Water-Lubricated Oil-free Screw Air Compressor
Why Choose Us – Water-Lubricated Oil-free Screw Air Compressor Supplier
Xiamen HighQ Compressor Co., Ltd is a leading manufacturer specializing in water-lubricated oil-free screw air compressors. With over 20 years of experience, we are committed to delivering high-efficiency, energy-saving, and environmentally friendly air compressor solutions to clients worldwide.
Hight quality
Each compressor undergoes strict quality control to meet international standards.
standardized production
Our factory is equipped with precision CNC machines and automated assembly lines.
Professional Team
Experienced engineers and technicians provide technical support and custom solutions.
One-stop Solution
Comprehensive solutions from product selection to installation and after-sales.
What is Water-Lubricated Oil-free Screw Air Compressor
A water-lubricated oil-free screw air compressor is an advanced type of industrial compressor that uses water instead of oil as the lubricant for the screw rotors. This unique design eliminates the risk of oil contamination in compressed air, making it ideal for applications where air purity is critical. By utilizing water lubrication, the compressor reduces maintenance needs, lowers operational costs, and provides energy-efficient performance.
Water-lubricated compressors are widely applied in industries such as pharmaceuticals, food and beverage processing, electronics manufacturing, and chemical production. Their environmentally friendly design ensures minimal environmental impact, while robust construction guarantees reliable performance even under continuous heavy-duty industrial operation. The compressors are engineered to provide quiet, low-vibration operation and long-term stability, which is essential for sensitive industrial environments.
cals, food processing, electronics, and chemical manufacturing.
Oil-free Air Production
Environmental Compliance
Wide Industry Application
High quality
quick delivery for
advanced equipment
professional team
one-stop solution
Components / Structure
Water-lubricated oil-free screw air compressors are composed of carefully engineered components designed to ensure optimal performance, reliability, and long-term durability. The main structural elements include the air-end screw assembly, water lubrication system, motor, control panel, tank, and optional dryers or filters. Each component is designed to maximize efficiency while ensuring contamination-free operation.
Air-End Screw Assembly:
This is the core compression component. The precision-machined rotors ensure high volumetric efficiency, minimize air pulsation, and maintain stable airflow even under varying load conditions. Its design ensures that the compressor delivers consistent performance over prolonged operating hours, reducing the need for frequent maintenance.
Water Lubrication System
Provides both cooling and lubrication simultaneously. The system circulates filtered water to absorb heat generated during compression, preventing overheating and reducing mechanical wear. By eliminating oil, it ensures contamination-free air, which is critical for industries like food, pharmaceuticals, and electronics.
Motor & Drive System
High-efficiency motors, either direct-coupled or belt-driven, provide reliable mechanical power to the screw assembly. The system is designed to operate continuously while minimizing energy losses, maintaining quiet and vibration-free operation.
Control Panel & Sensors
Equipped with real-time monitoring capabilities, the control system tracks temperature, pressure, water flow, and operational hours. Advanced diagnostics allow predictive maintenance, reducing downtime and preventing unexpected failures in critical applications.
Specifications Explanation
Understanding the specifications of a water-lubricated oil-free screw compressor is critical for proper selection and operation. Key parameters include rated power, pressure, airflow, rotor speed, motor type, and noise level. Each parameter affects performance, efficiency, and suitability for specific applications. For example, higher rotor speeds can deliver greater airflow but require enhanced cooling systems to maintain reliability.
Specifications also include the water flow rate, cooling capacity, and filtration efficiency, which impact the quality of the compressed air. Proper interpretation of these parameters ensures optimal energy use, minimizes maintenance, and maximizes service life. Clients can compare models based on airflow requirements, duty cycles, and installation space. Comprehensive understanding enables engineers to choose the right configuration for their operational needs.
Comparison With Other Products
Water-lubricated oil-free screw compressors outperform traditional oil-lubricated compressors, piston compressors, and independent air systems in several ways. Unlike oil-lubricated compressors, they provide completely oil-free air, eliminating contamination risks and simplifying regulatory compliance. Compared to piston compressors, they deliver continuous airflow with less vibration and lower noise, making them suitable for sensitive environments.
Energy efficiency is significantly improved due to water-lubricated rotors, reducing electricity costs. Maintenance is simplified, eliminating oil changes and reducing downtime. Their modular design allows easy scalability, whereas conventional systems may require extensive retrofitting. Overall, they provide a reliable, cost-effective, and sustainable alternative for modern industrial applications.
Comparison Points:
Oil-Free Air Quality vs Oil-Lubricated: Water-lubricated compressors guarantee contamination-free output, critical for food, pharmaceutical, and electronics applications.
Energy Efficiency vs Piston Compressors: Lower friction and continuous operation reduce energy consumption by up to 30%, improving operational savings.
Noise & Vibration: Significantly quieter than piston-based or independent systems, enhancing workplace safety and comfort.
Maintenance & Reliability: Eliminates oil maintenance, reducing downtime and labor costs compared to traditional oil-lubricated systems.
Scalability & Modularity: Easily expandable for increased production demand, whereas conventional systems may require complex modifications.
Environmental Impact: Eliminates oil disposal issues and reduces emissions, supporting sustainability objectives.
