3 NS – Трехвинтовые насосы - NETZSCH Насосы и Системы

3 NS – Three Screw Pump

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

Performance

  • 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

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, 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.


Advantages

  • High efficiency
  • Easy maintenance
  • Lightweight and small footprint
  • Low pulsation
  • API 676 3rd ed., optional

Применения

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