We proudly introduce our premium, water-lubricated, oil-free compressor, a revolutionary product in compressed air technology. This Class 0 oil-free compressor is designed to provide 100% oil-free air, ensuring the highest purity for your application.
This oil-free compressor marks the beginning of a purer era for industrial power media systems. It transcends traditional "water-for-oil" technology and achieves a fundamental shift in the base medium: high-purity water, meeting drinking-quality standards, serves as the core lubricant and sealing medium. Through a systematic structural redesign, a dynamic water film forms within the compression chamber, completely isolating oil from the air. The resulting output air contains no more than 0.01ppm oil, achieving ISO 8573-1 Class 0 absolute oil-free standards, redefining the purity standard for industrial compressed air.
Whether youx27re in the medical, food and beverage, or electronics industries, our water-lubricated, oil-free compressor is the perfect solution for your compressed air needs. With its reliable performance and superior quality, this compressor is sure to exceed your expectations.
Experience the benefits of clean, oil-free air delivered by our water-lubricated, oil-free compressors. Say goodbye to contamination risks and hello to peace of mind. Upgrade to our compressor now and experience its exceptional performance for yourself!
Our technology architecture is built on interdisciplinary integration: leveraging waterx27s high specific heat capacity and latent heat of vaporization to create a highly efficient thermal management system. The compression process temperature is precisely controlled below 80°C, improving system cooling efficiency by over 30% and reducing energy consumption by 18-36% compared to traditional oil-lubricated systems. Crucially, thanks to hydrodynamic lubrication and a mechanically balanced rotor system, we achieve near-zero wear on the friction pairs, significantly improving equipment reliability and lifespan.
This technological paradigm shift has reshaped the value chain at the system level. By completely eliminating lubricants and related filter media, annual maintenance costs can be reduced to less than 20% of traditional systems, while completely eliminating the environmental compliance risks and hidden costs associated with waste oil disposal. This significantly reduces total cost of ownership (TCO) and carbon footprint, making it a key component of industrial energy conservation and carbon reduction efforts under ESG targets.
Due to its absolute medium purity and system stability, this equipment has become the "invisible foundation" of high-end manufacturing processes: protecting delicate circuits from oil and gas molecule contamination in semiconductor chip manufacturing; ensuring sterility during fermentation and filling processes in the biopharmaceutical industry; safeguarding end-product safety in the food industry; and preventing electrode contamination in new energy vehicle battery manufacturing. It is also finding deep integration into fields with stringent gas quality requirements, such as medical respirators, chemical catalysis, aerospace, and precision instrumentation.
Customers rave about the efficiency and reliability of our water-lubricated, oil-free compressors. Join countless satisfied users who have chosen our top-tier compressors and experience their exceptional performance firsthand.
An oil-free air compressor is more than just a technological product; it embodies a new industrial ethic—embedding the concepts of "zero pollution," "low carbon throughout the lifecycle," and "full control of production" at the source of industrial power, driving the manufacturing industry toward a cleaner, more efficient, and more sustainable future. It provides more than just compressed air; it provides a fundamental solution for industrial upgrading.
Q1. What is a water-lubricated air compressor and how does it work? +
It is an oil-free Rotary Screw Compressor in which the compression chamber is sealed, cooled and lubricated by pure water instead of oil. The screw elements are made of corrosion-resistant materials, and water is separated and recirculated after compression, delivering 100% oil-free compressed air — the purest output available from a Screw Compressor.
Q2. What air quality does it deliver? +
The water-lubricated design guarantees oil-free air to ISO 8573-1 Class 0, meaning no oil contamination of any kind. Water remaining in the air is easily removed by the integrated separator and optional dryer, making it ideal for the most demanding applications.
Q3. Which industries use water-lubricated compressors? +
Any process that requires completely oil-free air: food & beverage processing and bottling, pharmaceuticals and biotechnology, PET bottle blowing, electronics and semiconductors, chemical, textile, and sensitive packaging lines. It is also widely used where oil-lubricated compressors are prohibited by regulation or quality standards.
Q4. Why choose water-lubricated instead of oil-lubricated? +
An oil-lubricated unit always carries a risk of oil carryover, no matter how good the filtration. Water-lubricated compressors eliminate oil from the compression process completely, so you get Class 0 air without expensive downstream filtration — lower contamination risk, lower maintenance and no oil disposal cost.
