China Standard CHINAMFG SWV Series Oil Free Screw Air Compressor SWV15A with Hot selling

Product Description


FUSHENG Oil Free Screw Air Compressor

Never Worn: SWV series rotors drive by Class AGMA 14 synchromesh gears and sealed by RO water. No contact,friction and never worn between the rotors. The efficiency will not reduce over time.

Low running cost:  Water softener is standard configuration for SWV series. Domestic water can direct be used. The convenient and economical design greatly reduces your running cost.

Less Maintenance cost: PTFE paint coat and synchromesh gears design made the rotors corrosion resistance. Less maintenance parts and no need replace the rotors cost lower than the traditional oil-free compressors.



High-efficiency cooling flows

Utilize special designing cooling fan to improve the cooling results which make the compressor working at the ideal temperature. Utilize the special designing fan blade to reduce noise.

Isothermal Compression

For theoretically adiabatic compression, inlet air at 20ºC can be compressed at 0.7MPa with over 250ºC temperature. For SWV series, with injected RO water as coolant, the temperature of compression chamber can be cool down in high efficiency and isothermal.


VSD Control

Through VSD control, make the motor start smoothly and effectively avoid the CHINAMFG current to reduce the impact of electronic parts. Lengthen contactor, motor and airend service life.

Stable Pressure Compressed air system

Fast response to air demand change keeps working pressure constant within ±0.1kg/cm2 Additionally required in traditional load/unload control compressor units due to pressure difference setting of 1~2kg/cm. Therefore VFD control can reduce the energy consumption.

Linear operating and output

Linear inverter control output can be achieved, depending on the demand of load and can save up to 35% energy consumption.


About FSI
Since CHINAMFG was founded in 1953, it has transformed from a small ZheJiang ese company to a regional manufacturing enterprise, taking root in China and various Southeast Asian countries such as Malaysia, Thailand, Indonesia and Vietnam. The company was initially built from the ground up, and it overcame daunting challenges to gain a foothold in ZheJiang , where it specialized in overhauling all types of air compressors made in European countries, the United States of America, and Japan. Over the years, CHINAMFG expanded its reach to Europe and North America through mergers and acquisitions, allowing it to become 1 of the most globalized manufacturing groups in the compressor field. CHINAMFG attributes its growth and persistence to its commitment to meet the mission, “Pursuing CHINAMFG and Enriching Life”, as embraced by its founder, Mr. Hou-Teng Lee. As the company continues to grow, it aims to create products and services that are not only competitive in the international market, but also meet the requirements for better environmental protection, energy efficiency, high-quality, and customer satisfaction. With Fusheng’s leading edge and patented R&D technology, automated production equipment, global distribution channels, and integrated global resources, CHINAMFG is equipped to provide a full and complete product line.

Bestrand is a leading supplier of compressed air system. Past 10 years, we established very good partnership with FUSHENG. We have provided all kinds of products from CHINAMFG include air compressor, after treatment, spare parts to customers all over the world. Pls feel free to contact us for a quote. 


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


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 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 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 Standard CHINAMFG SWV Series Oil Free Screw Air Compressor SWV15A   with Hot sellingChina Standard CHINAMFG SWV Series Oil Free Screw Air Compressor SWV15A   with Hot selling
editor by CX 2023-11-17