Flow rate (at atm. pressure) l/min
21
Vacuum mbar absolute
2
Pressure bar g
0.5
N 920 G diaphragm vacuum pump integrates with gas ballast valve
High Suction Speeds at Low Absolute Pressures

KNF’s popular N 920 G diaphragm vacuum pump is designed to support a wide range of laboratory applications such as centrifugal concentration, gel drying, degassing, desiccation, and more.

Latest KNF technical innovations, including a special diaphragm stabilization system, makes this compact pump well-suited for applications requiring high suction speeds at low absolute pressures.

Combination Possibilities

Tip When combined with VC 900 and the connection cable, the rotational speed is controlled in accordance with the requirements of the process.

    • Integrated rotational speed control enables pumping capacity to be easily adapted manually to process requirements
    • Integrated gas ballast valve
    • Environmentally friendly
    • Ideal for aggressive/corrosive gases and vapors
    • Maintenance free
    • 100% Oil-free operation
    • Pure transferring and evacuation of gases
    • High suction speed, particularly in the low vacuum range
  • Flow rate l/min at atm. pressure 21
    Ultimate vacuum mbar absolute 2.0; ≤ 5.0 with gas ballast valve in use
    Operating pressure bar g 0.5
    Hose connections mm ID 10
    Permissible media temperature °C +5 bis +40°C
    Permissible ambient temperature °C +10° to +40°C
    Voltage V 100–240 V
    Frequencies Hz 50–60 Hz
    Motor protection IP 20
    Power P1 W 135 W
    Operating current A 1.4 A
    Weight kg 8.5 kg
    Dimensions W×H×D (mm) 158×226×324
    With overcurrent protection and main fuse 
    • Pump head: PPS
    • Diaphragm: PTFE-coated
    • Valve: FFPM
  • Title   Order No.
    Silencer G 1/8 007006
    Fine control valve with vacuum gauge 112432
    Small flange, stainless steel SF 16 046625
    Spares Kit 111905

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