Shanghai Donglai Air Motive Equipment Co., Ltd.

Tel : +86-15026767628

E-mail : sales@shdonglai.com

Home >Water-lubricated Oil-free Air Compressor > 11~250kw Water-lubricated Oil-free Air Compressor

Standard VSD Air Compressor

Water-lubricated Oil-free Air Compressor
  • Air End

    - High-quality stainless steel housing for oil-water-free compressor, with no risk of corrosion on the inside and outside of the head

    - An air chamber is designed between the mechanical shaft seal and the bearing for high-performance grease bearing to keep the compression chamber clean, prevent the influence of water and vacuum pressure on the bearing in the compression chamber, and improve the reliability.

    - The symmetry of the structure and the possibility of setting the reflow hole enable the radial and axial forces generated during the operation of the single-screw compressor to be completely balanced.Therefore, the rotor bearing load is very small, can operate for 50,000 hours;The star wheel made of resin material can be used for 25,000 to 30,000 hours, and the design life of the compressor is up to 300,000 hours.



  • Motor

    - The frame and end cover of the motor are made of cast iron to make the gap between the rotor and the spindle even;

    - The design speed, torque and operating parameters all meet the load requirements of the compressor;

    - SKF heavy-duty bearing is adopted in the design, which greatly increases the stability and service life of the motor;

    - The high-efficiency motor adopts f-grade insulation and b-grade temperature rise, so it has a longer service life and can adapt to harsh environment;


  • Oil Vessel:

    - Best materials, highest reliability.

    - Stainless steel to prevent any corrosion.

    - Unique spiral separation design to ensure water vapor separation.


  • Water Filters

    - Stainless steel to prevent any corrosion

    - Unique spinning design to ensure water vapor separation

    - Three level induction alarm so that more water is discharged or less water is replenished through the system


Oil-free Water-lubricated Air Compressor Advantages:

  • Clean air 100% oil-free.

  • Optimal isothermal compression.

  • Powerful MAM microcomputer controller and touch screen.

  • Components made of anti-rust and anti-corrosion materials ensure the durability.

  • Reasonable Structure, with perfect balancing.

  • Sianificant energy saving, environmental-friendly and pollution-free.



11~250kw Water-lubricated Oil-free Air Compressor

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11~250kw Water-lubricated Oil-free Air Compressor

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  • ZIQI Compressor (Shanghai) Co., Ltd. is widely used in iron and steel, electricity, metallurgy, shipbuilding, textile, electronics, chemical, petroleum, mining, light industry, machinery manufacturing, paper printing, transportation facilities, food medicine, casting spray, marine terminals, military technology, automotive, aerospace, infrastructure and other fields.



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Shanghai Donglai Air Motive Equipment Co., Ltd.
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Shanghai Donglai Air Motive Equipment Co., Ltd.