Tag Archives: oil-free air compressor

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

 

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
cfm 2.2 4.3 9.3 18.7 35.8
60Hz m3/h 4.3 8.6 18.3 37.4 71.6
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 ≤1.0*10-1
Torr ≤2.2*10-1 ≤2.2*10-1 ≤1.5*10-1 ≤7.5*10-1 ≤7.5*10-1
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/KF16*2
Dimensions mm 450*206*296 455*260*296 540*287*334 578*315*355 655*380*402
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.

Related Products

 

GWMMK1000 Major Maintenance Kit
Performance
: Prolong the service life of the product.
Application: For the major maintenance of oil free scroll vacuum compressor GWSPC1000.

GWTSK1000 Tip Seal Kit
Performance
: Prolong the service life of the product.
Application: For the scheduled maintenance of oil free scroll vacuum compressor GWSPC1000.

 

Company Profile

GEOWELL VACUUM CO.,LTD. is a HI-TECH enterprise in China dedicating in manufacturing, research and development, marketing of oil free scroll vacuum pumps and vacuum compressors since 2002. GEOWELL has been providing users and partners with premium quality products that are efficient and dependable, GEOWELL believe the integration of high performance and high reliability product and service will bring the highest value to both our customers and ourselves.

FAQ

Q: How long can I get the feedback after we sent the inquiry?
A: We will reply you within 12 hours in working day.
Q: Are you direct manufacturer?
A: Yes, we are direct manufacturer with factory and international department; we manufacture and sell all our products by ourselves.
Q: When can you delivery the product to us?
A: Since we are a factory with large warehouse, we have abundant products in store, so we can delivery within 7 days after get your deposit.
Q: Can I add logo to the products?
A: Of course, but we usually have quantity requirement. You can contact with us for details.
Q: How to guarantee the quality and after sales service of your products?
A: We conduct strict detection during production from raw material come in to product delivering shipment. Every product must go through 4 steps inspection from casting, machining, assembling, and performance testing within our factory before shipment, also intact packaging test are insured.
Q: What is your warranty term?
A: There is a 12 months warranty for our export products from the date of shipment. If warranty has run out, our customer should pay for the replacement part.
Q: Is the sample available?
A: Yes, usually we send our samples by Fedex, DHL, TNT, UPS, EMS, SF, Depon, it will take around 3 to 4 days for our customer receive them, but customer will charge all cost related to the samples, such as sample cost and air freight. We will refund our customer the sample cost after receiving the order.

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air compressor

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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_compressorwater_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
0.6Mpa 0.7MPa 0.8MPa 1.0MPa length width height

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

 

  1. 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.
  2. 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

  1. 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:

  1. 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.
  2. 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.
  3. 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.
  4. 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_compressorwater_lubrication_air_compressor
editor by lmc 2025-03-03

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

Product Description

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)
7bar 8bar 10bar 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 2200*1400*2000 2200*1500*1720 2650  2700 
RDO-55A/W 5.7-9.8 5.2-9.0 4.4-7.8 55  69±3 DN50 2200*1400*2000 2200*1500*1720 2850  2900 
RDO-75A/W 7.6-13.0 7.2-12.2 6.6-11.2 75  70±3 DN50 2200*1400*2000 2200*1500*1720 2950  2900 
RDO-90A/W 9.6-16.0 8.1-13.8 7.6-13.1 90  71±3 DN50 2200*1400*2000 2200*1500*1720 3000  2950 
RDO-110A/W 12.1-20.6 11.6-19.5 11.1-18.8 110  71±3 DN65 3000*1990*2180 2800*1900*1990 3500  3550 
RDO-132A/W 14.7-24.8 13.6-23.0 11.5-19.5 132  73±3 DN65 3000*1990*2180 2800*1900*1990 3550  3600 
RDO-160A/W 16.9-28.5 15.6-26.3 14.1-23.8 160  73±3 DN65 3000*1990*2180 2800*1900*1990 3650  3750 
RDO-185A/W 19.5-32.8 17.1-28.9 16.3-27.5 185  74±3 DN65 3000*1990*2180 2800*1900*1990 4100  4200 
RDO-200A/W 21.8-36.8 20.4-34.6 18.1-30.6 200  74±3 DN100 4500*2000*2100 3100*2100*2065 5100  4500 
RDO-220A/W 24.9-41.5 22.4-37.3 19.8-33.0 220  74±3 DN100 4500*2000*2100 3100*2100*2065 5600  5000 
RDO-250A/W 27.3-46.0 25.3-42.8 22.7-38.2 250  74±3 DN100 4500*2000*2100 3100*2100*2065 5700  5200 
RDO-280A/W 31.6-48.6 30.9-47.5 29.3-45.0 280  76±3 DN100 4500*2000*2100 3100*2100*2065 5800  5300 
RDO-315A/W 34.1-52.5 32.9-50.6 31.5-48.5 315  77±3 DN100 4500*2000*2100 3100*2100*2065 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.

  /* 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 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 compressorsair 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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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_compressorwater_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
50 Hz 60 Hz
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
50 Hz 60 Hz
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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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_compressorwater_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

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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 compressorChina 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 manufacturer 30nm3/H 200bar Oil-Free Piston Compressor for Oxygen Nitrogen Cylinder Filling Factory Price air compressor lowes

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 1450*1100*1250 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.

