Oil-free Aluminum Piston Compressors

Key Advantages (Why Choose This Model?)
Absolutely Oil-Free, Zero Contamination:The compression chamber remains entirely free of lubricating oil throughout the process, completely eliminating contamination from oil mist, droplets, or vapors. This meets the most stringent air quality requirements for industries such as food processing, pharmaceuticals, electronics, spray painting, and precision pneumatics; the CLASS 0 certification serves as the ultimate guarantee of purity.
Aluminum Construction + Low-Friction Design: The aluminum alloy cylinder block and piston dissipate heat rapidly, resulting in the lowest operating temperatures in the industry. This minimizes thermal loss and extends the lifespan of sealing components. Furthermore, the self-lubricating (oil-free) sealing rings ensure minimal friction, low energy consumption, and exceptional longevity.
Low Maintenance, Low Cost:Requires no oil changes, oil filters, or waste oil disposal. Routine maintenance is limited to the periodic replacement of air filter elements and seal inspections. The direct-drive design-free of belts-eliminates the need for belt tensioning or replacement. Consequently, the total lifecycle cost is approximately 40% lower than that of oil-lubricated models.
Reliable & Durable; Suited for Harsh Conditions: Features a simple structure with few moving parts, offering robust resistance to vibration, dust, and high temperatures. It is suitable for both continuous and intermittent operation, as well as for mobile, vehicle-mounted, or OEM integration applications.
Compact & Low-Noise:Boasts a small footprint, lightweight design, and flexible installation options. With excellent noise control, it is ideally suited for use in workshops, laboratories, or for integration directly into equipment systems. IV. Typical Application Scenarios
Food & Beverage: Packaging, Filling, Pneumatic Conveying, Mixing (Oil-free and Contamination-free)
Pharmaceuticals / Medical: Drug Manufacturing, Ventilators, Dental Equipment, Laboratory Pneumatics, Sterile Workshops
Electronics / Semiconductors: Chip Manufacturing, Precision Instruments, PCB Production, Cleanrooms
Spraying / Coating: Automotive, Furniture, and Metal Surface Coating (Oil-free to prevent pinholes and color variations)
Pneumatic Instrumentation / Control: Precision Valves, Pneumatic Actuators, Measurement Equipment
OEM Equipment: Printing, Textiles, Packaging Machinery, Railway/Vehicle-mounted Pneumatic Systems, Laboratory Equipment

Key Considerations for Selection and Configuration
Flow Matching: Select the appropriate power model (1.5/2.2/3/4/5.5/7.5 kW) based on actual air consumption (FAD).
Configuration Options: With/Without Air Receiver Tank, Integrated Refrigerated Dryer (LFxD), High-efficiency Intake Filter, Vibration-damping Base, Variable Frequency Drive (for energy savings on demand).
Operating Environment Adaptation: Altitude, Ambient Temperature, Continuous/Intermittent Operation, Air Purity Class.

Key Technical Specifications
Operating Pressure: 10 bar(g) / 145 psig (Rated; Single-stage compression)
Flow Rate (FAD, 50Hz): 3.1–15.5 l/s = 11.16–55.8 m³/h = 6.57–32.84 cfm
Motor Power: 1.5–7.5 kW (2–10 HP); Direct-drive (Beltless design for higher efficiency)
Cylinder / Piston: High-silicon aluminum alloy; Precision-machined for minimal clearance and low friction; Lightweight construction with rapid heat dissipation; Oil-free self-lubrication (utilizing Teflon / PEEK sealing rings)
Configuration: Single-stage; Single/Dual-cylinder; Air-cooled; Vertical/Horizontal orientation; Integrated intake and unloader valves
Certifications: ISO Oil-free certified; IP55 Protection Rating; Class F Insulation

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