Tag Archives: water lubricated screw compressor

China best 30kw 8bar Kingair Water Lubricated Oil-Free Screw Air Compressor portable air compressor

Product Description

Product Description

Product Introduction

    The Airend of Kingair water lubricated Oil-free CHINAMFG adopts PEEK door rotor, aerospace grade stainless steel rotor and a new production process. Using nano-scale water filter core and Inlet reverse osmosis system, it can provide a stable and qualified lubricating water treatment system for the compressor. The oil-free machine system can change water without stopping according to the set water change cycle, reducing daily maintenance costs and making use more worry-free. The system is simple, reduces parts and failure points, and improves reliability. Low energy consumption, isothermal compression, higher volumetric efficiency, more than 15% energy saving than two-stage compression dry oil-free screw compressor.
 

Detailed Photos

Product Parameters

Model KAW-30A
Power(Kw) 30Kw
Pressure(Bar) 8Bar
Volume flow(m3/min) 5.12m3/min
Air Outlet 1 1/2”
Weight(kg) 1100Kg
Dimension(mm) 1550×1150×1500mm

 

 

 

Certifications

 

 

 

Packaging & Shipping

 

 

 

Installation Instructions

 

 

Company Profile

 

 

    ZheJiang Kingair Industrial Co., Ltd., is the core technology solution provider for compressed gas system solutions, with mature operation experience and excellent brand reputation in the 3 major areas : product system, core technology and solutions.
   
    The company has strong comprehensive strength, the factory is located in Xihu (West Lake) Dis., ZheJiang , covers an area of 30000 square meters, has a strong equipment production capacity. In the course of 20 years of operation and development, we have always adhered to the enterprise spirit of
“professionalism, innovation, energy saving and service”, deeply implemented the strategic policy of environmental protection and low carbon, and realized the construction of high intelligent and efficient air pressure system industry chain.
   
    Kingair focuses on R&D, production and trade, and produces air compressor products with stable overall performance, advanced control system, superior, gas environment, reasonable design, higher efficiency and longer service life.
   
    Each product of the company has passed the IS09000 quality management system certification, European CE, ISO certification, etc., and has established a complete set of mature foreign trade operation system. The products are popular in more than 80 countries and regions in Asia, Europe,Africa and America.

 

FAQ

 

 

Q1. Is KINGAIR trading company or manufacturer ?
A: We are professional manufacturer of screw air compressor, more than 20 years experience.

Q2. How long is KINGAIR delivery time ?
A: KINGAIR standard delivery time is 15 working days after confirmed order.For the other non-standard requirements will be discussed case by case.

Q3. 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 available arrange our engineers to help you training and installation.

Q4. What is the available voltage KINGAIR compressor?
A:KINGAIR available voltage include 380v/50hz/3p,400v/50hz/3p,415v/50hz/3p,220v/60hz/3p,440v/60hz/3p,And
KIGNAIR also supplies the required voltage.

Q5. Do you have any certificate ?
A: Yes, according to customer’s market need, we can offer CE certificate, ISO certificate, etc.

Q6. Do you offer OEM service ?
A: Yes, both OEM & ODM service can be accepted.

Q7. Can KINGAIR machines be run in high temperature environment?What is working temperature range?
A: Yes, KINGAIR machines would run in high temperature environment countries.Such as India, UAE,South Africa, Saudi Arabia, Iraq, Pakistan,etc.

 

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After-sales Service: on Line Technical Support
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Samples:
US$ 12800/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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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 best 30kw 8bar Kingair Water Lubricated Oil-Free Screw Air Compressor   portable air compressorChina best 30kw 8bar Kingair Water Lubricated Oil-Free Screw Air Compressor   portable air compressor
editor by CX 2024-02-21

China Hot selling 37kw (50HP) Ce Approval Water Lubricated VSD Type Oil-Free Screw Air Compressor wholesaler

Product Description


5-4, 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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Payment Method:







 

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

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

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.