/* 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: 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

What Are the Safety Considerations When Using Water-Lubricated Compressors?

When using water-lubricated compressors, it is important to prioritize safety to prevent accidents, ensure the well-being of personnel, and maintain the integrity of the equipment. Here’s a detailed explanation of the safety considerations:

  1. Electrical Safety: Compressed air systems, including water-lubricated compressors, often involve electrical components and connections. Ensure that the electrical systems are properly installed, grounded, and protected according to applicable electrical codes and regulations. Regularly inspect electrical components, such as motors, switches, and wiring, for any signs of damage or wear that could pose electrical hazards.
  2. Pressure Safety: Water-lubricated compressors can operate at high pressures, presenting potential hazards. Follow the manufacturer’s guidelines and ratings to ensure that the compressor is operated within its specified pressure limits. Install and maintain pressure relief valves to prevent overpressurization and ensure the safe release of excess pressure. Regularly inspect pressure gauges, fittings, and connections for leaks, damage, or signs of degradation.
  3. Heat and Cooling Safety: Compressed air systems generate heat during the compression process, and proper cooling is essential to maintain safe operating temperatures. Ensure that cooling mechanisms, such as water jackets or external cooling systems, are functioning correctly and provide adequate cooling capacity. Monitor and control the temperature of the compressed air and the cooling water to prevent overheating and minimize the risk of equipment damage or failure.
  4. Water Quality and Treatment: The quality of the water used for lubrication is crucial for the performance and safety of water-lubricated compressors. Impurities, contaminants, or minerals in the water can lead to corrosion, blockages, or reduced lubrication effectiveness. Implement appropriate water treatment or filtration systems to maintain the desired water quality. Regularly monitor water quality and perform necessary maintenance and treatment to prevent potential safety and performance issues.
  5. Maintenance and Inspection: Establish a routine maintenance and inspection program for the water-lubricated compressor system. Regularly inspect the compressor, water distribution system, filters, and other components for any signs of wear, damage, or deterioration. Follow the manufacturer’s recommended maintenance procedures, including lubrication, filter replacement, and system checks. Promptly address any identified issues to prevent safety hazards and maintain the reliable operation of the compressor.
  6. Training and Personal Protective Equipment (PPE): Proper training of personnel who operate and maintain water-lubricated compressors is essential for safety. Ensure that operators and maintenance personnel are trained on the safe operation of the equipment, emergency procedures, and hazard identification. Provide appropriate personal protective equipment (PPE), such as safety glasses, gloves, and hearing protection, to minimize the risk of injuries from potential hazards, including high-pressure water, rotating parts, or noise.

It is important to consult applicable safety regulations, codes, and guidelines specific to your location and industry when using water-lubricated compressors. Additionally, follow the manufacturer’s instructions, warnings, and safety recommendations provided with the equipment to ensure the safe operation of water-lubricated compressors and mitigate potential risks.

air compressor

What Is the Role of Filtration in Water-Lubricated Air Compressors?

Filtration plays a crucial role in water-lubricated air compressors, serving several important purposes. Here’s a detailed explanation of the role of filtration in water-lubricated air compressors:

Contaminant Removal:

  • Particle Filtration: Filtration systems in water-lubricated air compressors are designed to remove particles and contaminants from the water. These can include sediment, rust, debris, and other solid particles that may be present in the water supply. Removing these contaminants is essential to prevent blockages, clogging, and damage to the compressor components.
  • Oil Removal: In some cases, water used in compressors may contain traces of oil or hydrocarbons. Filtration systems can also help remove oil and hydrocarbon contaminants from the water, ensuring that the lubrication system remains clean and effective.

Protection of Components:

  • Lubrication System: Filtration prevents contaminants from reaching the lubrication system of water-lubricated air compressors. This helps maintain the cleanliness and integrity of the lubricant, ensuring optimal lubrication performance and minimizing wear on the compressor’s moving parts. Clean and filtered water can enhance the efficiency and lifespan of the compressor’s lubrication system.
  • Heat Exchangers and Cooling Systems: Water-lubricated compressors often rely on heat exchangers and cooling systems to regulate the temperature of the compressed air and the compressor itself. Filtration helps protect these components by preventing the accumulation of debris and contaminants that can hinder heat transfer and reduce the cooling efficiency. Clean water free from particles and contaminants promotes effective heat exchange and cooling.

Prevention of System Fouling:

  • Scaling and Deposits: Filtration systems also help prevent scaling and deposits that can occur when water with high mineral content or hardness is used. These deposits can accumulate on the internal surfaces of the compressor, heat exchangers, or other components, reducing their efficiency and potentially causing operational issues. By removing impurities and controlling mineral content, filtration minimizes the risk of scaling and deposits.

Extended Equipment Lifespan:

  • Component Protection: By effectively removing contaminants, filtration systems contribute to the protection and longevity of water-lubricated air compressor components. Clean and filtered water reduces the risk of component wear, corrosion, fouling, and blockages, ultimately extending the lifespan of the compressor and reducing maintenance and replacement costs.

