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Water-lubricated Oil-free Air Compressor

Experience breakthrough compressed air purity with Luoyou's water-lubricated oil-free screw compressors – where innovative H₂O lubrication technology delivers absolute contamination-free air while revolutionizing environmental sustainability.


Revolutionary Water Lubrication Engineering

Our water-lubricated air compressor systems utilize precision-engineered water films to eliminate oil contamination entirely, achieving ISO 8573-1 Class 0 certification through molecular-level air purity. Advanced closed-loop water circulation provides superior thermal management, extending equipment life by 40% while delivering continuous 24/7 operation capability.


Core Technology Benefits:
✓ Absolute Zero Oil Contamination – Water barrier technology ensures 100% oil-free air output
✓ Enhanced Thermal Efficiency – Water's superior heat capacity reduces compression temperatures by 30-40°C
✓ Sustainable Operation – Biodegradable water lubricant eliminates hazardous waste streams
✓ Smart Integration – Compatible with VFD technology and precision air treatment systems


Critical Applications:

  • Pharmaceutical Manufacturing: Sterile production, tablet coating, cleanroom pressurization

  • Food & Beverage: Direct contact applications, carbonation, packaging systems

  • Medical Devices: Respiratory equipment, surgical instruments, hospital pneumatics

  • Electronics: Semiconductor fabrication, precision assembly operations


Why Choose Water Lubrication Technology:
Shanghai-engineered innovation delivering 15% higher efficiency than traditional oil-free designs, with FDA compliance documentation and comprehensive environmental certifications supporting your sustainability goals.

Discover how water lubrication technology transforms air purity standards while advancing environmental responsibility.


  • Oil-free Water Lubricated Screw Air Compressor
    Eco-Conscious Water-Lubricated Air Compressor
    Brief:
    Marine, hydropower, and processing plants tire of oil leaks and constant filter changes. Luoyou's water-lubricated compressor uses water as both lubricant and coolant, generating oil-free air through near-isothermal compression that keeps energy bills low. Symmetrical rotors cut bearing load, extending service life, while automatic separation and drying deliver consistent purity. CE-marked models span 5.5-250 kW from the ISO 9001 certified Shanghai plant. Request an installation assessment.
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  • video EcoAir Water-Lubricated, Oil-Free Compressor
    EcoAir Water-Lubricated, Oil-Free Compressor
    Brief:
    Industrial buyers replacing oil-lubricated screw compressors face energy waste and disposal costs. Luoyou's oil-free screw compressor injects deionized water as lubricant and coolant, achieving TÜV Class 0 air below 0.001 ppm oil. Direct-drive PM motors cut electricity 30-40%; 10,000-hour service intervals keep upkeep to annual water checks. Flow spans 1.10-42.6 m³/min at 8-10 bar. CE and ISO 9001 certification back this Shanghai exporter. Ask for load-profile pricing.
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  • Oil-free water lubricated air compressor Introduction
    Eco-Silent High-Purity Water-Lubricated Compressor
    Brief:
    Food and pharma plants reject oil carryover in compressed air. Luoyou's high-purity water-lubricated compressor replaces oil with purified water, delivering 0 ppm oil output meeting ISO 8573-1 Class 0. Nano-ceramic cylinders and stainless steel rotors survive tens of thousands of operating hours, while water cooling keeps running costs below oil-lubricated designs. Production spans 5.5 kW to 250 kW, all CE certified. Send your duty cycle for sizing.
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  • Oil-free Water Lubricated Screw Air Compressor
    Oil-Free Water-Lubricated Screw Air Compressor for Food Pharmaceutical Electronics
    Brief:
    The Oil-free Water Lubricated Screw Air Compressor represents a remarkable innovation in air compression technology. Distinguished by its water - lubricated system, it completely eradicates the necessity for oil during the compression process, guaranteeing a 100% oil - free and clean air output.
    This compressor is equipped with a pair of precisely designed helical rotors. As they rotate, water is injected into the compression chamber, serving as both a lubricant and a coolant. This dual - function of water not only ensures smooth operation of the rotors but also effectively controls the temperature rise during compression, enhancing the overall efficiency of the compressor.
    One of its most significant advantages is its suitability for applications with stringent air purity requirements. Industries such as food and beverage, pharmaceuticals, and electronics can rely on this compressor to provide contamination - free air, ensuring product quality and safety. Additionally, the water - lubricated system results in lower maintenance costs, as there is no need to replace oil filters or deal with oil - related issues. With its high - efficiency operation, low - noise performance, and environmental - friendliness, the Oil-free Water Lubricated Screw Air Compressor is an excellent choice for modern industrial needs.
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  • Clean-Output Oil-Free Air Compressor
    Oil Free Air Compressor
    Brief:
    Upgrade your industrial air supply system with our high-performance Class 0 oil-free air compressor, professionally designed for industries requiring ultra-clean compressed air. Different from traditional oil-injected compressors, our full oil-free design completely eliminates oil contamination, fully complying with international air quality standards and passing strict TÜV Class 0 certification, ensuring pure and safe compressed air for high-standard production processes.
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