Compressors for oil-free compressed air

Oil-free air and trouble-free performance

For food and beverage, chemical, pharmaceutical, and other industries with stringent air quality requirements, KAESER offers a complete line of oil-free rotary screw air compressors. 

Our CSG, DSG, and FSG series deliver oil-free air and follow Kaeser's core design principles of reliability, service-friendly design, and energy-efficient operation.

Available both air and water-cooled, and with integrated dryer options, Kaeser oil-free compressors are built to reduce costs with components designed for quality and performance, arranged for maximum accessibility, and with smart features to cut down on maintenance time.

For short-term or mobile requirements, we have our M500-2 diesel-driven MOBILAIR delivering 1600 cfm.


Take a closer look at our oil-free rotary screw air compressors



50-125 hp Oil-free screw compressors

Oil-free compression CSG-2 rotary screw compressors with air-cooling.
  • Flow rate: 184 - 596 cfm
  • Pressure ranges from 60 to 160 psi
  • Ambient temperature: to 115°F
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50-125 hp Oil-free screw compressors

125-450 hp Oil-free screw compressors

Oil-free rotary screw compressors with integrated rotation dryer.
  • Flow rate: 512 - 1774 cfm
  • Pressure ranges from 60 to 160 psi
  • Ambient temperature: to 115°F
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125-450 hp Oil-free screw compressors

Portable oil-free compressors up to 1600 cfm - M500-2

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 MOBIL 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 compressors up to 1600 cfm - M500-2
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