China Hot selling 37kw (50HP) Ce Approval Water Lubricated VSD Type Oil-Free Screw Air Compressor   wholesaler China Hot selling 37kw (50HP) Ce Approval Water Lubricated VSD Type Oil-Free Screw Air Compressor   wholesaler
editor by CX 2024-02-09

China Custom Hot Sale! 8-13bar 5.5kw-250kw AC Power Stationary Oil Free Water Lubricated Screw Air Compressor with Great quality

Product Description

 

hot sale! 8-13bar 5.5kw-250kw AC power stationary oil free water lubricated screw air compressor 

1.About GREAT: 

GREAT air compressor, as 1 leading manufacture &exporter for screw air compressor in China. Founded in 1957 years, coving 20000 square meters. With over 200 skilled employees and 20 R&D research engineers, we focus on the research, production, sales and service for screw air compressor and relative products .Our goal is to provide the high grade and most energy saving compressor for the world customer.
    Our main products including screw air compressor, air dryer, air tanker, line filters and other relative compressed air products etc. we passed ISO and CE certificate. Germany standard and 60 years industry experience help us win the domestic and foreign customers praise .From 2016 opened to the world, now exporting to more than 100 countries. We have established a huge sales and service network at home and abroad. We can provide satisfied service such as consulting, training, repairing, spare parts suppling, etc.
 “GREAT” as famous china brand for air compressor, our mission is to become a world-famous high-end brand and service for oversea customers. Welcome more oversea agents, dealers and distributors to join us. We also can do the OEM service for big customers
Accoring to the busniness tenet of “high efficiency,engeryg saving, realiability and durable ” GREAT provide you with high-quality products and timely service as well as customized compressed air system solutions.

2.  performance characteristics for water- lubricated oil free screw air compressor :

3. Advantages for oil-free water lubrication screw air compressor:

1). No oil, cleaner
The whole air compressor does not need to add any lubricating oil inside to make the outlet gas cleaner.
2). Stainless steel, safer
The parts in contact with compressed air in the system are made of 304 or 316 stainless steel to prevent pollution in the compression process and ensure the safety of gas.
3). low speed, high efficiency, more environmental protection
The main engine and motor are connected by elastic coupling, and there is no gearbox and other variable speed device, which makes the main engine and motor rotate at the same speed, reducing noise and vibration less.
The compression temperature of the host machine is about 50ºC, close to isothermal compression, effectively reducing energy consumption.
Using water as a lubricant, the entire life cycle of the equipment does not produce any waste oil discharge.

4).Simple structure and low maintenance cost

The machine structure is simple, easy to maintain, only need to replace the air rate and water filter element, no lubricating oil, greatly reduce the maintenance cost.

4. Details for GREAT oil free water lubricated screw air compressor :

5.Technical Parameters for  oil-free water lubrication screw air compressor:

Model Max work pressure (Mpa) Flow air capacity (m³/min) Motor power  (kw) Noise
(dB)
Pipe dia. Of cooling water Cooling water volume
(T/H)
Lubricate water volume Dimension LXWXH
(mm)
Weight
(kg)
Air outlet
TKW-5VA/W 0.8 0.3~0.78 5.5 58 3/4″ 1.5 10 800x800x1100 460 3/4″
1.0 0.2~0.65
TKW-7VA/W 0.8 0.35~1.17 7.5 58 3/4″ 1.5 10 800x800x1100 510 3/4″
1.0 0.3~1.05
1.25 0.24~0.81
TKW-11VA/W 0.8 0.54~1.65 11 60 1″ 2.5 26 1200x760x1300 620 3/4″
1.0 0.45~1.42
1.25 0.35~1.10
TKW-15VA/W 0.8 0.75~2.43 15 63 1″ 3.5 26 1200x760x1300 670 3/4″
1.0 0.65~2.17
1.25 0.6~1.80
TKW-18VA/W 0.8 0.9~3.13 18.5 65 1″ 4 30 1400x900x1450 730 1″
1.0 0.9~2.82
1.25 0.6~2.05
TKW-22VA/W 0.8 1.1~3.52 22 65 1″ 5 30 1400x900x1450 780 1″
1.0 0.97~3.21
1.25 0.85~2.78
TKW-30VA/W 0.8 1.55~5.12 30 67 1 1/2″ 7 40 1550X1150X1500(A)
1500X1150X1300(W)
1150 1 1/4″
1.0 1.255~4.43
1.25 1.1~3.63
TKW-37VA/W 0.8 1.91~6.30 37 67 1 1/2″ 9 40 1550X1150X1500(A)
1500X1150X1300(W)
1200 1 1/4″
1.0 1.60~5.33
1.25 1.42~4.77
TKW-45VW 0.8 2.5~7.4 45 68 1 1/2″ 10 90 1800x1300x1750(A)
1800x1300x1680(W)
1490 2″
1.0 1.91~6.30
1.25 1.70~5.56
TKW-55VW 0.8 3.0~9.76 55 70 1 1/2″ 12 100 1980x1300x1750(A)
1800x1300x1680(W)
1570 2″
1.0 2.60~8.55
1.25 2.30~7.67
TKW-75VW 0.8 3.95~13.00 75 73 1 1/2″ 18 100 1800x1300x1750(W) 1750 2″
1.0 3.4~11.50
1.25 3.0~9.70
TKW-90VW 0.8 5.0~14.8 90 73 1 1 /2″ 20 120 2200x1550x1800 2450 2 1/2″
1.0 4.30~13.90
1.25 3.72~12.60
TKW-110VW 0.8 6.0~19.85 110 78 2″ 24 120 2200x1550x1800 2580 2 1/2″

