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A 40 bar medium-pressure oil-free air compressor is a reciprocating piston compressor designed to deliver clean, contaminant-free compressed air at pressures up to 40 bar. It uses advanced sealing materials (such as PTFE or PEEK) and oil-free lubrication technology to eliminate the risk of oil contamination, making it ideal for applications where air purity is critical.
100% Oil-Free Operation
No oil contamination ensures clean air, protecting sensitive equipment and end products.
Medium-Pressure Output (40 bar)
Perfectly suited for applications requiring higher pressure than standard industrial compressors but lower than high-pressure systems (100 bar+).
Heavy-Duty Piston Design
Built for continuous operation with durable components, ensuring long service life and reliability.
Low Maintenance
Eliminates oil changes, oil separation, and disposal costs; only routine seal and filter inspections required.
Energy Efficient
Optimized compression stages reduce power consumption compared to high-pressure alternatives.
Compact & Easy Integration
Space-saving design allows for simple installation in production lines or workshops.
Model | Air delivery (m³/min) | Working pressure (bar) | Motor power (kW) | Speed (rpm) | Dimensions L*W*H(mm) | Weight (kg) |
RKL-8.5/40 | 8.5 | 40 | 90 | 450 | 4050*1750*2380 | 5500 |
RKL-10/40 | 10 | 40 | 110 | 500 | 4050*1750*2380 | 5800 |
RKL-12/40 | 12 | 40 | 132 | 580 | 4050*1750*2380 | 6000 |
RKL-16/40 | 16 | 40 | 160 | 390 | 4650*2200*2780 | 7400 |
RKL-18/40 | 18 | 40 | 185 | 440 | 4650*2200*2780 | 7600 |
RKL-20/40 | 20 | 40 | 200 | 470 | 4650*2200*2780 | 7800 |
RKL-22/40 | 22 | 40 | 220 | 500 | 4650*2200*2780 | 8000 |
RKL-25/40 | 25 | 40 | 250 | 390 | 4950*2690*2980 | 8500 |
RKL-28/40 | 28 | 40 | 280 | 440 | 4950*2690*2980 | 8800 |
RKL-30/40 | 30 | 40 | 315 | 470 | 4950*2690*2980 | 9000 |
Application Industries
PET Bottle Blowing
Supplies clean, medium-pressure air for PET preform blowing to produce bottles for water, beverages, and packaging.
Food & Beverage
Provides oil-free compressed air for packaging, bottling, and processing lines where contamination is unacceptable.
Medical & Pharmaceutical
Delivers high-purity air for dental equipment, laboratory instruments, and medical device manufacturing.
Automotive
Used for tire inflation, paint spraying, and pneumatic systems requiring clean, dry air.
Electronics
Ensures contaminant-free air for semiconductor handling, circuit board assembly, and cleanroom environments.
General Manufacturing
Powers pneumatic tools, automation equipment, and blow molding machines.
