Compressors for oil-free compressed air

Robust and clean-running for sensitive processes

Whether for the semiconductor, food or automotive industries: our two-stage, oil-free compression rotary screw compressors tirelessly prove that process-sure purity and efficiency do indeed go hand in hand – even in extreme conditions.

  • Uncompromising efficiency – Efficient compression with "Ultracoat"
  • Service-friendly design – Maximum machine availability, minimal inspection time

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!


An overview of our oil-free compression rotary screw compressors



with air-cooling

CSG-2 and DSG-2 air-cooled oil-free compression rotary screw compressors from Kaeser Kompressoren

Air-cooling – simply efficient

  • Reliable – even in ambient temperatures up to 45 °C
  • Service-friendly – convenient swing-out cooler
  • Efficient – thanks to intelligent system design

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with air-cooling

with water-cooling

CSG-2 and DSG-2 water-cooled oil-free compression rotary screw compressors

Water-cooling – compact and energy-efficient

  • Reliable – even at high water temperatures
  • Service-friendly  – clearly structured system design
  • Efficient – thanks to integrated heat recovery system

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with water-cooling

with integrated compressed air dryer

Oil-free compression CSG-2 and DSG-2 rotary screw compressors with integrated i.HOC rotary dryer

Integrated i.HOC rotary dryer

  • Reliable drying – KAESER full-flow regeneration

  • Service-friendly – Thanks to i.HOC service crane

  • Efficient in every way – i.HOC efficiency control

Integrated refrigeration dryer

  • Reliable drying – Outstanding performance in ambient temperatures up to 45 °C

  • Service-friendly – One service level

  • Efficient – Negligible 0.1 bar pressure loss

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with integrated compressed air dryer

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