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Problems of centrifugal pumps

 Problems of centrifugal pumps

1.Cavitation—the net positive suction head (NPSH) of the system is too low for the selected pump

2. Wear of the impeller—can be worsened by suspended solids
 
3. Corrosion inside the pump caused by the fluid properties
 
4. Overheating due to low flow
 
5. Leakage along rotating shaft
 
6. Lack of prime—centrifugal pumps must be filled (with the fluid to be pumped) in order to operate
 
7. Surge

 

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