PROGRESSIVE CAVITY PUMPS

The basis of any Progressive Cavity Single Screw Pump is a power section which usually consists of a metal rotor (n-start external helix) and a rubber stator (n+1-start internal helix). Rotation of the rotor inside the stator creates sealed cavities that progressively move from suction to discharge side of the pump producing differential pressure.

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Under the request one of the largest enterprises in the enrichment of copper ore in Kazakhstan, has been manufactured and shipped the screw pump unit BN063S02FYYSX for pumping of cupper pulp.

Taking into account of the content of sulfuric acid in the slurry, the pump is made from stainless steel. To prevent possible leakage of corrosive liquids, on the drive shaft is installed the double mechanical seal with flushing tank.

For avoiding of dead zones occurrence during pumping of a dense pulp in the chamber of the pump is set the screw feeder.

Performance of the pump unit is 14 m3 / h with pressure up to 12 bar. The drive shaft speed is 286 rev / min.

The pumping unit is equipped with an explosion-proof electric engine, as well as a gearbox of Italian firm VARMEC.