Regular Maintenance and Monitoring:

  • Filter Replacement: Filtration systems require regular maintenance, including the replacement or cleaning of filters. The frequency of filter replacement depends on factors such as water quality, usage conditions, and the specific requirements of the compressor manufacturer. Regular maintenance ensures that the filtration system continues to effectively remove contaminants and protect the compressor components.
  • Monitoring Water Quality: Alongside filtration, monitoring the quality of the water used in water-lubricated compressors is essential. This can involve periodic water analysis, measurement of key parameters such as pH or conductivity, and visual inspections. Monitoring helps identify any changes in water quality or potential issues with the filtration system, allowing for timely maintenance or corrective actions.

In summary, filtration plays a critical role in water-lubricated air compressors by removing contaminants, protecting components, preventing system fouling, and extending equipment lifespan. By maintaining clean and filtered water, filtration systems contribute to the efficient operation, reliability, and longevity of water-lubricated compressors.

air compressor

How Is Water Quality Crucial for the Performance of These Compressors?

Water quality plays a crucial role in the performance of water-lubricated air compressors. The quality of the water used for lubrication directly impacts the efficiency, reliability, and lifespan of these compressors. Here are the key reasons why water quality is essential for optimal compressor performance:

  1. Lubrication effectiveness: Water serves as the lubricant in water-lubricated air compressors. The water forms a protective film between moving parts, reducing friction and wear. However, if the water contains impurities or contaminants, it can compromise the lubricating properties. Impurities like minerals, sediments, or dissolved solids can hinder the formation of an effective lubricating film, leading to increased friction and potential damage to the compressor components.
  2. Corrosion prevention: Water with high mineral content, such as hard water, can promote corrosion within the compressor system. Minerals like calcium and magnesium can react with metal surfaces, leading to rust, scale formation, and degradation of internal components. Corrosion compromises the structural integrity of the compressor, reduces its efficiency, and may result in costly repairs or even premature failure.
  3. Preventing blockages: Poor water quality can result in the accumulation of sediments, debris, or contaminants within the compressor system. These deposits can block water passages, filters, or valves, impeding the flow of water and affecting the overall performance of the compressor. Restricted water flow may lead to inadequate cooling, reduced lubrication, and compromised efficiency.
  4. Preventing fouling and fouling-related issues: Fouling refers to the accumulation of organic or inorganic deposits on heat transfer surfaces, such as heat exchangers or radiators, within the compressor system. Poor water quality can contribute to fouling, reducing heat transfer efficiency and impairing the cooling capacity of the compressor. This can result in elevated operating temperatures, decreased performance, and potential damage to the compressor.
  5. System cleanliness: Clean water is crucial for maintaining a clean and sanitary compressor system, especially in industries like food and beverage or medical applications. Contaminated water can introduce harmful bacteria, microorganisms, or particles into the compressor, posing a risk to product quality, safety, or patient well-being.

To ensure optimal performance and longevity of water-lubricated air compressors, it is important to monitor and maintain the quality of the water used for lubrication. Regular water analysis, proper filtration, and appropriate water treatment measures should be employed to remove impurities, control mineral content, and maintain the desired water quality. By ensuring clean and high-quality water, the compressor can operate efficiently, minimize the risk of component damage, and contribute to a reliable and safe compressed air system.

China manufacturer 30nm3/H 200bar Oil-Free Piston Compressor for Oxygen Nitrogen Cylinder Filling Factory Price   air compressor lowesChina manufacturer 30nm3/H 200bar Oil-Free Piston Compressor for Oxygen Nitrogen Cylinder Filling Factory Price   air compressor lowes
editor by CX 2024-02-24

China OEM Small Laboratory Applications and Construction Piston Pumps Oil Free Air Compressor air compressor for car

Product Description

Twin Cylinder Dental Airbrush Milker Lab Package Sealer Head Compressor Oil Free Piston Air Pump

Advantages:
Oil-less Vacuum Pumps / Air Compressors

PRANSCH oil-less rocking piston pump and air compressor combines the best characteristics of traditional piston pumps(air compressor) and diaphragm pumps into small units with excellent features.

  1. Light weight and very portable
  2. Durable and near ZERO maintenance
  3. Thermal protection (130 deg C)
  4. Power cord with plug, 1m length
  5. Shock mount
  6. Silencer – muffler
  7. Stainless steel vacuum and pressure gauge, both with oil damping
  8. Two stainless steel needle valves each with lock nut.
  9. All nickel plated fittings
  10. Power supply 230V, 50/60 Hz

This series is ideal for use in applications where oil-mist is undesirable. For examples, pressure/vacuum filtration, air sampling, water aeration, flame photometer, electromedical, suction cups conveyors, laboratory applications and construction.

Specification:

