how a prv works.
Posted by Lance Elliott on February 01, 1999 at 19:54:47:
I am an irrigation contractor. One mystery that has baffled me for a few days is pertaining to pressure regulators. The question came to me when I held a standard 25-75 prv and for some reason blew through it, my breath came out the other end. The question is how then can a prv regulate static pressure if I can blow through it? Dynamic pressure I know it can regulate, but I can adjust the static pressure (once installed) on my closed main line? How can that be????
help



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