Netzsch NOTOS® 2NS Serie

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    Description

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

    Performance

    • Flow up to 500 m³/h (2200 gpm)
    • Pressure up to 16 bar (230 psi)
    • Temperature up to 300°C (570°F)
    • Viscosity up to 25.000 cSt

    Accessories

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

    Arrangements

    • Foot, vertical, semi-submersible, housing with replaceable liner or flange mounted
    • 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

    Internal bearing bushes helps to support radial loads.

    4 - Mechanical Seal

    Under suction pressure just one mechanical seal is required for the 2NS. Magnetic drive optional.

    Advantages

    • High efficiency

    • Hydraulically balanced

    • Quiet operation

    • Long service life

    • Low pulsation

    • Excellent suction capability

    • API 676 3rd ed., optional

    Applications

    Burner Feeding

    • Pump NOTOS®: 2 NS
    • Media: Fuel Oil
    • Flow rate: 16 m³/h
    • Pressure: 4 bar
    • Temperature: 50 °C
    • Viscosity: 30 cSt
    • Location: Italy
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