 

1.0 5.0~16.66
1.25 4.65~15.56
TKW-132VW 0.8 6.75~23.10 132 78 2″ 30 120 2200x1550X1800 2700 2 1/2″
1.0 6.0~19.97
1.25 5.07~16.90
TKW-160VW 0.8 8.5~28.11 160 80 3″ 35 160 3000X1800X2100 3900 3″
1.0 7.6~25.45
1.25 6.7~22.52
TKW-185VW 0.8 10~33.97 185 80 3″ 38 160 3000X1800X2100 4050 3″
1.0 8.72~29.00
1.25 7.75~25.21
TKW-200VW 0.8 11.2~36.75 200 80 4″ 42 200 3100X1850X2100 4200 4″
1.0 9.68~32.78
1.25 9.2~29.24
TKW-220VW 0.8 12.2~39.67 220 80 4″ 47 200 3100X1850X2100 4400 4″
1.0 11.2~36.75
1.25 9.0~29.63
TKW-250VW 0.8 13.5~43.5 250 80 4″ 53 200 3100X1850X2100 4800 4″
1.0 12.2~39.30
1.25 10.2~34

 

4.Application :

6.Certification :

7. Packing and shipping :

8. FAQ Industrial Lubricated High Pressure Screw Air Compressor
Q1: Are you factory or trade company?  
A1: We are factory.
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: How long will you take to arrange production? 
A4: 380V 50HZ we can delivery the goods within 20 days. Other electricity or other color we will delivery within 30 days.
Q5: Can you accept OEM orders? 
A5: Yes, with professional design team, OEM orders are highly welcome!

9. Contact :

 

/* 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: Water Cooling
Power Source: AC Power
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Twin-Screw Compressor
Customization:
Available

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air compressor

How Do You Ensure Proper Water Lubrication in Air Compressors?

Proper water lubrication in air compressors is essential for maintaining their performance, efficiency, and longevity. Here’s a detailed explanation of how to ensure proper water lubrication:

  1. Use High-Quality Water: Start by using high-quality water for lubrication. Ideally, the water should be clean, free from impurities, and have the appropriate chemical composition. Impurities or contaminants in the water can lead to increased wear, corrosion, and blockages in the compressor. Water treatment or filtration systems may be necessary to ensure the desired water quality.
  2. Monitor Water Supply: Ensure a consistent and adequate water supply to the compressor. Monitor the flow rate and pressure of the water supply to ensure it meets the requirements of the compressor’s lubrication system. Insufficient water flow can lead to inadequate lubrication, increased friction, and potential damage to the compressor components.
  3. Implement Proper Water Cooling: Compressed air generates heat during the compression process, and effective cooling is crucial to maintain safe operating temperatures and proper water lubrication. Ensure that the cooling mechanisms, such as water jackets or external cooling systems, are properly designed and sized to provide adequate cooling capacity. Monitor and control the water temperature to prevent overheating and ensure optimal lubrication.
  4. Optimize Water Distribution: Proper water distribution within the compressor is essential for effective lubrication. Ensure that the water is evenly distributed to all the necessary lubrication points, such as the bearings or other moving parts. Proper design and installation of water distribution systems, including pipes, fittings, and nozzles, are important to achieve uniform water distribution and prevent any dry spots or inadequate lubrication.
  5. Regular Maintenance: Implement a regular maintenance schedule for the water lubrication system. This includes periodic inspection and cleaning of water filters, strainers, or screens to prevent clogging and maintain proper water flow. Check for any leaks or malfunctions in the water distribution system and promptly address them. Regularly monitor water quality and perform any necessary water treatment or filtration to maintain optimal lubrication conditions.
  6. Follow Manufacturer Guidelines: Always follow the manufacturer’s guidelines and recommendations for water lubrication. Manufacturers provide specific instructions regarding water quality, flow rates, cooling requirements, and maintenance procedures for their compressors. Adhering to these guidelines ensures that the compressor operates within its intended parameters and maintains proper water lubrication.

