Sea Water Screw Pump

Sea Water 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


The screw has a single thread. Its arbitrary cross section is a circle with radius R. The center of the cross section is on the helix and deviates from the axis of the screw by an eccentricity E. It rotates around the axis and moves along the axis.

Head Ratio: The stator head number T1 of screw is one more than the rotor head number T2, that is, T1 = T2 + 1. Their ratio becomes the first ratio. Screw pump can be divided into single head (1:2) and multiple head (2:3:3:4) and so on. The more head-to-head ratio, the greater the output torque and the lower the speed of the screw pump. Conversely, the smaller the output torque, the higher the speed.


Performance:Flow100 m3/h

Maximum Pressure:0.6 Mpa

Maximum Temperature:220 ℃


Single screw pump is a single screw transport pump. Its main working parts are the screw of eccentric helix (called rotor) and the screw bushing (called stator) whose inner surface is double helix. Its working principle is that when the motor drives the pump shaft to rotate, on the one hand, the screw rotates around its own axis, on the other hand, it rolls along the inner surface of the bushing, thus forming the sealing chamber of the pump. With the continuous rotation of the screw, the liquid in the sealing chamber pushes forward one pitch every rotation of the screw. The liquid screw is pressed from one sealing chamber to another, and finally the pump body is extruded. Screw pump is a new type of liquid conveying machine. It has the advantages of simple structure, safe and reliable operation, convenient use and maintenance, continuous and uniform discharge, stable pressure and so on.


Shaft seal:

Mechanical seals and packing seals can be used according to needs and conveying media, and the two structures have interchangeability.


Pump driving mode:

Because the single screw pump is a low-speed pump, there are many driving modes of the pump. Generally, there are low-speed motor direct connection (6, 8), gear reducer motor drive, CVT motor drive and so on.

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

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