Hi-pressure self-balance multistage centrifugal pump series have four kinds of casing structure:the sectional,the volute type double casing,the double casing type with drawout inner casing and rotor,and the horizontal split single casing,which take the lead in domestic self-balance multistage centrifugal pumps area,widely used to transfer corrosive solutions in oilfield water injection,steelwork descaling,oil transfer,hi-pressure boiler feed,petrochemical product,and nuclear power plant.CQPI possesses a good reputation with the long-term operation of offered pumps in many steel corporations,ocean oil platform and petroleum chemical devices like Anshan Steel Corp.,Wuhan Steel Corp.,CNOOC,SINOPEC,etc.
Opposed arrangement of impellers can realize the self-balance of axial force and radial force,and non-contract spiral seal almost eliminates wear-and-tear parts.Those pumps have unique structure,high reliability and adaptability,in particular suitable for operating conditions which change frequently.Capacity:120-600m3/h,pressure up to:30 MPa.