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  1. Prajesh Mistry

    High vibration in vertical turbine pump

    But the vibration reading on motor solo run is very below, so this eliminate the motor issue.
  2. Prajesh Mistry

    High vibration in vertical turbine pump

    Thanks for replying. However i want to throw more light on the issue as below: 1. The dominant frequency is 1X with side bands of 80 CPM. Vibration is fluctuating between 15 to 30 mm/s. 2. The vibration is higher in one direction(along the discharge line) only. 3. During overhauling of pump...
  3. Prajesh Mistry

    High vibration in vertical turbine pump

    Hi, We have a newly commissioned vertical turbine pump of KBL make which is having the details as below: Power: 180 kW, Flow: 2500 m3/hr, Disch. head: 20 mtr, Service: Raw water, motor RPM: 984 Problem: The pump is having high vibration of approx. 30 mm/s at motor NDE, However we did the...

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