Flow rate (at atm. pressure)

Up to




Down to


mbar abs.


Up to


bar g

KNF N 952
High-Speed Evacuation and Deep Ultimate Vacuum

Sporting an ultimate vacuum of down to 1.5 mbar abs., and a flow rate of up to 36 l/min, KNF N 952 series can be the solid, fundamental support for numerous analytical instruments. It is also a perfect pre-vacuum pump for turbomolecular pumps due to the speed and retention of high pumping speed.

Digital Parametrization

The motor of the N 952 can be controlled analog, via PWM, or digitally. Dynamic operating profiles, specific start-up characteristics, and configurable safe patterns are now all available thanks to the next-generation BLDC motor developed and produced in-house by KNF.

Possible Areas of Use
  • Roughing pump for turbomolecular pumps
  • Instrumental analysis, especially in the field of spectroscopy
  • Gas analytics
  • Vacuum technology
  • Chemical industry
  • Laboratory equipment
  • Flow rate l/min at atm. pressure36
    Ultimate vacuum mbar abs.1.5
    Operating pressure bar g0.1
    Permissible media temperature °C+5° to +40°C
    Permissible ambient temperature °C+5° to +40°C
    Motor protectionIP 20
    • Pump head: PPS
    • Diaphragm: EPDM/PTFE-coated
    • Valves: FPM

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Vacuum Pumps and Compressors


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