NPSH
NPSH
(OP)
What is NPSH(Net positive suction head)? Can anybody explain this.
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RE: NPSH
Start with Wikipedia and then Mc Nally Institute.
It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts. (Sherlock Holmes - A Scandal in Bohemia.)
RE: NPSH
I hate Windowz 8!!!!
RE: NPSH
NPSH is a calculation you do to to make sure that the liquid as it enters a pump has enough absolute head to stop it cavitating and the pump does not work properly and over time can destroy the impellor.
Strictly speaking, NPSHr for a pump is when the differential head reduces by 3%. Cavitation can occur before then, but if you're asking this sort of basic question this may be going a bit far....
My motto: Learn something new every day
Also: There's usually a good reason why everyone does it that way