API 676 Screw Pump

API 676 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 single screw pump belongs to the rotor type volume pump, it relies on the screw and bushing intermeshing in the suction chamber and discharge chamber to produce volume changes to transport liquid. It is a closed screw pump with internal engagement. Its main working parts are bushing (stator) with double helical cavity and single helical screw (rotor) with which it engages in the stator cavity. When the input shaft is driven by a universal joint to rotate the rotor around the stator center planetary, the stator-rotor pairs engage continuously to form sealing chambers. The volume of these sealing chambers moves uniformly in the axial direction. The conveying medium is conveyed from the suction end through the stator-rotor pair to the extrusion end, and the medium in the suction closed chamber flows through the stator without being disturbed or destroyed.


Single screw pump has been widely used in developed countries. Most of the single screw pumps abroad are called "Mono pump", "MONOPUMPS", and Germany is called "eccentric rotor pump". Because of its excellent performance, its application in China has been expanding rapidly in recent years.

Its greatest characteristic is that it has strong adaptability to medium, stable flow rate, small pressure fluctuation and high self-priming ability, which can not be replaced by any other pump.

RSP has done a lot of analysis and Research on the single screw pump products, gained the best of all, and constantly innovated its own products. The single screw pump produced by RSP is reliable in quality and relatively low in price, while ensuring that it meets the needs of various customers.

The unit is dedicated to serving the vast number of users and accepts the design and manufacturing tasks of single screw pumps with special requirements from users.

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