PCP Screw Pump

PCP Screw Pump

1.Flow and speed are in direct proportion, automatic flow adjustment can be achieved by speed controller.
2.Various shaft sealing options can be realized due to composite design of sealing chamber
3.Opposite direction transfer in short term can be realized due to composite design of the flange and bearing.
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Product Details

1.Flow and speed are in direct proportion, automatic flow adjustment can be achieved by speed controller.

2.Various shaft sealing options can be realized due to composite design of sealing chamber

3.Opposite direction transfer in short term can be realized due to composite design of the flange and bearing.

4.Various stator and rotor material pairing for various working conditions.

5.Stable flow and pressure, no pulsation, low noise and strong self-priming ability.

6.Wide application scope for various fluid medium, including high viscosity, solid content, fiber, suspended impurities.

7.Use oil instead of traditional grease for bearing to enable more sufficient and effective bearing lubrication


Performance:Flow180 m3/h

Maximum Pressure:2.4 Mpa

Maximum Temperature:220 ℃


The starting points of single screw pump are as follows:

Single screw pump should start when suction stop valve is fully open to prevent overload or suction.

Although the single screw pump has the ability of dry absorption, it must prevent the dry rotation, so as not to scratch the screw surface.

If the pump needs to start at very low oil temperature or high viscosity, it should start when the suction and drain valves and bypass valves are fully open, so that the load of the pump is the lowest when starting, and then the bypass valve will be closed gradually when the prime mover reaches the rated speed.

When the bypass valve is opened, the liquid is circulating continuously in the pump with throttle. The more oil is circulated, the longer the cycle time is, the more serious the heat of the liquid will be, and even the pump will be damaged due to high temperature deformation. Attention must be paid to it.


Single screw is a new type of pump which works according to the principle of revolving meshing volume. The main working parts are eccentric screw (rotor) and fixed bushing (stator). Because of the special geometry of the two components, separate sealing chambers are formed, and the medium flows uniformly from the axial direction. The internal flow velocity is low, the volume remains unchanged, and the pressure is stable, so there is no eddy current and agitation. The flow rate is proportional to the rotational speed.

The transmission can be driven directly by coupling or by speed regulating motor, triangle belt, gearbox and other devices. This kind of pump has few parts, compact structure, small volume, easy maintenance, rotor and stator are vulnerable parts of the pump, simple structure and easy to assemble and disassemble.

Hot Tags: PCP screw pump, China, manufacturers, suppliers, factory, made in China

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