Flow rate (at atm. pressure)





mbar abs.



bar g

KNF N 87 TTE Ex - Ex-proof Pump with ATEX/IECEx Compliance
Emission Measurement Pumps to ATEX and IECEx

KNF N87 TT.9E Ex is an explosion-proof diaphragm gas pump compatible with the ATEX Directive and IECEx, offering exceptional gas-tightness — approximately 6×10-3 mbar l/s (not tested in serial production).

The special valves ensure minimum resistance to flow. Additionally, the stress-optimized structured diaphragm is equipped with this pump series, making KNF N 87 TT.9E Ex a durable, robust product of high pneumatic performance.

For details, please contact us.

    • Explosion-proof versions to ATEX/IECEx
    • Minimized pneumatic loss
    • Chemically resistant
    • Long service life
    • Maintenance free
    • Can operate in any installed position
    • Uncontaminated flow due to oil-free operation
    • Ready for assembly
    • High level of gas tightness, approx. 6×10-3 mbar × l/s (not tested in serial production)
  • Flow rate l/min at atm. pressure7.5
    Ultimate vacuum mbar abs.140
    Operating pressure bar g1.5
    Permissible ambient temperature °C+5° to +40°C
    Motor protectionIP 66
    Weight kg7.0 kg
    Protection for pump parts Ex II 2G c IIB + H2 T4 X
    Protection for AC motor Ex II 2G Ex db IIC T4
    • Pump head: PVDF
    • Diaphragm: PTFE-coated
    • Valves: FFPM
  • Title Order No.
    Inserted screw connection D 6PVDF, G 1/8014049
    Hose connector for tube ID 6PVDF, G 1/8123363

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