By following these practices, you can ensure proper water lubrication in air compressors, promoting efficient operation, minimizing wear and tear, and extending the lifespan of the equipment. Regular monitoring, maintenance, and adherence to manufacturer guidelines are crucial to optimize water lubrication and overall compressor performance.

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

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 Custom Hot Sale! 8-13bar 5.5kw-250kw AC Power Stationary Oil Free Water Lubricated Screw Air Compressor   with Great qualityChina Custom Hot Sale! 8-13bar 5.5kw-250kw AC Power Stationary Oil Free Water Lubricated Screw Air Compressor   with Great quality
editor by CX 2024-02-05

China wholesaler China Factory Supply 200kw 270HP Oil-Free Water Lubricated Screw Air Compressor supplier

Product Description

China factory supply 200kw 270HP Oil-Free Water Lubricated Screw Air Compressor

1.About GREAT: 

GREAT air compressor, as 1 leading manufacture &exporter for screw air compressor in China. Founded in 1957 years, coving 20000 square meters. With over 200 skilled employees and 20 R&D research engineers, we focus on the research, production, sales and service for screw air compressor and relative products .Our goal is to provide the high grade and most energy saving compressor for the world customer.
    Our main products including screw air compressor, air dryer, air tanker, line filters and other relative compressed air products etc. we passed ISO and CE certificate. Germany standard and 60 years industry experience help us win the domestic and foreign customers praise .From 2016 opened to the world, now exporting to more than 100 countries. We have established a huge sales and service network at home and abroad. We can provide satisfied service such as consulting, training, repairing, spare parts suppling, etc.
 “GREAT” as famous china brand for air compressor, our mission is to become a world-famous high-end brand and service for oversea customers. Welcome more oversea agents, dealers and distributors to join us. We also can do the OEM service for big customers
Accoring to the busniness tenet of “high efficiency,engeryg saving, realiability and durable ” GREAT provide you with high-quality products and timely service as well as customized compressed air system solutions.

2. performance characteristics for water- lubricated oil free screw air compressor :

3. Advantages for oil-free water lubrication screw air compressor:

1). No oil, cleaner
The whole air compressor does not need to add any lubricating oil inside to make the outlet gas cleaner.
2). Stainless steel, safer
The parts in contact with compressed air in the system are made of 304 or 316 stainless steel to prevent pollution in the compression process and ensure the safety of gas.
3). low speed, high efficiency, more environmental protection
The main engine and motor are connected by elastic coupling, and there is no gearbox and other variable speed device, which makes the main engine and motor rotate at the same speed, reducing noise and vibration less.
The compression temperature of the host machine is about 50ºC, close to isothermal compression, effectively reducing energy consumption.
Using water as a lubricant, the entire life cycle of the equipment does not produce any waste oil discharge.

4).Simple structure and low maintenance cost

The machine structure is simple, easy to maintain, only need to replace the air rate and water filter element, no lubricating oil, greatly reduce the maintenance cost.