Model Frequency Flow Pressure Power Speed Current Voltage Heat Sound Weight Hole Installation Dimensions
Hz L/min Kpa Kw Min-1 A V 0 C db(A) Kg MM MM
PM200C 50 50 200 0.12 1380 0.45  210/235 5-40 48 1.8  M5 L100xW74
60 58 200 0.13 1450 0.90  110/125 5-40 48 1.8  M5
PM300C 50 75 300 0.15 1380 0.76  210/235 5-40 45 3.2  M6 L118xW70
60 90 300 0.16 1450 1.52  110/125 5-40 45 3.2  M6
PM550C 50 105 600 0.32 1380 1.50  210/235 5-40 56 6.0  M6 L148xW83
60 115 600 0.35 1450 3.00  110/125 5-40 56 6.0  M6
PM1200C 50 120 300 0.45 1380 1.70  210/235 5-40 58 7.6  M6 L203xW86
60 145 300 0.49 1450 3.50  110/125 5-40 58 7.6  M6
PM1400C 50 160 700 0.45 1380 1.70  210/235 5-40 58 8.5  M6 L203xW86
60 180 700 0.49 1450 3.50  110/125 5-40 58 8.5  M6
PM2000C 50 230 800 0.55 1380 2.50  210/235 5-40 60 10.0  M6 L203xW86
60 250 800 0.60  1450 5.20  110/125 5-40 60 10.0  M6
HP2400C 50 240 900 0.90  1380 3.30  210/235 5-40 75 17.0  M7 L246xW127
60 258 900 1.00  1450 6.80  110/125 5-40 75 17.0  M7
PM3000C 50 250 1000 1.50  1380 4.20  210/235 5-40 76 17.5  M7 L246xW127
60 270 1000 1.70  1450 9.00  110/125 5-40 76 17.5  M7

Why use a Rocking Piston Product?

Variety
Pransch oilless Rocking Piston air compressors and vacuum pumps, available in single, twin, miniature, and tankmounted
styles, are the perfect choice for hundreds of applications. Choose from dual frequency, shaded pole,
and permanent split capacitor (psc) electric motors with AC multi-voltage motors to match North American,
European, and CHINAMFG power supplies. A complete line of recommended accessories as well as 6, 12, and
24 volt DC models in brush and brushless types are also available.

Performance
The rocking piston combines the best characteristics of piston and diaphragm air compressors into a small unit
with exceptional performance. Air flow capabilities from 3.4 LPM to 5.5 CFM (9.35 m3/h), pressure to 175 psi
(12.0 bar) and vacuum capabilities up to 29 inHg (31 mbar). Horsepowers range from 1/20 to 1/2 HP
(0.04 to 0.37 kW).

Reliable
These pumps are made to stand up through years of use. The piston rod and bearing assembly are bonded
together, not clamped; they will not slip, loosen, or misalign to cause trouble.

Clean Air
Because CHINAMFG pumps are oil-free, they are ideal for use in applications in laboratories, hospitals, and the
food industry where oil mist contamination is undesirable.

Application:

  1. Transportation application include:Auto detailing Equipment,Braking Systems,Suspension Systems,Tire Inflators
  2. Food and Beverage application include:beverage dispensing,coffee and Espresso equipment,Food processing and packaging,Nitrogen Generation
  3. Medical and laboratory application include:Body fluid Analysis equipment,Dental compressors and hand tools,dental vacuum ovens,Dermatology equipment,eye surgery equipment,lab automation,Liposuction equipment,Medical aspiration,Nitrogen Generation,Oxygen concentrators,Vacuum Centrifuge,vacuum filtering,ventilators
  4. General industrial application include:Cable pressurization,core drilling
  5. Environmental application include:Dry sprinkler systems,Pond Aeration,Refrigerant Reclamation,Water Purification Systems
  6. Printing and packaging application include:vacuum frames
  7. material Handling application include:vacuum mixing

 

 

/* 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

Lubrication Style: Oil-free
Cooling System: Air Cooling
Cylinder Position: Vertical
Structure Type: Closed Type
Compress Level: Single-Stage
Refrigerant Type: Air
Customization:
Available

|

air compressor

Can Water-Lubricated Air Compressors Be Used in Cold Climates?

Water-lubricated air compressors can be used in cold climates, but there are certain considerations and precautions to keep in mind. Here’s a detailed explanation of using water-lubricated air compressors in cold climates:

Freezing of Water:

  • Potential for Freezing: In cold climates, the water used for lubrication in water-lubricated compressors can freeze, which can cause operational issues and damage to the equipment. Freezing can occur in the water supply lines, lubrication system, or water jackets if the temperature drops below the freezing point of water.
  • Water Temperature: It is important to ensure that the water temperature remains above freezing throughout the compressor system. This can be achieved by using insulation, heat tracing, or heaters to maintain adequate water temperature. Monitoring the water temperature and implementing appropriate heating measures are crucial to prevent freezing-related problems.

Protection and Insulation:

  • Protecting External Components: External components of water-lubricated compressors, such as valves, fittings, and pipes, may be exposed to cold temperatures. Insulating these components can help prevent freezing and ensure their proper functioning. Insulation materials, such as foam wraps or heat tapes, can be used to provide thermal protection.
  • Water Supply Lines: Water supply lines that feed the compressor should be properly insulated and protected from freezing temperatures. Insulation can help maintain the water temperature and prevent freezing within the supply lines. Additionally, measures such as burying the supply lines below the frost line or using heat tracing cables can offer further protection against freezing.

Alternative Lubrication Methods:

  • Oil-Lubricated Compressors: In extremely cold climates, where freezing is a significant concern, using oil-lubricated compressors instead of water-lubricated ones may be a more practical option. Oil-based lubrication systems are less prone to freezing and can provide reliable operation in colder temperatures. However, it is important to consider the specific requirements and limitations of oil-lubricated compressors for the intended application.

Manufacturer Recommendations:

  • Consulting the Manufacturer: It is crucial to consult the manufacturer’s guidelines and recommendations regarding the use of water-lubricated compressors in cold climates. Manufacturers may provide specific instructions, modifications, or alternative solutions to ensure the safe and efficient operation of their equipment under cold weather conditions.

