Pump abnormal sound

Pump abnormal sound

  1, Fluid cause: such as, centrifugal pump import flow is insufficient, cause cavitation, making a noise; Pump export gas in the pipeline, cause water attack, the impact of a sound, etc.

  2, Mechanical cause: bearing quality requirements or damage; Part of the pump action gap inappropriate, cause friction; Shaft bending caused friction inside; Too late damage fall off; Pump used in low head into foreign body, etc.

  3, Motor cause: most of the pump if rated head in more, beyond the rating range, the flow rate of the pump would exceed ratings, leading to large motor current, motor violent vibration and fever.