mak123 New Member Messages 36 Reaction score 0 Points 0 Jul 25, 2009 #1 Is there any head loss ( pressure drop/loss) when water runs through a check valve(back-flow preventor)? thanks
Is there any head loss ( pressure drop/loss) when water runs through a check valve(back-flow preventor)? thanks
hj Master Plumber Messages 33,613 Reaction score 1,057 Points 113 Location Cave Creek, Arizona Website www.terrylove.com Jul 25, 2009 #2 flow THere is always a little bit just because of the design of the device. How much depends on WHICH type you are asking about.
flow THere is always a little bit just because of the design of the device. How much depends on WHICH type you are asking about.
mak123 New Member Messages 36 Reaction score 0 Points 0 Jul 26, 2009 #3 hj said: THere is always a little bit just because of the design of the device. How much depends on WHICH type you are asking about. Click to expand... Then, which type of check valve is least pressure drop? thanks
hj said: THere is always a little bit just because of the design of the device. How much depends on WHICH type you are asking about. Click to expand... Then, which type of check valve is least pressure drop? thanks
hj Master Plumber Messages 33,613 Reaction score 1,057 Points 113 Location Cave Creek, Arizona Website www.terrylove.com Jul 26, 2009 #4 valve Check valve and "backflow preventer" can be the same thing, or they can be vastly different. What are you using it for? A swing check has the least resistance and the highest failure rate.
valve Check valve and "backflow preventer" can be the same thing, or they can be vastly different. What are you using it for? A swing check has the least resistance and the highest failure rate.
SewerRatz Illinois Licensed Plumber Messages 1,681 Reaction score 10 Points 38 Location Chicago, IL Website www.a-archer.net Jul 26, 2009 #5 Yep we need to what its being used on and supply size.