How to more effectively solve the problem of multi-stage mining pump rotation difficult

1) The running clearance between wear rings is not correct

Elimination measures: check the gap is correct. Replace pump housing or impeller wear ring as required.

2) The pressure on the pump casing is too high

Elimination measures: Eliminate stress and factory representatives advice. After eliminating the stress, check the alignment.

3) Shaft or impeller ring swing too much

Remedy: Check rotating parts and bearings and replace worn or damaged parts as required.

4) There is dirt between the impeller and pump casing wear ring, dirt in pump casing wear ring

Remedy: Clean and inspect wear rings and replace as required. Cut off and eliminate the source of dirt.

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