Rotary screw compressors with fluid cooling

No matter whether a complete compressed air station or a single compressor: our fluid-injected rotary screw compressors deliver exceptional efficiency throughout their entire service life.

  • Low life-cycle costs
  • From 2.2 to 515 kW
  • For reliable operation in ambient temperatures up to 45 °C

Large selection – Low life-cycle costs

Fluid-injected rotary screw compressors are used in a wide range of sectors. They are highly durable and operate reliably and efficiently even at high temperatures of up to 45 °C. The associated investment costs are comparatively low.
However, the lion‘s share of life-cycle costs is spent on energy (up to 80 %). in fact, energy costs taken over the lifetime of a compressor, add up to a multiple of investment costs. For this reason, Kaeser rotary screw compressors are equipped with energy-saving SIGMA profile airend rotors that save up to 15 % energy compared to conventional rotor profile designs.

Compressed air stations

Connect and go – with Kaeser compressed air stations

  • Up to 22 kW
  • Space-saving combinations of rotary screw compressor, receiver and refrigeration dryer
  • Convenient control with SIGMA CONTROL

With belt drive

Kaeser rotary screw compressors with belt drive provide outstanding efficiency and reliability.

  • Up to 22 kW
  • Highly-efficient power transmission thanks to automatic belt tensioning
  • With energy-saving SIGMA profile

With 1:1 direct drive

Powerful and energy-efficient: the direct drive connects the airend directly with the drive motor without transmission loss.

  • Up to 315 kW
  • Zero-loss power transmission
  • Large, slow-speed airends save additional energy.

With two compressor units

Two complete compressor units ensure high flow rates and fail-safe performance with a compact footprint of just 7.45 m².

  • Up to 515 kW
  • Two independent compressor units in a single compact housing.
  • SIGMA CONTROL compressor controllers precisely match performance of each compressor to suit current compressed air demand.

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