check valve

mak123 · Jul 25, 2009

Is there any head loss ( pressure drop/loss) when water runs through a check valve(back-flow preventor)? thanks

hj · Jul 25, 2009

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.

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mak123 · Jul 26, 2009

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.

Then, which type of check valve is least pressure drop? thanks

hj · Jul 26, 2009

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 · Jul 26, 2009

Yep we need to what its being used on and supply size.

check valve

mak123

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hj

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mak123

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hj

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SewerRatz

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