HP51/52 pump were developed as Mult-stage, single-suction, vertical centrifugal pump, with enclosed impeller and diffuser, the shaft was supported with plain bearings in the pump casing and bearing spiders; self-lubrication or out-lubrication introduced in plain bearings; the overall length under base plate up to 10m. 
For delivering clean or contaminated liquids, with little particles or aggressive liquids. Apply for power plants, sewage treatment plants, seawater pumping, and general industry.

Capacities                 8 ~ 450 m³/h
Heads                 　  15 ~ 150 m
Temperatures          -20  ~ +120 ℃
Pressures                 ~ 25 bar