8.9 Pipe work
No stress must be imposed on the pump on delivery side by the pipe
work; neither by the weight of the pipes nor by the tightening of badly
fitting pipes (Refer Fig: 5). All pipe worked attached to the pump must
be fully supported and the mating faces of the pipe flanges must be
parallel and all bolt holes coinciding with each other. (See table of
maximum forces on flanges) It is important; therefore, that alignment
of the pump and motor should be rechecked after the pipes are finally
fitted. Resetting or supporting the pipes must correct any deviation in
the alignment.
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