Problems with fluoroplastic pumps

2016-10-11View Original

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I would like to ask about fluoroplastic pumps, with an alkaline medium at 35 degrees. Within half a year, large cracks appeared in multiple areas on the front backplate of the impeller (closed type) twice. The impeller diameter is 400, and the area of the notched U-shaped portion is large.

Reply #22016-10-11

Are there any pictures? It would be good to be able to see a picture

Reply #32016-10-11

This definitely isn’t caused by corrosion; it must be a problem with the structural design or the manufacturing process

Reply #42016-10-12

It’s probably due to insufficient strength; corrosion generally doesn’t occur in this case. What is the diameter of 400, and what is the rotation speed?

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Problems with fluoroplastic pumps

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