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Water-injected Oil-free Air Compressors


Power: 5.5~250KW  

Air flow: 0.65~44.78m³/min 

Working pressure: 0.8~1.25Mpa


Our water-injected compressors produce clean and oil-free compressed air, making them crucial for industries like pharmaceuticals, food and beverage, electronics, and medical applications. They are environmentally friendly, energy efficient, and offer reliable performance with effective cooling. These compressors deliver high-quality compressed air by removing impurities. With reduced maintenance requirements and easy installation, they are suitable for various applications in pharmaceuticals, food and beverage, electronics, medical equipment, laboratories, and air quality control.


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Efficient airend

Wanzlai water lubricated screw main machine: PEEK(super strength, super wear resistant molecular material) door rotor aerospace grade stainless steel rotor and a new production process, harsh perfect.

Permanent magnet motor

1. 1E4 ultra-efficient permanent magnet motor;

2. the rotor inertia is very small, fast response speed;

3. ultra-high intrinsic coercivity rare earth permanent magnet materials, strong anti-magnetic ability.

Intake valve

Professional design of the new type of integrated intake valve, intake adjustment range is wide, volume valve regulation, pressure loss is small, stable action long life, the key parts of the intake valve solenoid

valve adopted international famous brand, to ensure the absolute operation of screw compressor safety and economic control.

SKF bearing 

Compared with other brand bearings, SKF bearings have good wear resistance, excellent fatigue resistance, strong corrosion resistance and comfortable silence which makes permanent magnet synchronous

inductive motor have longer life, higher reliability and lower noise.

Man-machine interface system

1, Chinese (English) display, light touch button, menu operation intuitive, fast, convenient;

2. It can preset and control the delay time of star triangle transformation, start, load, stop and overpressure during operation;

3. can display and handle all kinds of on-site faults;

 Water softener

The ion exchange principle is applied to remove the scale factor in water, effectively prevent the system from producing scale, and the maintenance cost is low.

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  • Outside of air compressor
  • What are the main applications of air compressors?

    Air compressors find applications in various industries, including Pneumatic Tools,Industrial Manufacturing,HVAC Systems,Painting and Finishing,Chemical and Pharmaceutical Industries,Food and Beverage Industry Oil and Gas Industry,Mining and Construction,Wastewater Treatment,Dental and Medical Applications:

    How do I choose the right size of an air compressor for my needs?

    The right size of the air compressor depends on the air demand of your tools or equipment. Consider factors like horsepower,required pressure, free air delivery(CFM or m³/min),and any additional future requirements.
  • Outside of air compressor
  • Outside of air compressor
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    Air Compressor in Color Sorting Industry

    Since the 1930s, for the sake of human health and safety, improve the quality of food, color sorter gradually appeared in front of the world. After a long process of development, color sorter has been updated, and extended to agriculture, industry and other fields, and its functions are constantly optimized.

    With the impact of food quality on life, color sorter has ushered in a rapid development era. The global demand for color sorter is mainly concentrated in Southeast Asia and South Asia, including China, India, Indonesia, Vietnam and Thailand.

    With the development of science and technology, color sorter is gradually applied to all aspects of life. Its traditional application fields are mainly concentrated in rice, coarse cereals, tea and other agricultural products finishing fields. Now it gradually infiltrates into the fields of industrial plastics and ores. Among them, seafood, jewelry and metal industries are also gradually involved in color sorter.

    It can meet the color selection requirements of more than 7000 kinds of products such as rice, tea, beans, medicinal materials, seeds, shrimps, nuts, all kinds of dry goods, plastics, jewelry, ores and other special materials.

    Color separation technology will develop from macro identification to micro identification, and develop equipment in the fields of food intrinsic toxin detection, pesticide residue detection, heavy metal detection, additive detection, and on-line composition analysis, so as to ensure food safety more comprehensively. These industries all need air compressors.

    How is the air compressor applied in the color sorting industry?

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    Air Compressor in Color Sorting Industry

    Since the 1930s, for the sake of human health and safety, improve the quality of food, color sorter gradually appeared in front of the world. After a long process of development, color sorter has been updated, and extended to agriculture, industry and other fields, and its functions are constantly optimized.

    With the impact of food quality on life, color sorter has ushered in a rapid development era. The global demand for color sorter is mainly concentrated in Southeast Asia and South Asia, including China, India, Indonesia, Vietnam and Thailand.

    With the development of science and technology, color sorter is gradually applied to all aspects of life. Its traditional application fields are mainly concentrated in rice, coarse cereals, tea and other agricultural products finishing fields. Now it gradually infiltrates into the fields of industrial plastics and ores. Among them, seafood, jewelry and metal industries are also gradually involved in color sorter.

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