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Single Stage Double Suction Split Case Pump



Type WS pumps are new type of single stage double suction centrifugal split pumps with high performance. They are widely used in delivering liquids to the water plant, circulation water system of air conditioner, pipe net system of supplying heated water, construction, drainage pumping system, power station, industrial water supply system, ship system, mine and etc. Type WS pumps are advanced products developed from type SH. S, SA, SLA, SAP pumps.

The Technical Parameter of Type WS Pumps

Pump Outlet Diameter: 80~ 800mm

Capacity: 22~ 11 600m3/h

Head: 7~ 200m

Temperature: -20C~105*C (WS)

-60C 200C (WS-R)

Solid Parameter: ≤80mg/L

Permissible Pressure: ≤2. 5Mpa (WS)

≤4Mpa (WS-R)

Description of Pump Type

Technical Advantages

1.Because of the short support at both sides of type WS pumps, they can work stably with less noise and vibration, and can work at a lifting speed. Thus, they can be widely used.

2.The pipelines arrangement of type WS pump looks simple and beautiful due to inlet and outlet at a same center line.

3.The same rotor of type WS pumps can be operated at direction to avoid damage to the pumps by water hammer.

4.Unique design of type WS pumps working at high temperature using middle support to fasten the pump casing, cooling seals, and oil lubrication bearing to make pumps suitable for working at 200C especially for supplying heated water to pipe net system.

5.Type WS pump casting parts can be vertically or horizontally mounted according to different working condition, with mechanical seals or packing seals.

6. Type WS pumps look beautiful with visible lines adopting industrially designing.

Cost Advantages

1.The efficiency of WS pumps are 2%-3% higher than the same type pumps due to adopting advanced hydraulic model and thus minimum the operating costs.

2.The NPSH of type WS pumps are 1-3 meters lower than the same type split pumps due to using advanced hydraulic model and advanced manufacturing technique and thus minimize the foundation costs and extending the using life.

3.Type WS pumps are suitable for any site working condition due to using SKF NSK bearing and other parts chosen by the customers and thus minimize the maintenance costs.

Maintenance Advantages

1.It is very easy and simple to replace the mechanical seal due to using container type mechanical seal.

2.It is rapid and easy to assembly and dismounted the rotor parts due to using elastic  ripe assembling.

3.It is unnecessary to make adjustment when assembly.

Main Part Material List

Part Name

Material Name

GB Code


Pump Casing

Gray Cast Iron

Nodular Cast Iron

Cast Steel







Gray Cast Iron

Silicon Brass

Stainless Steel






Stainless Steel

Carbon Steel






Gray Cast Iron

Silicon Brass

Stainless Steel





Construction Type WS Pump

Mount Type

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