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N 920 G

DIAPHRAGM VACUUM PUMPS AND COMPRESSORS

Flow rate (at atm. pressure)l/min : 21

Vacuummbar absolute : 2

Pressurebar g : 0.5

DATASHEET N920G

 

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.

  • Features
    • 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
  • Technical Details
    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   
  • Materials
    • Pump head: PPS
    • Diaphragm: PTFE-coated
    • Valve: FFPM
  • Accessories
    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

     

    RELATED PRODUCTS

    What’s Popular in Diaphragm Vacuum Pumps and Compressors

    No.

    Model

    Current

    Flow rate (at atm. pressure)l/min

    Vacuummbar abs.

    Pressurebar g

     

    N 920 G

    21 l/min 

    mbar abs. 

    0.5 bar g 

     

    N 938.50 K_.18 Series

    Up to32 l/min 

    Down to12 mbar abs. 

    0.5 bar g 

     

    N 816.3 K_.18 Series

    16 l/min 

    Down to15 mbar abs. 

    0.5 bar g 

             
     

    N 86 K_.18 Series

    Up tol/min 

    Down to100 mbar abs. 

    Up to2.5 bar g 

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