Kaeser – ASK

ASK Series Rotary Screw Compressors – Equipment

Complete unit

  • Ready for operation
  • Fully automatic
  • Super silenced
  • Vibration-damped
  • All panels powder-coated
  • For ambient temperatures up to +45 °C

Sound insulation

Panels lined with laminated mineral wool

Vibration dampening

  • Anti-vibration mounts
  • Dual anti-vibration mount


  • Single stage with cooling fluid injection for optimal rotor cooling
  • Genuine Kaeser rotary screw airend with the SIGMA Profile


  • V-belt drive with automatic belt tensioning

Electric motor

  • IE3 premium efficiency motor
  • Premium quality German-made motor
  • IP 55
  • Insulation class F for greater power reserve

Electrical components

  • Control cabinet to IP 54
  • Control transformer
  • Siemens frequency converter
  • Volt-free contacts for ventilation control

Fluid and air flow

  • Dry air filter
  • Pneumatic inlet and venting valves
  • Cooling fluid reservoir with three-stage separator system
  • Pressure relief valve
  • Minimum pressure/check valve
  • Thermostatic valve and micro-filter in coolant circuit
  • All fully piped
  • Flexible couplings


  • Air-cooled
  • Separate aluminium coolers for compressed air and fluid
  • Radial fan meets the high requirements on fan efficiency demanded by the EU Directive 327/2011

Refrigeration dryers

  • CFC-free
  • Contains fluorinated greenhouse gas R-513A
  • Fully insulated
  • Hermetically sealed refrigerant circuit
  • Rotary refrigerant compressor with energy-saving, cycling shut-down feature
  • Hot gas bypass control
  • Electronic condensate drain

Heat recovery (HR)

  • Optionally available with integrated heat recovery system (plate-type heat exchanger)


  • Traffic-light LEDs for at-a-glance operational status
  • Easy-to-read display
  • 30 selectable languages
  • Soft-touch icon buttons
  • Fully automatic monitoring and control
  • Dual, Quadro, Vario and Continuous control modes available as standard
  • Interfaces: Ethernet
  • Additional optional communication modules for: Profibus DP, Modbus, Profinet and DeviceNet
  • SD card slot for data logging and updates
  • RFID reader
  • Web server

Product PDF : Kaeser – ASK