The electric motor of a centrifugal pump has for a period of time gradually been running at lower and lower current. Tthe pressure is reduced as well. What is a probable cause of this?

asked 04 Jun '18, 11:47

June 4, 2018, 11:47 a.m.
marinexpert's gravatar image

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The most probable cause is increased inner diameter of impeller due to cavitation or reduced outer diameter because of erosion.

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answered 04 Jun '18, 11:49

June 4, 2018, 11:49 a.m.
cheng's gravatar image

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edited 06 Jun '18, 02:03

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