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NOTOS® 2 NS – Two Screw Pumps

Product type: Pumps and Systems
Description: This pump has one drive screw, transferring torque through a hydrodynamic film to the rotating intermeshing driven screw. Screws are encased in housing made of ferrometal. Screw geometry and housing shape the pump chamber. Rotating speed, screw diameter and screw pitch determine the speed of flow. Inside lubricated by the medium. Four special bearing bushes keep the screws aligned. Axial force resulting from pumping is close to zero because of hydraulic balancing of the pump.


  • Flow up to 650 m/h3 (1410 gpm)
  • Pressure up to 16 bara (230 psi)
  • Temperature up to 300°C (570°F)
  • Viscosity up to do 100.000 cSt


The main advantages are high efficiency, easy maintenance, lightweight, small footprint and pulsation free operation.


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