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What is a mixed flow pump

What is a mixed flow pump?

Mixed flow pump is a kind of pump between centrifugal pump and axial flow pump. The specific speed of mixed flow pump is higher than that of centrifugal pump and lower than that of axial flow pump, generally between 300-500. Its head is higher than that of axial flow pump, but its flow is smaller than that of axial flow pump and larger than that of centrifugal pump.

20210817102559 73998 - What is a mixed flow pump

Working principle of mixed flow pump

When the prime mover drives the impeller to rotate, it has both centrifugal force and axial thrust on the liquid, which is the combination of centrifugal pump and axial flow pump, and the liquid flows out of the impeller obliquely. Therefore, it is a kind of pump between centrifugal pump and axial flow pump. The specific speed of mixed flow pump is higher than that of centrifugal pump and lower than that of axial flow pump, generally between 300-500. Its head is higher than that of axial flow pump, but its flow is smaller than that of axial flow pump and larger than that of centrifugal pump.

Design characteristics of mixed flow pump

Mixed flow pump is a “pull-out” structure pump. It is not necessary to disassemble the pipeline connected with the pump body when inspecting and disassembling the impeller and shaft seal. A precision machined pump shaft and a thin oil lubricated bearing are installed, and a protective shaft sleeve is installed in the stuffing box cover. The oil level of the bearing housing can be controlled by the constant position oil cup.
The foot of the pump body can bear any load from the pipeline and directly transmit it to the foundation. In this way, the rotor will not bend due to the load on the pump, so as to ensure the best service life of the bearing.
Due to the large overflow area, blocking is reduced.
The rotation direction of the pump, viewed from the drive end, is clockwise.
The power drive can be motor or internal combustion engine.
The pump unit can be equipped with a complete air release device, which is conducive to the exhaust of the suction pipeline.
Shaft seal
Packing seal or double face mechanical seal.
Texture of material

Corrosion resistant materials.

Source: Network Arrangement – China Pipe Fitting Manufacturer – Yaang Pipe Industry (www.epowermetals.com)

(Yaang Pipe Industry is a leading manufacturer and supplier of nickel alloy and stainless steel products, including Super Duplex Stainless Steel Flanges, Stainless Steel Flanges, Stainless Steel Pipe Fittings, Stainless Steel Pipe. Yaang products are widely used in Shipbuilding, Nuclear power, Marine engineering, Petroleum, Chemical, Mining, Sewage treatment, Natural gas and Pressure vessels and other industries.)

If you want to have more information about the article or you want to share your opinion with us, contact us at sales@epowermetals.com

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