4. Details for GREAT oil free water lubricated screw air compressor :

5.Technical Parameters for oil-free water lubrication screw air compressor:

Model Max work pressure (Mpa) Flow air capacity (m³/min) Motor power  (kw) Noise
(dB)
Pipe dia. Of cooling water Cooling water volume
(T/H)
Lubricate water volume Dimension LXWXH
(mm)
Weight
(kg)
Air outlet
TKW-5VA/W 0.8 0.3~0.78 5.5 58 3/4″ 1.5 10 800x800x1100 460 3/4″
1.0 0.2~0.65
TKW-7VA/W 0.8 0.35~1.17 7.5 58 3/4″ 1.5 10 800x800x1100 510 3/4″
1.0 0.3~1.05
1.25 0.24~0.81
TKW-11VA/W 0.8 0.54~1.65 11 60 1″ 2.5 26 1200x760x1300 620 3/4″
1.0 0.45~1.42
1.25 0.35~1.10
TKW-15VA/W 0.8 0.75~2.43 15 63 1″ 3.5 26 1200x760x1300 670 3/4″
1.0 0.65~2.17
1.25 0.6~1.80
TKW-18VA/W 0.8 0.9~3.13 18.5 65 1″ 4 30 1400x900x1450 730 1″
1.0 0.9~2.82
1.25 0.6~2.05
TKW-22VA/W 0.8 1.1~3.52 22 65 1″ 5 30 1400x900x1450 780 1″
1.0 0.97~3.21
1.25 0.85~2.78
TKW-30VA/W 0.8 1.55~5.12 30 67 1 1/2″ 7 40 1550X1150X1500(A)
1500X1150X1300(W)
1150 1 1/4″
1.0 1.255~4.43
1.25 1.1~3.63
TKW-37VA/W 0.8 1.91~6.30 37 67 1 1/2″ 9 40 1550X1150X1500(A)
1500X1150X1300(W)
1200 1 1/4″
1.0 1.60~5.33
1.25 1.42~4.77
TKW-45VW 0.8 2.5~7.4 45 68 1 1/2″ 10 90 1800x1300x1750(A)
1800x1300x1680(W)
1490 2″
1.0 1.91~6.30
1.25 1.70~5.56
TKW-55VW 0.8 3.0~9.76 55 70 1 1/2″ 12 100 1980x1300x1750(A)
1800x1300x1680(W)
1570 2″
1.0 2.60~8.55
1.25 2.30~7.67
TKW-75VW 0.8 3.95~13.00 75 73 1 1/2″ 18 100 1800x1300x1750(W) 1750 2″
1.0 3.4~11.50
1.25 3.0~9.70
TKW-90VW 0.8 5.0~14.8 90 73 1 1 /2″ 20 120 2200x1550x1800 2450 2 1/2″
1.0 4.30~13.90
1.25 3.72~12.60
TKW-110VW 0.8 6.0~19.85 110 78 2″ 24 120 2200x1550x1800 2580 2 1/2″

 

1.0 5.0~16.66
1.25 4.65~15.56
TKW-132VW 0.8 6.75~23.10 132 78 2″ 30 120 2200x1550X1800 2700 2 1/2″
1.0 6.0~19.97
1.25 5.07~16.90
TKW-160VW 0.8 8.5~28.11 160 80 3″ 35 160 3000X1800X2100 3900 3″
1.0 7.6~25.45
1.25 6.7~22.52
TKW-185VW 0.8 10~33.97 185 80 3″ 38 160 3000X1800X2100 4050 3″
1.0 8.72~29.00
1.25 7.75~25.21
TKW-200VW 0.8 11.2~36.75 200 80 4″ 42 200 3100X1850X2100 4200 4″
1.0 9.68~32.78
1.25 9.2~29.24
TKW-220VW 0.8 12.2~39.67 220 80 4″ 47 200 3100X1850X2100 4400 4″
1.0 11.2~36.75
1.25 9.0~29.63
TKW-250VW 0.8 13.5~43.5 250 80 4″ 53 200 3100X1850X2100 4800 4″
1.0 12.2~39.30
1.25 10.2~34

 

4.Application :

6.Certification :

7. Packing and shipping :

8. FAQ Industrial Lubricated High Pressure Screw Air Compressor
Q1: Are you factory or trade company?  
A1: We are factory.
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: How long will you take to arrange production? 
A4: 380V 50HZ we can delivery the goods within 20 days. Other electricity or other color we will delivery within 30 days.
Q5: Can you accept OEM orders? 
A5: Yes, with professional design team, OEM orders are highly welcome!