Durability & Lifespan: Corrosion-resistant materials and water-lubricated design extend component life beyond traditional compressors.
Integration with Automation: Compatible with intelligent control systems for monitoring and predictive maintenance.
Certifications
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HighQ Compressor holds multiple international certifications that demonstrate our commitment to superior product quality, safety, environmental responsibility, and global compliance. These certifications allow our products to enter international markets smoothly, ensuring customers receive reliable and industry-approved compressors.
1. CE Certification for EU Market Compliance
CE certification confirms that our compressors meet the European Union’s rigorous directives covering mechanical safety, electrical protection, electromagnetic compatibility, and environmental standards. Every machine is inspected according to relevant EU norms before approval. This certification ensures that HighQ compressors can be sold and operated safely in all EU member states, giving European customers strong confidence in compliance and reliability.
2. ISO 9001 Quality Management System
The ISO 9001 standard verifies that our manufacturing, documentation, inspection, and service processes follow globally accepted quality practices. It ensures product consistency, stable production management, and continuous performance improvement. With this system, every compressor is tracked and evaluated through strict production stages, guaranteeing stable output and long-term durability.
3. ISO 14001 Environmental Management System
ISO 14001 certifies our commitment to environmental protection during production. We adopt environmentally friendly materials, reduce waste emissions, optimize energy consumption, and follow green manufacturing principles throughout the supply chain. This certification ensures our production process aligns with global environmental responsibility standards.
4. SGS Third-Party Verification
SGS certification further validates that our compressors comply with international standards and pass independent reliability evaluations. SGS performs in-depth checks on structural design, pressure resistance, safety systems, and production procedures. Their audits ensure transparency, accuracy, and trustworthy quality assessment to global customers.
5. Compliance with International Mechanical & Electrical Standards
HighQ compressors follow multiple international standards, including GB, IEC, ISO, and EN specifications. These standards govern mechanical integrity, electrical safety, motor performance, noise levels, and pressure equipment design. Compliance ensures compatibility with global industrial systems and enhances operational safety.
6. Certification for Key Components & Air-Ends
Our core air-ends from Germany (GHH-RAND, ROTORCOMP) also hold European and international certifications. This guarantees that the heart of each compressor meets world-class performance requirements for efficiency, temperature control, and lifespan. Such certifications support OEM cooperation and high-end industrial applications.
7. Customer Confidence & Global Market Access
Having multiple international certifications means our compressors are trusted by partners worldwide. Certifications reduce import barriers, simplify customs clearance, and reassure distributors, engineers, and end-users. Customers can confidently integrate our machines into critical applications such as medical equipment, food production, electronics, and high-precision manufacturing.
do you have any question?
1. What air compressor model should I choose?
Selection depends on air flow, pressure, working hours, installation space, voltage, and usage environment. Our engineers will recommend the best model.
2. Can you customize special voltage or color?
Yes, we support customized voltage (e.g., 380V/400V/415V/460V) and personalized colors or branding.
3. What is the warranty for your compressors?
Standard warranty is 1 year for the whole machine and 2 years for the air-end. Extended warranty is available.
4. Do you supply spare parts?
Yes, we keep full stock of spare parts to support quick delivery.
5. Can your compressors run continuously 24 hours?
Yes, our screw air compressors are designed for continuous duty with stable performance.
6. How long is the production lead time?
Regular models require 7–15 days. Customized machines may take 20–30 days.
7. What is the recommended maintenance schedule?
Regular maintenance includes oil changes, filter replacement, and system inspection every 2000–3000 hours.
8. Do you provide installation guidance?
Yes, we offer manuals, videos, online support, and on-site service for large orders.
9. What should I prepare before installation?
Adequate ventilation, stable power supply, proper piping, and clean installation environment.
10. How do you ensure product quality?
Each unit undergoes strict testing, including temperature, pressure, leakage, noise, and load tests.
11. Can your compressors be used in high-temperature environments?
Yes, our machines are optimized for environments up to 45°C or higher with optional cooling upgrades.
12. What is the difference between oil-free and oil-lubricated compressors?
Oil-free provides 100% clean air, suitable for medical and food industries. Oil-lubricated offers higher durability and lower cost.
13. Do you offer OEM or ODM services?
Yes, we support brand customization, structural modification, and OEM production.
14. How efficient are your compressors?
Our permanent magnet motors and German air-ends deliver up to 30% energy savings compared to traditional compressors.
15. What is the noise level of your units?
Most models operate at 60–72 dB, suitable for indoor working environments.
16. Is your air dryer included with the compressor?
Optional integrated dryer systems are available; we also provide separate dryers.
17. Can you ship worldwide?
Yes, we export to over 60 countries with full documentation support.
18. How do I handle breakdowns or issues?
Contact our technical team. We offer 24-hour online support and fast parts replacement.
19. What payment terms do you accept?
T/T, LC, and flexible payment options for long-term partners.
20. Can you provide performance test reports?
Yes, we provide complete testing documents, videos, and third-party inspection if required.
21. Do you support distributor cooperation?
Yes, we provide price protection, marketing materials, training, and technical support for long-term partners.
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