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  ■    What factors affect energy efficiency of centrifugal pump?    By:admin    
 
 
# What factors affect the energy consumption efficiency of the centrifugal pump?
?? The energy consumption efficiency is determined by some of the various losses other than the theoretical required shaft power.
List various losses

A. Hydraulic loss
① Friction loss between the suction nozzle of the pump and the discharge nozzle
② Hydraulic loss of impeller, guide vane, casing, etc.
③ Impulse loss at inlet and outlet of impeller

B. Leakage Loss
① Clearance leakage of wear ring
② Leakage of shaft and bushing of multi-stage pump gap plate
③ Clearance of balance disc
④ Feather and front plate clearance of open impeller
⑤ Leakage of shaft device

C. Disc friction loss
Loss that occurs when the impeller rotates in the casing

D. Mechanical loss
Friction loss of bearings and shaft devices
 
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