9. Contact :

 

Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Angular
Structure Type: Closed Type
Installation Type: Stationary Type
Customization:
Available

|

air compressor

How Do You Ensure Proper Water Lubrication in Air Compressors?

Proper water lubrication in air compressors is essential for maintaining their performance, efficiency, and longevity. Here’s a detailed explanation of how to ensure proper water lubrication:

  1. Use High-Quality Water: Start by using high-quality water for lubrication. Ideally, the water should be clean, free from impurities, and have the appropriate chemical composition. Impurities or contaminants in the water can lead to increased wear, corrosion, and blockages in the compressor. Water treatment or filtration systems may be necessary to ensure the desired water quality.
  2. Monitor Water Supply: Ensure a consistent and adequate water supply to the compressor. Monitor the flow rate and pressure of the water supply to ensure it meets the requirements of the compressor’s lubrication system. Insufficient water flow can lead to inadequate lubrication, increased friction, and potential damage to the compressor components.
  3. Implement Proper Water Cooling: Compressed air generates heat during the compression process, and effective cooling is crucial to maintain safe operating temperatures and proper water lubrication. Ensure that the cooling mechanisms, such as water jackets or external cooling systems, are properly designed and sized to provide adequate cooling capacity. Monitor and control the water temperature to prevent overheating and ensure optimal lubrication.
  4. Optimize Water Distribution: Proper water distribution within the compressor is essential for effective lubrication. Ensure that the water is evenly distributed to all the necessary lubrication points, such as the bearings or other moving parts. Proper design and installation of water distribution systems, including pipes, fittings, and nozzles, are important to achieve uniform water distribution and prevent any dry spots or inadequate lubrication.
  5. Regular Maintenance: Implement a regular maintenance schedule for the water lubrication system. This includes periodic inspection and cleaning of water filters, strainers, or screens to prevent clogging and maintain proper water flow. Check for any leaks or malfunctions in the water distribution system and promptly address them. Regularly monitor water quality and perform any necessary water treatment or filtration to maintain optimal lubrication conditions.
  6. Follow Manufacturer Guidelines: Always follow the manufacturer’s guidelines and recommendations for water lubrication. Manufacturers provide specific instructions regarding water quality, flow rates, cooling requirements, and maintenance procedures for their compressors. Adhering to these guidelines ensures that the compressor operates within its intended parameters and maintains proper water lubrication.

By following these practices, you can ensure proper water lubrication in air compressors, promoting efficient operation, minimizing wear and tear, and extending the lifespan of the equipment. Regular monitoring, maintenance, and adherence to manufacturer guidelines are crucial to optimize water lubrication and overall compressor performance.

air compressor

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

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

Tire Inflation:

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

Painting and Finishing:

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

Brake and Suspension Systems:

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

Diagnostic and Testing Equipment:

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

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

air compressor

Can Water-Lubricated Air Compressors Be Used in Medical Applications?

Water-lubricated air compressors can be used in certain medical applications, offering specific advantages for these environments. Here are some considerations regarding the use of water-lubricated air compressors in medical settings:

  1. Clean and sterile lubrication: Water is a clean and sterile lubricant, making it suitable for medical applications where maintaining a sterile environment is crucial. Water lubrication helps prevent contamination and ensures the integrity of medical products and procedures.
  2. Reduced risk of oil contamination: Oil-lubricated compressors pose a risk of oil carryover and oil vapor entering the compressed air system. This can be problematic in medical applications, where oil contamination could impact patient safety or interfere with sensitive medical equipment. Water-lubricated compressors eliminate this risk, providing a reliable and oil-free compressed air source.
  3. Compatibility with medical gases: Water-lubricated air compressors are compatible with medical gases such as oxygen or nitrous oxide. Unlike oil lubricants, water does not react or contaminate these gases, ensuring their purity and safety in medical procedures.
  4. Hygienic and easy to clean: Water lubrication simplifies cleaning procedures in medical environments. It does not leave behind sticky residues or require harsh chemicals for cleaning. Water-lubricated compressors can be easily cleaned and maintained, promoting a hygienic and safe medical facility.
  5. Reduced risk of fire hazards: Water has a higher flash point compared to oil lubricants, making water-lubricated compressors safer in terms of fire hazards. In medical settings, where fire safety is critical, using water as a lubricant can provide added peace of mind.
  6. Environmental friendliness: Water is a non-toxic and environmentally friendly lubricant choice. It does not contribute to air or water pollution, aligning with the sustainability goals of medical facilities.

