Performance, Precision, Partnership

DSD Series 1:1 Direct Drive Compressors

Complete unit

  • Ready for operation
  • Fully automatic
  • Super sound-proofed
  • Vibration-damped
  • All panels powder-coated


Sound insulation

  • Panels lined with laminated mineral wool
  • Maximum 72 dB(A) to PN8NTC 2.3 at one metre distance
  • Free field measurement


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 energy-saving SIGMA profile



  • Directly coupled without gearing
  • High-flex coupling


Electric motor

  • Energy-saving motors
  • Premium quality German-made motor
  • IP 55
  • Insulation class F for greater power reserve


Motor to airend connection

  • Airend with integral coupling bell.


Electrical components

  • Control cabinet to IP 54
  • Control transformer
  • Control cabinet for Siemens Masterdrive frequency converter (for SFC versions)
  • Floating contacts for ventilation control



  • Air-cooled
  • Separate aluminium coolers for compressed air and fluid
  • Radial fan with separate electric motor
  • Lubrication from the outside
  • Optionally available in water-cooled design with either plate-type or shell and tube heat exchanger

 Refrigeration dryers

  • CFC-free
  • R 134a refrigerant
  • Fully insulated
  • Hermetically sealed refrigerant circuit
  • Scroll refrigerant compressor with energy-saving shut-down feature
  • Hot gas bypass control
  • Electronic condensate drain
  • Upstream centrifugal separator


Heat recovery (HR)

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




  • "Traffic-light" LED indicators show operational status at a glance
  • Plain text display
  • 30 selectable languages
  • Soft-touch keys with icons
  • Fully automated monitoring and control
  • Selection of Dual, Quadro, Vario and Continuous control as standard
  • Interfaces: Ethernet
  • Additional optional communications modules for: Profibus DP, Modbus, Profinet and DeviceNet
  • SD-card slot for data-logging and updates
  • RFID reader
  • Web server