-75/4-150/200	4.0	150/ 200	75	22	Rc1	G5/8	145011001250	540	720

Notes: More specification are available based on clients‘ special requirement.

Company Profile

HangZhou Minwen Cryogenic Equipment Co., Ltd. is an established company specializing in industrial gas equipment and cryogenic solutions. With stable economy development in China, Minwen constantly strengthens its supply chain capabilities and resource integration capabilities. We are always on the way of promoting the efficiency and competitiveness, to guarantee high-quality performance of our services.

With advanced technologies and strict quality management, our products have passed the major international third-party quality control certifications such as ASME, CE, and Famous classification society such like BV, TUV, Lloyds and etc.

At Minwen, we pride ourselves on building long-lasting relationships with our clients. We will work with you every step of the way to ensure that your needs are met and your expectations are exceeded. We are committed to providing you with the best price and service we can offer, and we are confident in our ability to deliver top-quality solutions that cater to your specific set of requirements.

FAQ

1. Which countries you can ship the equipment to?
We ship to worldwide, such as Russia, Paraguay, Brazil, Colombia, Indonesia, Middle East, Africa, etc.

2. May I have the best price from you?
Sure. We are always on the way of promoting our competitiveness on products price and service.

3. Is your equipment quality good?
Yes. With advanced technologies and strict quality management, our products have passed the major international third-party quality control certifications such as ASME, CE, and Famous classification society such like BV, TUV, Lloyds

4. Do you provide one-stop service so I can save my time and labor?
Yes. Minwen constantly strengthens its supply chain capabilities and resource integration capabilities. You will own a professional team in China by cooperating with Minwen.

5. Where is your company located?
Our Export Office is located in HangZhou, with associated factories across China. This helps our international clients to integrate all the high quality resources together with Minwen.

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After-sales Service:	Lifetime Aftersales Service
Warranty:	Lifetime Aftersales Service
Lubrication Style:	Oil-free
Cooling System:	Water/ Air Cooling
Cylinder Arrangement:	Balanced Opposed Arrangement
Cylinder Position:	Vertical

Customization:	Available \|

air compressor

How Do Water-Lubricated Air Compressors Impact Compressed Air Quality?

Water-lubricated air compressors can have an impact on the quality of the compressed air they produce. Here’s a detailed explanation of how water-lubricated air compressors can affect compressed air quality:

Moisture Content:

Condensation: Water-lubricated compressors introduce moisture into the compressed air system. During the compression process, as the air cools downstream, moisture can condense and accumulate. This moisture can lead to issues such as corrosion, rust, and contamination of downstream equipment or processes.
Water Carryover: If the compressor’s water separation mechanisms are not efficient or if there are malfunctions in the water removal systems, water droplets or mist may carry over into the compressed air. This can negatively impact the quality of the compressed air and introduce moisture-related issues downstream.

Contamination:

Oil Contamination: In some water-lubricated compressors, there is a potential for oil to mix with the water used for lubrication. If oil and water emulsify or if there are leaks in the compressor system, oil contamination may occur. Oil-contaminated compressed air can have adverse effects on downstream processes, equipment, and products. It can lead to contamination, reduced performance of pneumatic components, and potential health and safety concerns.
Particulate Contamination: Water-lubricated compressors can introduce particulate matter, such as sediment, debris, or rust, into the compressed air system. This can occur if the water supply or water treatment systems are not adequately filtered or maintained. Particulate contamination can clog or damage pneumatic equipment, affect product quality, and cause operational issues in downstream applications.

Preventive Measures:

Water Separation: Water-lubricated compressors employ various water separation mechanisms to remove moisture from the compressed air. This includes moisture separators, water traps, or coalescing filters that are specifically designed to capture and remove water droplets or mist from the compressed air stream. Regular maintenance and inspection of these separation systems are necessary to ensure their proper functioning.
Air Treatment: Additional air treatment components, such as air dryers or desiccant systems, can be installed downstream of water-lubricated compressors to further reduce moisture content in the compressed air. These systems help to remove moisture that may have carried over from the compressor and ensure that the compressed air meets the required dryness standards for specific applications.
Proper Maintenance: Regular maintenance of water-lubricated compressors is essential to minimize the potential impact on compressed air quality. This includes routine inspection, cleaning, and replacement of filters, lubrication systems, and water separation components. Addressing any leaks, malfunctioning components, or system issues promptly can help maintain the integrity of the compressed air and prevent contamination or excessive moisture levels.

