Zhejiang Science and Technology Commission GSB series of high-speed centrifugal pump technology introduction

GSB series high-speed pump is a single suction single-stage or two-stage horizontal high-speed pump, mainly by the pump unit, speed device, lubrication and monitoring system, base and motor and other components, as the series pump variable pitch inducer and composite impeller Therefore, it has the advantages of stable working stability of small flow, high cavitation erosion and high efficiency, meanwhile has obvious advantages of compact structure, convenient maintenance, wide application range, good reliability and long service life, etc. It is the advantage of future centrifugal Pump development trend. However, the multistage centrifugal pump or reciprocating piston pump with the same parameters has the disadvantages of complex structure, troublesome maintenance, wearing parts and poor reliability, and therefore will be replaced by a high-performance high-speed centrifugal pump.
The series of pumps have been identified by the Zhejiang Provincial Science and Technology Commission and has won the national patent, patent No. ZL96236783.8, in line with the national standard "G3215-82 refining, chemical and petrochemical processes with centrifugal pump general technical conditions" and the United States API610 standards . Not only can replace multistage centrifugal pump, part of the pump and some reciprocating pumps, but also completely replace imports, to fill the gaps in the country, reached the current international advanced level.

The main technical performance or technical indicators: flow Q = 0.5 ~ 50m3 / h; head H = 100 ~ 1000m; speed n = 4500 ~ 1900rpm; motor power N = 7.5 ~ 200KW; the minimum specific speed can reach 10 or less.

Applications and market prospects: According to the physical and chemical properties of the transmission medium can choose the appropriate material, such as cast iron, cast steel, stainless steel , alloy steel or the corresponding imported grades (316,316 L) alloy steel, suitable for conveying acids, alkali Class, salt, benzene, chemicals and water can contain a small amount of liquid particles of solid media, transport medium temperature range -200 ~ +300 ℃. Can be widely used in petroleum, petrochemical, pharmaceutical, metallurgy , papermaking, electricity, food and light industry and other industries.

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