Screw pump

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Three-screw screw pump Impeller impeller pumps

Screw pump - a type of displacement pump, in which fluid transport is forced by rotation of the screw screw. The liquid enclosed in the spaces between the screw and the pump body is conveyed from the suction side to the discharge pump.

The worm pump does not have valves. The timing of the screw pump is relatively constant. The screw pump capacity is up to 0.2 m / s, the pressure reached at 18,000 rpm - 20 MPa. The efficiency is slightly less than the gear pumps.

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