Screw Pumps

Brand: Others

Since 1979 has been manufacturing multi screw pumps to serve a wide range of industries and . The most advanced technology is utilized to produce these pumps. Reliability, durability and experience are some reasons why you should choose NETZSCH.

NOTOS®2 NS – Two Screw Pump:

Drive Screw Transmits the Torque via a Hydrodynamic Film to the Second Screw


  • 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


  • 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 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.


  • High efficiency

  • Hydraulically balanced

  • Quiet operation

  • Long service life

  • Low pulsation

  • Excellent suction capability

  • API 676 3rd ed., optional


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