Thursday, December 24, 2009

[MW:3889] What is NPSH?

Dear All'
I' ve to inspect centrifugal pumps for (chilled water) as per API 610.
I m familiar with all the inspection stages,but I want to know more about NPSH test.
A) NPSH test to be done at 5 points 1) zero flow 2) min. flow 3) in between min. & rated flow
    4) rated flow & 5) max. flow. is it correct?
B) What r the parameters to be checked during above mentioned test?
C) What is to be checked during performance test?
I need detail guideline,pl. help.
Thanx & Regds.to all.
PSP  


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