By implementing proper insulation, heating measures, and following the manufacturer’s guidance, water-lubricated air compressors can be used effectively in cold climates. It is important to assess the specific requirements of the application and consider the potential challenges associated with freezing temperatures to ensure the reliable and safe operation of the water-lubricated compressor system.

air compressor

What Are the Considerations for Choosing Water-Lubricated vs. Oil-Lubricated Compressors?

When selecting between water-lubricated and oil-lubricated compressors, several considerations come into play. Here’s a detailed explanation of the key factors to consider when choosing between these two types:

Operating Environment:

  • Water Sensitivity: Water-lubricated compressors are well-suited for environments where water is readily available and can be easily supplied to the compressor system. On the other hand, oil-lubricated compressors are more suitable for applications where water is not readily available or where water contamination could pose a problem.
  • Cleanliness Requirements: If the application demands a high level of cleanliness, such as in certain manufacturing processes or cleanroom environments, water-lubricated compressors may be preferred. Water is inherently cleaner than oil and reduces the risk of oil contamination in sensitive operations.

Maintenance and Service:

  • Lubricant Replacement: Oil-lubricated compressors require regular oil changes and maintenance to ensure proper lubrication and performance. Water-lubricated compressors, on the other hand, eliminate the need for oil changes and associated maintenance tasks, simplifying the maintenance requirements.
  • Oil Contamination: Oil-lubricated compressors carry the risk of oil contamination in the compressed air system. This can be a concern in certain applications where oil contamination can negatively impact product quality or downstream equipment. Water-lubricated compressors reduce the risk of oil contamination, making them advantageous in such applications.

Environmental Impact:

  • Oil Disposal: Oil-lubricated compressors generate used oil that requires proper disposal in accordance with environmental regulations. Water-lubricated compressors eliminate the need for oil disposal, contributing to a reduced environmental impact.
  • Energy Efficiency: In terms of energy efficiency, water-lubricated compressors tend to have an advantage. Water has a higher specific heat capacity than oil, meaning it can absorb and dissipate heat more effectively. This can result in improved cooling efficiency and potentially lower energy consumption compared to oil-lubricated compressors.

Application-Specific Factors:

  • Operating Pressure: Water-lubricated compressors are generally suitable for lower to moderate operating pressures. Oil-lubricated compressors, on the other hand, can handle higher operating pressures, making them more appropriate for applications that require higher pressure levels.
  • Temperature Sensitivity: Water-lubricated compressors may have limitations in applications where low temperatures are encountered. Water freezing or becoming slushy can cause operational issues. Oil-lubricated compressors, with appropriate low-temperature oil formulations, can better handle such temperature-sensitive conditions.

Cost Considerations:

  • Initial Cost: Water-lubricated compressors generally have a lower initial cost compared to oil-lubricated compressors. This cost advantage can be attractive for applications with budget constraints.
  • Maintenance Cost: Over the long term, water-lubricated compressors may have lower maintenance costs due to the elimination of oil changes and associated maintenance tasks. However, it’s important to consider the specific maintenance requirements and costs associated with each type of compressor.

By considering these factors, including the operating environment, maintenance and service requirements, environmental impact, application-specific factors, and cost considerations, one can make an informed decision when choosing between water-lubricated and oil-lubricated compressors.

air compressor

How Do Water-Lubricated Air Compressors Compare to Oil-Lubricated Ones?

Water-lubricated air compressors and oil-lubricated air compressors have distinct differences in terms of lubrication method, performance, maintenance, and environmental impact. Here is a detailed comparison between the two:

Water-Lubricated Air Compressors Oil-Lubricated Air Compressors
Lubrication Method Water is used as the lubricant in water-lubricated compressors. It provides lubrication and heat dissipation. Oil is used as the lubricant in oil-lubricated compressors. It provides lubrication, sealing, and heat dissipation.
Performance Water lubrication offers efficient heat dissipation and cooling properties. It can effectively remove heat generated during compressor operation, preventing overheating and prolonging the compressor’s lifespan. Water lubrication can be suitable for applications where high heat generation is a concern. Oil lubrication provides excellent lubrication properties, ensuring smooth operation and reduced friction. It offers good sealing capabilities, preventing air leakage. Oil-lubricated compressors are often preferred for heavy-duty applications that require high pressure and continuous operation.
Maintenance Water lubrication generally requires less maintenance compared to oil lubrication. Water does not leave sticky residues or deposits, simplifying the cleaning process and reducing the frequency of lubricant changes. However, water lubrication may require additional measures to prevent corrosion and ensure proper water quality. Oil lubrication typically requires more maintenance. Regular oil changes, filter replacements, and monitoring of oil levels are necessary. Contaminants, such as dirt or moisture, can adversely affect oil lubrication and require more frequent maintenance tasks.
Environmental Impact Water lubrication is more environmentally friendly compared to oil lubrication. Water is non-toxic, biodegradable, and does not contribute to air or water pollution. It has a lower environmental impact and reduces the risk of contamination in case of leaks or spills. Oil lubrication can have environmental implications. Oil leaks or spills can contaminate the environment, including air, soil, and water sources. Used oil disposal requires proper handling to prevent pollution. Oil-lubricated compressors also release volatile organic compounds (VOCs) into the air, contributing to air pollution.

