Flow rate (at atm. pressure) l/min
Vacuum mbar absolute
Pressure bar g
Optimized Suction Speed

The powerful diaphragm vacuum pumps N 940 series are perfectly suited for all applications requiring excellent suction speed with low absolute pressures. A series of technical innovations, including a diaphragm stabilization system, allows the high suction, especially in the low-vacuum range.

Enhanced Customization Capabilities

The customer has a choice of pump drives ranging from a selection of voltages and frequencies. Explosion-proof models according to ATEX available on demand. Please contact us for further details.

    • KNF Stabilization System – Optimized suction speed, also for low absolute pressures
    • Quiet running
    • Pure transferring and evacuation of air and gases
    • Cool and efficient brushless motor
    • High resistance to chemicals
    • Can operate in any installed position
    • High level of gas tightness
  • Flow rate l/min at atm. pressure 48
    Ultimate vacuum mbar absolute 48
    Operating pressure bar g 0.5
    Permissible ambient temperature °C +10° to +40°C
    Voltage V 230 V
    Frequencies Hz 50 Hz
    Motor protection IP 54
    Power P1 W 250 W
    Weight kg 18.6 kg
    I max A 1.7
    Transferring air and gases at temperatures between: °C +5° and +40°C
    • Pump head: PTFE / PVDF
    • Diaphragm: PTFE
    • Valves: FFPM

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