Canned pump, please help me analyze the cause of damage.
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Canned pump, the impeller becomes like this. What is the cause? Is it caused by cavitation?
The medium is corrosive, otherwise this pump type will not be used, and you can consider changing the impeller material.
corrosion! ! You can consider switching to duplex steel! Or use a higher material!
Personally I think it's a corrosion issue. Upgrade the impeller material.
Severe corrosion, cavitation cannot be ruled out. Can you tell us about the medium and working conditions?
Corrosive or high-temperature media, cavitation, etc.
Medium, temperature, material, speed?