In summary, water-lubricated air compressors excel in efficient heat dissipation, require less maintenance, and have a lower environmental impact. On the other hand, oil-lubricated air compressors offer excellent lubrication properties and are suitable for heavy-duty applications. The choice between water and oil lubrication depends on specific requirements, operating conditions, and environmental considerations.

China OEM Small Laboratory Applications and Construction Piston Pumps Oil Free Air Compressor   air compressor for carChina OEM Small Laboratory Applications and Construction Piston Pumps Oil Free Air Compressor   air compressor for car
editor by CX 2024-02-23

China Best Sales 3.4kw 120L Portable silent Oil Free Air Compressor Hb120 for Sale air compressor portable

Product Description

Product Description

Features
1. The machine is light, easy to carry.
2. Without refueling in use process, low energy consumption, simple maintenance and low cost.
3. The machine little vibration, low noise
4. Compared with similar machines, the air charging time is faster and the work is reliable.
5. Suitable for food, medical treatment, woodworking decoration, scientific research institutions, and compressed gas as a power source in the field.

Product Parameters

Model HB12 HB30 HB35 HB50 HB70A HB90A HB120 HB200
Input power
(KW)
0.68 0.75 0.85 1.5 1.36
(0.68*2)
2.04
(0.68*3)
3.4
(0.85*4)
5.1
(0.85*6)
Voltage (V/Hz) 220/50 220/50 220/50 220/50 220/50 220/50 220/50 220/50
Current (A) 2.8 3.0 3.8 6 6.8 9.0 13 20
Rotate speed (rpm/min) 1400 1400 1400 1400 1400 1400 1400 1400
Air Intake (L/min) 116 128 150 180 256 580 720 950
Exhaust pressure(Mpa) 0.8 0.8 0.8 0.8 0.7 0.7 0.7 0.7
Noise  (db(A)) 66 66 68 71 71 73 85 85
Volume (L) 12 30 35 50 70 90 160 200
Weight (KG) 18 23 26 39 43 69 105 150
Dimensions (CM) 53*23*55 54*30*56 64*32*61 70*30*65 70*35*70 100*35*70 120*41*75 150*45*85

Detailed Photos

Packaging & Shipping

Company Profile

Founded in 1997, our factory has become 1 of the most powerful air compressor equipment and engineering drilling equipment manufacturers in China, and is a member of the national compressor industry association, drilling machinery and pneumatic tools industry association, and a drafting unit of national standards. All the products have passed the quality system certification of ISO9001:2000 and national inspection-free products.

Its total registered capital of 245 million yuan, holding 10 subsidiaries, is a set of technology research and development, production and manufacturing, sales and service functions in 1 of the modern machinery and equipment manufacturing enterprises, the enterprise covers an area of 31000m2. The group has more than 1100 employees, including more than 100 middle and senior technical personnel. The group has established close cooperative relations with many domestic famous universities and other scientific research institutes, with strong product research and development capabilities.

 

Now as the main exporter of drilling rigs and air compressors equipment in China. It has exported to more 60 countries such as Southeast Asia, South America, Africa, Eastern Europe, Russia etc. Excellent quality and perfect service gain the consistent praise from customers. 

Certifications

After Sales Service

1.Pre-sale service: 

Act as a good adviser and assistant of clients enable them to get  rich and generous returns on their investments . 

1.Select equipment model. 

2.Design and manufacture products  according to client’s special requirement 

3.Train technical personnel  for  clients . 

2.Services during the sale:

1.Pre-check and accept products ahead of delivery . 

2. Help clients to draft solving plans .

3.After-sale services:

 Provide considerate services to minimize clients’ worries.

1.Complete Aftersales service,professional engineers available to service machinery at home or oversea.   

2. 24 hours technical support by e-mail.

3. Call or Video service.
 

FAQ

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

Q2: Warranty terms of your machine?
A2: One year warranty for the machine and technical support according to your needs.

Q3: Will you provide some spare parts of the machines?
A3: Yes, of course.

Q4: What about the voltage of products??Can they be customized?
A4: Yes, of course. The voltage can be customized according to your equirement.

Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 7-15 days. Other electricity or other color we will delivery within 20-30 days.

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

Q7 Which trade term can you accept?
A7: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.

/* 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: 24 Hours Online Service
Warranty: 1 Year
Lubrication Style: Oil-free
Cooling System: Air Cooling
Structure Type: Open Type
Product Name: Oil Free Air Compressor

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

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

What is a water lubrication air compressor?

A water lubrication air compressor, also known as a water-injected air compressor, is a type of compressor that utilizes water as a lubricant and cooling medium in its operation. Unlike traditional air compressors that rely on oil for lubrication, water lubrication air compressors offer specific advantages and are commonly used in certain applications. Here’s an overview of how water lubrication air compressors work and their key characteristics:

Working Principle:

In a water lubrication air compressor, the compression process involves injecting a controlled amount of water into the compression chamber. The water acts as a lubricant and cooling agent, ensuring smooth operation and preventing excessive heat buildup. As the air is compressed, the water lubricates the internal components, reducing friction and wear.