While water-lubricated air compressors offer several advantages for medical applications, it’s important to note that specific requirements and regulations may vary depending on the type of medical procedure or equipment involved. It is advisable to consult with medical professionals or equipment manufacturers to ensure the suitability and compliance of water-lubricated air compressors for specific medical applications.

China wholesaler China Factory Supply 200kw 270HP Oil-Free Water Lubricated Screw Air Compressor   supplier China wholesaler China Factory Supply 200kw 270HP Oil-Free Water Lubricated Screw Air Compressor   supplier
editor by CX 2023-11-27

China factory 185kw 250HP Water Lubricated Direct Driven Oil-Free Single Rotary Screw Air Compressor with Best Sales

Product Description

185kw 250hp Water Lubricated Direct Driven Oil-Free Single Rotary Screw Air Compressor

1.About GREAT: 

GREAT air compressor, as 1 leading manufacture &exporter for screw air compressor in China. Founded in 1957 years, coving 20000 square meters. With over 200 skilled employees and 20 R&D research engineers, we focus on the research, production, sales and service for screw air compressor and relative products .Our goal is to provide the high grade and most energy saving compressor for the world customer.
    Our main products including screw air compressor, air dryer, air tanker, line filters and other relative compressed air products etc. we passed ISO and CE certificate. Germany standard and 60 years industry experience help us win the domestic and foreign customers praise .From 2016 opened to the world, now exporting to more than 100 countries. We have established a huge sales and service network at home and abroad. We can provide satisfied service such as consulting, training, repairing, spare parts suppling, etc.
 “GREAT” as famous china brand for air compressor, our mission is to become a world-famous high-end brand and service for oversea customers. Welcome more oversea agents, dealers and distributors to join us. We also can do the OEM service for big customers
Accoring to the busniness tenet of “high efficiency,engeryg saving, realiability and durable ” GREAT provide you with high-quality products and timely service as well as customized compressed air system solutions.

2. performance characteristics for water- lubricated oil free screw air compressor :

3. Advantages for oil-free water lubrication screw air compressor:

1). No oil, cleaner
The whole air compressor does not need to add any lubricating oil inside to make the outlet gas cleaner.
2). Stainless steel, safer
The parts in contact with compressed air in the system are made of 304 or 316 stainless steel to prevent pollution in the compression process and ensure the safety of gas.
3). low speed, high efficiency, more environmental protection
The main engine and motor are connected by elastic coupling, and there is no gearbox and other variable speed device, which makes the main engine and motor rotate at the same speed, reducing noise and vibration less.
The compression temperature of the host machine is about 50ºC, close to isothermal compression, effectively reducing energy consumption.
Using water as a lubricant, the entire life cycle of the equipment does not produce any waste oil discharge.

4).Simple structure and low maintenance cost

The machine structure is simple, easy to maintain, only need to replace the air rate and water filter element, no lubricating oil, greatly reduce the maintenance cost.

4. Details for GREAT oil free water lubricated screw air compressor :

5.Technical Parameters for oil-free water lubrication screw air compressor:

