No, I disagree. Both are not correct.
Any design/P&ID that proposes that the supply/suction piping be smaller than the pump inlet has an idiot process person/CAD-trained person in an authority position.
Not to be insensitive, but, hey, that is one of the basics and a fundamental concept in piping design.
Does gas/vapour/air typically collect at low points in a piping system?
Paul
constant george wrote:
> Both statements are correct; it is all about supplying
> source. Pump Handbook explains the phenomena in more
> detail; McNally should take note of that. And make
> sure that the reduced section is not smaller than the
> pump suction! (believe it or not, I just fixed such
> problem recently).
Received on Fri Feb 25 22:43:00 2005
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