Advantages:

1. Reduced Environmental Impact: One of the significant advantages of water lubrication air compressors is their reduced environmental impact. These compressors eliminate the need for oil lubrication, resulting in lower oil consumption and the elimination of oil-related contamination risks. This makes them a more environmentally friendly option, particularly in applications where oil contamination must be avoided, such as in food processing or pharmaceutical industries.

2. Enhanced Air Quality: Water lubrication air compressors produce cleaner compressed air compared to oil-lubricated compressors. The absence of oil in the compression process eliminates the risk of oil carryover into the air system. This is essential in applications where clean and oil-free compressed air is required, such as in electronics manufacturing or spray painting.

3. Improved Energy Efficiency: Water lubrication air compressors can offer improved energy efficiency compared to oil-lubricated compressors. The water injected during the compression process helps in cooling the air, reducing the energy required for subsequent cooling and drying processes. This can lead to energy savings and lower operating costs.

4. Lower Maintenance Requirements: Water lubrication air compressors generally have lower maintenance requirements compared to oil-lubricated compressors. The absence of oil means no oil changes or oil filter replacements, simplifying maintenance tasks and reducing costs. However, regular checks and maintenance of the water filtration system are necessary to ensure the water quality and prevent any potential contamination issues.

Applications:

Water lubrication air compressors are commonly used in applications where clean and oil-free compressed air is critical. Some typical applications include:

  • Food and beverage processing
  • Pharmaceutical manufacturing
  • Electronics manufacturing
  • Spray painting and coating
  • Laboratories and research facilities
  • Dental offices

These compressors provide a reliable and environmentally friendly solution for industries and applications that require high-quality compressed air without oil contamination.

China Best Sales 3.4kw 120L Portable silent Oil Free Air Compressor Hb120 for Sale   air compressor portableChina Best Sales 3.4kw 120L Portable silent Oil Free Air Compressor Hb120 for Sale   air compressor portable
editor by CX 2024-02-23

China Standard 50 / 60 Hz Shanghai Factory Water Injected Oil Free Air Compressor for Sale small air compressor

Product Description

Water-lubricated Oil-free Screw Air Compressor Advantages

1.Clean air 100% oil-free
 
2.Use water instead of oil, higher cooling efficiency and compression efficiency
 
3.Optimal isothermal compression
 
4.Powerful MAM microcomputer controller and touch screen
 
5.Reasonable Structure, with perfect balancing
 
6.Components made of anti-rust and anti-corrosion materials ensure the durability
 
7.Significant energy saving, environmental-friendly and pollution-free
 
8.Designed especially for medical, pharmacy, instrument, coating, chemical industry and food processing, etc.

DENAIR Water-lubricated Oil Free Screw Air Compressor In Hannover Messe 2017 

Technical Parameters Of Water-lubricated Oil-free Screw Air Compressor

Model Maximum working 
pressure
Capacity(FAD)* Installed motor
 power
Noise
 Level**
Dimensions
 (mm)
Weight Air Outlet 
Pipe Diameter
50 Hz 60 Hz
bar(e) psig m3/min cfm m3/min cfm kW hp dB(A) L W H kG
DAW-15 7.5 109 2 71 1.48 52 15 20 63 1200 900 1200 650 G1″
8.5 123 1.94 69 1.46 52 15 20 63 1600 1100 1500 650 G1″
10.5 152 1.66 59 1.42 50 15 20 63 1200 900 1200 650 G1″
DAW-18 7.5 109 2.81 99 2.4 85 18.5 25 66 1600 1100 1500 800 G1″
8.5 123 2.7 95 2.33 82 18.5 25 66 1600 1100 1500 800 G1″
10.5 152 2.19 77 1.99 70 18.5 25 66 1600 1100 1500 800 G1″
DAW-22 7.5 109 3.48 123 3.37 119 22 30 66 1600 1100 1500 850 G1″
8.5 123 3.46 122 3.24 114 22 30 66 1600 1100 1500 850 G1″
10.5 152 2.73 96 2.63 93 22 30 66 1600 1100 1500 850 G1″
DAW-30 7.5 109 5.27 186 4.18 148 30 40 69 1600 1100 1500 920 G1-1/2″
8.5 123 5.15 182 4.15 147 30 40 69 1600 1100 1500 920 G1-1/2″
10.5 152 3.55 125 3.28 116 30 40 69 1600 1100 1500 920 G1-1/2″
DAW-37 7.5 109 6.5 229 6.33 223 37 50 69 1600 1100 1500 950 G1-1/2″
8.5 123 6.26 221 6.18 218 37 50 69 1600 1100 1500 950 G1-1/2″
10.5 152 5.21 184 4.26 151 37 50 69 1600 1100 1500 950 G1-1/2″
DAW-45 7.5 109 8.2 289 7.8 275 45 60 69 2200 1400 1800 1700 DN50
8.5 123 7.81 276 7.51 265 45 60 69 2200 1400 1800 1700 DN50
10.5 152 6.23 220 6.25 221 45 60 69 2200 1400 1800 1700 DN50
DAW-45W 7.5 109 8.2 289 7.8 275 45 60 66 2200 1400 1800 1500 DN50
8.5 123 7.81 276 7.51 265 45 60 66 2200 1400 1800 1500 DN50
10.5 152 6.23 220 6.25 221 45 60 66 2200 1400 1800 1500 DN50
DAW-55 7.5 109 9.32 329 7.8 347 55 75 69 2200 1400 1800 1800 DN50
8.5 123 8.86 313 7.51 331 55 75 69 2200 1400 1800 1800 DN50
10.5 152 7.78 275 6.25 264 55 75 69 2200 1400 1800 1800 DN50
DAW-55W 7.5 109 9.32 329 9.84 347 55 75 66 2200 1400 1800 1800 DN50
8.5 123 8.86 313 9.37 331 55 75 66 2200 1400 1800 1800 DN50
10.5 152 7.78 275 7.48 264 55 75 66 2200 1400 1800 1800 DN50
DAW-75 7.5 109 12.41 438 11.19 395 75 100 73 2350 1400 1800 1800 DN50
8.5 123 12.39 438 10.63 375 75 100 73 2350 1400 1800 1800 DN50
10.5 152 10.45 369 9.33 330 75 100 73 2350 1400 1800 1800 DN50
DAW-75W 7.5 109 12.41 438 11.19 395 75 100 71 2200 1400 1800 1800 DN50
8.5 123 12.39 438 10.63 375 75 100 71 2200 1400 1800 1800 DN50
10.5 152 10.45 369 9.33 330 75 100 71 2200 1400 1800 1800 DN50
DAW-90W 7.5 109 16.48 582 15.39 543 90 120 73 2400 1700 1800 1800 DN65
8.5 123 16.36 578 15.24 538 90 120 73 2400 1700 1800 1800 DN65
10.5 152 12.82 453 12.52 442 90 120 73 2400 1700 1800 1800 DN65
DAW-110W 7.5 109 20.45 722 19.78 698 110 150 73 2400 1700 1800 1800 DN65
8.5 123 19.82 100 19.63 693 110 150 73 2400 1700 1800 1800 DN65
10.5 152 15.55 549 15.35 542 110 150 73 2400 1700 1800 1800 DN65
DAW-132W 7.5 109 21.99 776 24.53 886 132 175 76 2400 1700 1800 1800 DN65
8.5 123 21.94 775 23.78 840 132 175 76 2400 1700 1800 1800 DN65
10.5 152 19.79 699 18.66 659 132 175 76 2400 1700 1800 1800 DN65

