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- Common problems>
- Big vibration noise
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conditions:Severe cavitation
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conditions:Excessive working fluid
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conditions:Poor coupling alignment
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conditions:No fixed foot bolts
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conditions:Impeller imbalance
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Approach:Plus cavitation protection device
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Approach:Reduced flow, method, or the installation of orifice flowmeter
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Approach:Re-checking the concentricity of the coupling to conform to national standards or industry standards.
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Approach:Dead end of bolt tightening
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Approach:Re-balanced impeller for