I can’t upload the video; check whether there is corrosion or cavitation on the centrifugal pump casing

2019-11-13View Original

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The heat transfer oil used as the medium contains water due to leakage in the heat exchanger, with a temperature of 80–90 degrees Celsius. Could an expert help analyze the reason?

Reply #22019-11-13

There’s nothing wrong with the impeller; is it backflow cavitation?

Reply #32019-11-14

There is a problem with your equipment management; the pumps have not been operating properly for days now.

Reply #42019-11-14

Corrosion and cavitation mainly affect the high-pressure areas of the impeller

Reply #52019-11-14

It looks like cavitation; if there is corrosion, the lower part should be the same as the upper part, with a smoother surface on the lower side. Was the impeller just replaced, or is it made of a material that is more resistant to cavitation?

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I can’t upload the video; check whether there is corrosion or cavitation on the centrifugal pump casing

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