Treatment of Common Faults of Self - priming Centrifugal Pumps

The cause of the malfunction Remedy Centrifugal pump does not oil 1, the pump casing without liquid or liquid storage less than 2, suction pipe leakage 3, speed error 4, Suction too high or suction pipe is too long 5, the mechanical seal leakage Large 6, the suction pipe gas can not be discharged from the outlet 1, add enough liquid 2, check and eliminate leakage 3, adjust the direction 4, reduce suction or shorten the suction pipe 5, repair or replacement 6, open the outlet valve noise and Large vibration 1, unstable feet 2, bending of pump shaft 3, cavitation 4, serious bearing wear 5, foreign matter in inlet pipe 6, different spindle between pump and motor 1, reinforcement 2, replacement or Calibration 3, adjust the working conditions 4, replace 5, remove debris 6, adjust the concentricity Oil less than 1, sundries into the suction pipe or impeller flow is blocked 2, the speed is too low 1, remove the blockage 2, transferred to the rated Speed ​​shaft power consumption is too large 1, the flow is too large 2, the speed is too high 3, the pump shaft bending or impeller stuck 4, the pump flow blockage or stuck 1, increasing the outlet pressure 2, appropriate to reduce 3, replacement or Correction 4 Exclude blockage

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