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. pressure21
    Ultimate vacuum mbar absolute2.0; ≤ 5.0 with gas ballast valve in use
    Operating pressure bar g0.5
    Hose connections mmID 10
    Permissible media temperature °C+5 bis +40°C
    Permissible ambient temperature °C+10° to +40°C
    Voltage V100–240 V
    Frequencies Hz50–60 Hz
    Motor protectionIP 20
    Power P1 W135 W
    Operating current A1.4 A
    Weight kg8.5 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.
    SilencerG 1/8007006
    Fine control valve with vacuum gauge112432
    Small flange, stainless steel SF 16046625
    Spares Kit111905

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