Netzsch NOTOS® 3NS Serie

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    NOTOS® three screw pumps have one drive screw, transfering torque through a hydrodynamic film to the two rotating intermeshing driven screws.


    • Flow up to 200 m³/h (880 gpm)
    • Pressure up to 80 bar (1160 psi)
    • Temperature up to 300°C (570°F)
    • Viscosity up to 10.000 cSt


    • Internal or external relief valve
    • Vibration sensors
    • Temperature sensors
    • API 682 cartridge seals
    • Various API seal plans


    • Foot, vertical, semi-submersible
    • Housing with replaceable liner, light, top tank version
    • Heating jacket optional

    1 - Screws

    Nitrated in alloy steel or in stainless steel. The HEUD (High Efficiency Unique Desgin) provides excellent performance.

    2 - Housing

    Various ports configurations such as top top, side top or in line.

    3 - Bearing Bushes

    Nitrated bushes help to prevent start up failures and help to support radial loads.

    4 - Mechanical Seal

    Under suction pressure just one mechanical seal is required for the 3NS. Magnetic drive optional.


    • High efficiency

    • Easy maintenance

    • Lightweight and small footprint

    • Low pulsation

    • API 676 3rd ed., optional


    Compressor Lubrication

    • Pump NOTOS®: 3 NS
    • Media: Lube oil
    • Flow rate: 25 m³/h
    • Pressure: 7,5 bar
    • Temperature: 50 °C
    • Viscosity: 70 to 1000 cSt
    • Location: India

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