Model Max work pressure (Mpa) Flow air capacity (m³/min) Motor power  (kw) Noise
(dB)
Pipe dia. Of cooling water Cooling water volume
(T/H)
Lubricate water volume Dimension LXWXH
(mm)
Weight
(kg)
Air outlet
TKW-5VA/W 0.8 0.3~0.78 5.5 58 3/4″ 1.5 10 800x800x1100 460 3/4″
1.0 0.2~0.65
TKW-7VA/W 0.8 0.35~1.17 7.5 58 3/4″ 1.5 10 800x800x1100 510 3/4″
1.0 0.3~1.05
1.25 0.24~0.81
TKW-11VA/W 0.8 0.54~1.65 11 60 1″ 2.5 26 1200x760x1300 620 3/4″
1.0 0.45~1.42
1.25 0.35~1.10
TKW-15VA/W 0.8 0.75~2.43 15 63 1″ 3.5 26 1200x760x1300 670 3/4″
1.0 0.65~2.17
1.25 0.6~1.80
TKW-18VA/W 0.8 0.9~3.13 18.5 65 1″ 4 30 1400x900x1450 730 1″
1.0 0.9~2.82
1.25 0.6~2.05
TKW-22VA/W 0.8 1.1~3.52 22 65 1″ 5 30 1400x900x1450 780 1″
1.0 0.97~3.21
1.25 0.85~2.78
TKW-30VA/W 0.8 1.55~5.12 30 67 1 1/2″ 7 40 1550X1150X1500(A)
1500X1150X1300(W)
1150 1 1/4″
1.0 1.255~4.43
1.25 1.1~3.63
TKW-37VA/W 0.8 1.91~6.30 37 67 1 1/2″ 9 40 1550X1150X1500(A)
1500X1150X1300(W)
1200 1 1/4″
1.0 1.60~5.33
1.25 1.42~4.77
TKW-45VW 0.8 2.5~7.4 45 68 1 1/2″ 10 90 1800x1300x1750(A)
1800x1300x1680(W)
1490 2″
1.0 1.91~6.30
1.25 1.70~5.56
TKW-55VW 0.8 3.0~9.76 55 70 1 1/2″ 12 100 1980x1300x1750(A)
1800x1300x1680(W)
1570 2″
1.0 2.60~8.55
1.25 2.30~7.67
TKW-75VW 0.8 3.95~13.00 75 73 1 1/2″ 18 100 1800x1300x1750(W) 1750 2″
1.0 3.4~11.50
1.25 3.0~9.70
TKW-90VW 0.8 5.0~14.8 90 73 1 1 /2″ 20 120 2200x1550x1800 2450 2 1/2″
1.0 4.30~13.90
1.25 3.72~12.60
TKW-110VW 0.8 6.0~19.85 110 78 2″ 24 120 2200x1550x1800 2580 2 1/2″

 

1.0 5.0~16.66
1.25 4.65~15.56
TKW-132VW 0.8 6.75~23.10 132 78 2″ 30 120 2200x1550X1800 2700 2 1/2″
1.0 6.0~19.97
1.25 5.07~16.90
TKW-160VW 0.8 8.5~28.11 160 80 3″ 35 160 3000X1800X2100 3900 3″
1.0 7.6~25.45
1.25 6.7~22.52
TKW-185VW 0.8 10~33.97 185 80 3″ 38 160 3000X1800X2100 4050 3″
1.0 8.72~29.00
1.25 7.75~25.21
TKW-200VW 0.8 11.2~36.75 200 80 4″ 42 200 3100X1850X2100 4200 4″
1.0 9.68~32.78
1.25 9.2~29.24
TKW-220VW 0.8 12.2~39.67 220 80 4″ 47 200 3100X1850X2100 4400 4″
1.0 11.2~36.75
1.25 9.0~29.63
TKW-250VW 0.8 13.5~43.5 250 80 4″ 53 200 3100X1850X2100 4800 4″
1.0 12.2~39.30
1.25 10.2~34

 

4.Application :

6.Certification :

7. Packing and shipping :

8. FAQ Industrial Lubricated High Pressure Screw Air Compressor
Q1: Are you factory or trade company?  
A1: We are factory.
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: How long will you take to arrange production? 
A4: 380V 50HZ we can delivery the goods within 20 days. Other electricity or other color we will delivery within 30 days.
Q5: Can you accept OEM orders? 
A5: Yes, with professional design team, OEM orders are highly welcome!

9. Contact :

 

Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Stationary Type
Customization:
Available

|

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 Are Water-Lubricated Air Compressors Used in Automotive Applications?

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

Tire Inflation:

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

Painting and Finishing:

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

Brake and Suspension Systems:

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

Diagnostic and Testing Equipment:

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

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

air compressor

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 factory 185kw 250HP Water Lubricated Direct Driven Oil-Free Single Rotary Screw Air Compressor   with Best SalesChina factory 185kw 250HP Water Lubricated Direct Driven Oil-Free Single Rotary Screw Air Compressor   with Best Sales
editor by CX 2023-11-21