LAB – Diaphragm Vacuum Pumps and Compressors



Chemically resistant Diaphragm Vacuum Pump

N 820.3 FT.18, N 840.3 FT.18 and N 842.3 FT.18


  • Flow rate up to 2.04 m³/h / Ultimate vacuum up to 2 mbar abs.
  • High level of vapor and condensate compatibility
  • PTFE pump head combined with PTFE-coated diaphragm are ideal for extremely aggressive/corrosive gases and vapors



Small and for (almost) any use

N 86 KT.18 Mini Diaphragm Vacuum Pump

  • Flow rate 0.33 m³/h / Ultimate vacuum 160 mbar abs.
  • Extremely low footprint
  • PTFE-coated diaphragm is ideal for aggressive/corrosive gasesand vapors


A Powerful Package

N 860.3 FT.40.18 Diaphragm Vacuum Pump

  • Flow rate 3.6 m³/h / Ultimate vacuum 4 mbar abs.
  • Integrated KNF self-drying system ensures that condensate is quickly removed from the pump heads without the vacuum being altered – processing times are markedly reduced as a result
  • Chemically resistant and thus ideal for use with extremely aggressive/corrosive gases and vapors



N 920 G Diaphragm Vacuum Pump

  • Flow rate 1.26 m³/h / Ultimate vacuum 2 mbar abs
  • High suction speed, particularly in the low vacuum range
  • Integrated rotational speed control enables pumping capacity to be easily adapted to process requirements
  • PPS pump head combined with PTFE-coated diaphragm are ideal for aggressive/corrosive gases and vapors
  • Integrated gas ballast valve


Value Choice - excellent price/performance ratio

General vacuum and pressure application in the laboratory or Pressure filtration

N 022 AT.18 Diaphragm Vacuum Pump and Compressors

  • Flow rate 13L/min  , Ultimate vacuum 100 mbar abs
  • Uncontaminated transfer, evacuation and compression
  • For slightly aggressive or corrosive gases and vapours
Posted in KNF.