Horizontal Centrifugal Pump Vibrations

mkotaMember

We have a three impeller horizontal centrifugal BFW pump driven by motor through gear coupling. The pump was commissioned in 1992. Since than this pump is having problem of high vibrations. Particularly in vertical. Amplitude remains in the range of 70 to 100 and velocity from 9 to 15. Trial had been done as suggested by many experts but there was no improvement. Line tension, balancing, bearings, Lubrication etc. are the critaria tried. Please suggest if any thing can be done.

11/8/061:37 AM

Original Post

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