Flow rate (at atm. pressure)




Down to


mbar abs.



bar g

LABOPORT® Diaphragm Vacuum Pumps

KNF N 816.3 laboratory pumps are double-headed, dry-running devices used in a wide range of laboratory applications. The N 816.3 KT.18 is well-suited for use in degassing, desiccation, solid phase extraction and so on.

The heart of these very compact pumps is a KNF structured diaphragm, stress-optimized using the finite element method (FEM). Effectively, this results in a very compact pump size and a longer service life of the diaphragm.

All .45 versions come with a fine control valve and a vacuum gauge.

    • Environmentally friendly
    • Maintenance free
    • 100% Oil-free operation
    • High level of gas tightness
    • Pure transferring and evacuation of gases
  • Flow rate l/min at atm. pressure16
    Ultimate vacuum mbar abs.Down to 15
    Operating pressure bar g0.5
    Hose connections mmID 6
    Permissible gas and ambient temperature °C+5° to +40°C
    Voltage V230 V
    Frequencies Hz50 Hz
    Motor protectionIP 20
    Power P1 W100 W
    Operating current A0.6 A
    Weight kg3.95 kg
    Dimensions L×H×W (mm)361×141×190
    • Motors with other voltages and frequencies on request
    • Pump head: PPS
    • Diaphragm: EPDM for 816.3 KN; PTFE-coated for 816.3 KT
    • Valves: EPDM for 816.3 KN; FFPM for 816.3 KT
  • Title Order No.
    SilencerG 1/8000345
    Hose connectorG 1/8, PVDF, for tube ID 6mm014052
    Fine control valve with vacuum gauge056547
    Spares Kitfor N 816.3 KN056315
    Spares Kitfor N 816.3 KT056316

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