Q5. Why choose water-lubricated instead of dry oil-free screw compressors? +
Water provides excellent sealing and cooling inside the compression chamber, so water-lubricated units are significantly more energy efficient than dry-running screw compressors — often 15–20% lower energy consumption. They also run cooler, quieter and more reliably over long duty cycles, with lower total cost of ownership.
Q6. How is the water managed — what maintenance is involved? +
The water is separated, cooled and recirculated inside the machine with automatic make-up. Maintenance includes periodic water replacement (typically every 2,000–4,000 hours) and checking the water level, filters and separator. We supply a full maintenance kit and clear schedule, so the workload is simple and low-cost.
Q7. What water quality is required? +
Our system is designed to work with purified or deionized water, and we can provide an optional water treatment or dosing system. The machine monitors water conductivity and flow automatically, and the controller prompts you when water replacement or service is needed, protecting the screw elements for a long service life.
Q8. What pressure and capacity ranges do you offer? +
Our water-lubricated series typically covers 8–10 bar with capacities from about 1.5 to 15 m³/min, covering mid-size and large-scale clean air demands. Confirm your required flow, pressure and working hours and we will recommend the best model, including tank and dryer packages.
Q9. Do you support customization and OEM/ODM? +
Yes. As the manufacturer, we support voltage/frequency customization (220V/380V/415V, 50/60Hz), pressure settings, drying and filtration configurations, control systems, color, and OEM/ODM branding with your logo and packaging. Skid-mounted and container-type solutions are also available for large projects.
Q10. What certifications and after-sales support do you provide? +
Our factory is ISO 9001 certified and the machines carry CE certification, with additional certificates (e.g. food-grade or country-specific) available on request. We offer a 12-month warranty (extendable), 24/7 remote technical support, installation guidance, and long-term spare parts supply with fast dispatch.
Q11. How much energy can I save compared with a dry oil-free compressor? +
Because water seals and cools the compression chamber more effectively than air, water-lubricated units typically consume 15–20% less energy than equivalent dry-running oil-free screw compressors. Over a machine's lifetime, energy represents the largest operating cost, so this saving usually covers the price difference within the first 1–2 years of operation.
Q12. How noisy is the water-lubricated compressor? +
Water cooling keeps the compression temperature low and operation smooth, so these units are noticeably quieter than dry oil-free types — typically 65–75 dB(A) with the soundproof enclosure, and lower for smaller models. No special soundproofing room is required for most production environments.
Q13. Do I still need a dryer and filters? +
The compressor delivers oil-free air at the source, but for most processes we still recommend a refrigerated dryer to remove water vapor if the application is moisture-sensitive, and a particulate filter at the point of use. We supply complete packages — compressor, dryer, receiver tank and filtration — so you receive a turnkey clean air system sized to your required air quality class.
Q14. What are the installation requirements? +
Installation is similar to a standard screw compressor: a level floor with adequate clearance for ventilation and service access, plus power, air piping and a condensate drain connection. We provide a full installation manual and commissioning guide, and our engineers offer remote video guidance for first startup.
Q15. What is the lead time and how is it shipped? +
Standard models ship within 15–30 days after order confirmation; customized units take 30–45 days depending on configuration. Every machine is export-packed in reinforced wooden/steel crates suitable for sea freight, and we handle all export documentation for FCL or LCL shipment.
Q16. How long will spare parts be available? +
We stock all wearing parts — water filters, air filters, seals, separators and controller components — and guarantee parts supply for over 10 years after purchase, with most common parts dispatched within 3–7 days. This keeps your machine running with minimal downtime.
Q17. What is the MOQ and payment method? +
MOQ is flexible and depends on the model — typically 1 unit for standard models. We accept T/T, L/C and Alibaba Trade Assurance; the process is simple: configuration confirmation → proforma invoice → payment → production with progress updates → inspection → shipment.
Q18. Can it operate in hot or humid environments? +
Yes. Our standard units are rated for ambient temperatures up to 40–45°C, and high-temperature versions are available for tropical or foundry conditions. In humid climates, the integrated moisture separator and a correctly sized dryer ensure stable air quality. Tell us your site conditions and we'll configure the right package.
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