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I would like to ask everyone about the maintenance of multi-stage vertical centrifugal pumps

2011-05-17View Original

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This post was last edited by lovestory on 2011-5-17 23:46. I am currently using a multi-stage vertical centrifugal pump – note that it is vertical – and it is used to transport toxic solutions. I would like to install a flushing pipe for use during maintenance. May I ask the experts: should this flushing pipe be installed at the pump’s inlet or outlet? In other words, is it positive flushing or reverse flushing?
Reply #22011-05-17
I don’t know the answer to this question either. However
Reply #32011-05-17
Forward flushing is less effective than reverse flushing, but reverse flushing causes the mechanical seal to leak. If it is not a highly toxic chemical, it is recommended to perform direct flushing, and the flushing time can be extended.
Reply #42011-05-17
It can only be connected at the inlet; this isn’t flushing of a mechanical seal.

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