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How important is an electrical center
On a 200 HP electrical motor driving a vertical centrifugal pump how important is determining an electrical center when spacing and setting the coupling? Seems we are shearing alot of coupling bolts and we do not know why.....- seakro
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- Replies: 7
- Forum: Electric motors & generators engineering
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Cavitational pitting or galvanic action
What comes first... We have a set of shipboard pumps which are in my opinion showing pitting similar to cavitation on the inlet vanes of the impellors. Some camps claim that due to galvanic action or electrolysis has caused this wear by first knocking off the oxide layer then accelerating...- seakro
- Thread
- Replies: 18
- Forum: Pump engineering