*) 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)

DENAIR Factory

At DENAIR, we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air products for all industries. All of our products are designed for reliable performance, easy maintenance, and maximum energy efficiency. CHINAMFG has been exporting to more than 90 countries across the globe. We have sales representatives who can speak English, Spanish, French, Russian and Arabic, which makes it easier for our clients from all over the world to interact and negotiate with us. 

 

DENAIR Services

DENAIR Oil Free Screw Air Compressor Application and Installation

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.
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Lubrication Style: Oil-free
Cooling System: Air Cooling/Water Cooling
Power Source: AC Power
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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 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

How Is Water Quality Crucial for the Performance of These Compressors?

Water quality plays a crucial role in the performance of water-lubricated air compressors. The quality of the water used for lubrication directly impacts the efficiency, reliability, and lifespan of these compressors. Here are the key reasons why water quality is essential for optimal compressor performance:

  1. Lubrication effectiveness: Water serves as the lubricant in water-lubricated air compressors. The water forms a protective film between moving parts, reducing friction and wear. However, if the water contains impurities or contaminants, it can compromise the lubricating properties. Impurities like minerals, sediments, or dissolved solids can hinder the formation of an effective lubricating film, leading to increased friction and potential damage to the compressor components.
  2. Corrosion prevention: Water with high mineral content, such as hard water, can promote corrosion within the compressor system. Minerals like calcium and magnesium can react with metal surfaces, leading to rust, scale formation, and degradation of internal components. Corrosion compromises the structural integrity of the compressor, reduces its efficiency, and may result in costly repairs or even premature failure.
  3. Preventing blockages: Poor water quality can result in the accumulation of sediments, debris, or contaminants within the compressor system. These deposits can block water passages, filters, or valves, impeding the flow of water and affecting the overall performance of the compressor. Restricted water flow may lead to inadequate cooling, reduced lubrication, and compromised efficiency.
  4. Preventing fouling and fouling-related issues: Fouling refers to the accumulation of organic or inorganic deposits on heat transfer surfaces, such as heat exchangers or radiators, within the compressor system. Poor water quality can contribute to fouling, reducing heat transfer efficiency and impairing the cooling capacity of the compressor. This can result in elevated operating temperatures, decreased performance, and potential damage to the compressor.
  5. System cleanliness: Clean water is crucial for maintaining a clean and sanitary compressor system, especially in industries like food and beverage or medical applications. Contaminated water can introduce harmful bacteria, microorganisms, or particles into the compressor, posing a risk to product quality, safety, or patient well-being.

To ensure optimal performance and longevity of water-lubricated air compressors, it is important to monitor and maintain the quality of the water used for lubrication. Regular water analysis, proper filtration, and appropriate water treatment measures should be employed to remove impurities, control mineral content, and maintain the desired water quality. By ensuring clean and high-quality water, the compressor can operate efficiently, minimize the risk of component damage, and contribute to a reliable and safe compressed air system.

China Standard 50 / 60 Hz Shanghai Factory Water Injected Oil Free Air Compressor for Sale   small air compressor China Standard 50 / 60 Hz Shanghai Factory Water Injected Oil Free Air Compressor for Sale   small air compressor
editor by CX 2024-02-22