By implementing appropriate water separation mechanisms, air treatment systems, and maintenance practices, the impact of water-lubricated air compressors on compressed air quality can be minimized. It is important to consider the specific requirements of the application and follow industry standards and guidelines to ensure the desired compressed air quality is achieved.

air compressor

How Are Water-Lubricated Air Compressors Used in Automotive Applications?

Water-lubricated air compressors find various applications in the automotive industry. Here’s a detailed explanation of how they are used in automotive applications:

Tire Inflation:

Service Stations: Water-lubricated air compressors are commonly used in automotive service stations for tire inflation. They provide a reliable source of compressed air for quickly and efficiently inflating tires to the recommended pressure. The water lubrication system in these compressors helps to reduce friction and wear on internal components, ensuring smooth operation and extended lifespan.
Tire Shops: Tire shops often utilize water-lubricated air compressors as part of their tire service equipment. These compressors can supply compressed air for tire inflation, tire mounting and demounting machines, and other pneumatic tools used in tire service and maintenance.

Painting and Finishing:

Spray Painting: Water-lubricated air compressors are also used in automotive painting and finishing processes. Compressed air is used to power spray guns that apply paint or coatings to vehicles during the painting process. The water lubrication system helps maintain the cleanliness of the compressor and prevents oil contamination, ensuring high-quality paint finishes.
Sanding and Polishing: Compressed air is often used for sanding and polishing automotive surfaces. Water-lubricated air compressors provide a reliable source of compressed air for pneumatic sanders, polishers, and other air-powered tools used in automotive surface preparation and refinishing.

Brake and Suspension Systems:

Brake Bleeding: Water-lubricated air compressors can be used during brake bleeding procedures in automotive repair and maintenance. Compressed air is used to purge air bubbles from the brake system, ensuring optimal brake performance and pedal feel. The water lubrication system helps maintain the purity of the compressed air, preventing contamination that could affect the brake system’s functionality.
Suspension Systems: Air suspension systems in vehicles often rely on compressed air for operation. Water-lubricated air compressors provide a continuous supply of clean and lubricated compressed air for inflating and maintaining the air springs or airbags used in vehicle suspensions.

Diagnostic and Testing Equipment:

Diagnostic Tools: Water-lubricated air compressors are utilized in automotive diagnostic and testing equipment. Compressed air is used to operate pneumatic diagnostic tools, such as vacuum testers, pressure gauges, and leak detectors, that help diagnose and troubleshoot various vehicle systems.
Testing and Calibration: Automotive testing and calibration equipment, such as dynamometers and emission testing devices, often require a source of compressed air. Water-lubricated air compressors supply the necessary compressed air for precise and accurate testing of vehicle performance, emissions, and other parameters.

Overall, water-lubricated air compressors play a significant role in various automotive applications, including tire inflation, painting and finishing, brake and suspension systems, and diagnostic and testing equipment. Their use helps ensure efficient and reliable operation, improved productivity, and high-quality results in automotive service, repair, and manufacturing processes.

air compressor

Are Water Lubrication Air Compressors More Environmentally Friendly?

Non-toxic and biodegradable: Water is a natural substance that is non-toxic and biodegradable. It does not contain harmful chemicals or additives that can pollute the air or water systems. When water lubricants are used in air compressors, there is a reduced risk of environmental contamination.
Reduced air pollution: Traditional lubricants, such as oils or synthetic lubricants, can release volatile organic compounds (VOCs) into the air during operation. VOCs contribute to air pollution and can have detrimental effects on human health and the environment. Water lubrication eliminates the release of VOCs, resulting in improved air quality and reduced air pollution.
Minimized water pollution: Water lubrication does not introduce additional pollutants into water systems. Unlike oils or synthetic lubricants, water does not leave behind harmful residues or contaminants that can contaminate water sources. This helps to protect aquatic ecosystems and maintain water quality.
Energy efficiency: Water lubrication can contribute to energy efficiency in air compressors. Water has excellent heat transfer properties, allowing for efficient dissipation of heat generated during compressor operation. By effectively managing heat, water lubrication helps to reduce energy consumption and improve overall compressor efficiency.
Sustainable resource: Water is a renewable resource that is readily available in nature. Unlike oil or synthetic lubricants, which require extraction and processing, water can be sourced sustainably. This reduces the reliance on finite resources and promotes a more sustainable approach to lubrication in air compressors.

China Standard 30nm3/H 200bar Oil-Free Piston Compressor for Oxygen Nitrogen Cylinder Filling Factory Price wholesaler
editor by CX 2024-02-25