Compressors for oil-free compressed air

Rotary screw compressors with qualification for hygienically sensitive processes

KAESER’s oil-free compression rotary screw compressors are optimised for the demanding requirements of compressed air supply for clean room production – beginning with careful selection of the materials used and ending with precision in the production process. Our diligence is confirmed by TÜV Rheinland.

TÜV Rheinland and ISO 22000 certified

An overview of our oil-free compression rotary screw compressors


With air-cooling 37 to 355 kW

Oil-free rotary screw compressors with air-cooling.

Air-cooling – simply efficient

  • Flow rate: 4.2 to 51 m³/min
  • Pressure: 4 to 11 bar
  • Ambient temperature: to 45 °C
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With air-cooling 37 to 355 kW

With water-cooling 37 to 355 kW

Oil-free rotary screw compressors with water-cooling.

Water-cooling – compact and energy-efficient

  • Flow rate: 4.2 to 51 m³/min
  • Pressure: 4 to 11 bar
  • Ambient temperature: to 45 °C
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With water-cooling 37 to 355 kW

With integrated compressed air dryer 37 to 355 kW

Oil-free rotary screw compressors with integrated rotation dryer.

Integrated i.HOC rotation dryer

  • Flow rate: 4.2 to 51 m³/min

  • Pressure: 5 to 11 bar

  • Pressure dew point: -20°C to -40°C

Integrated refrigeration dryer

  • Flow rate: 3.5 to 15 m³/min

  • Pressure: 6 to 11 bar

  • Pressure dew point: to 3°C

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With integrated compressed air dryer 37 to 355 kW

Portable oil-free compression up to 45.8 m³/min

The M500-2 compressed air giant for refineries and large industrial companies

The new compressed air giant: the M500-2 for refineries and large-scale industrial operations

  • With the innovative SIGMA CONTROL MOBILE controller
  • Highly effective deployed as a standalone unit or within an existing station
  • Maximum energy efficiency even after years of continuous use
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Portable oil-free compression up to 45.8 m³/min

Have special requirements? With their variable interfaces, our compressors are easily integrated into existing compressed air and control systems. Our experts will propose a solution that is specifically tailored to meet your exact needs – just contact us!

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