What is a True Union Ball Valve and What is it For?
Apr 5, 2016 . For these types of applications, true union ball check valves are perfect. But what are . But if liquid tries to pass back through the other way, the valve will close, stopping any reverse flow. . Ball check valves are perfect for liquids and chemicals, however, since those don't require a completely air tight seal.
ACCOR Technology: Supply Stop Valves . Push Fit Technology .
Since its introduction in 1988, The ACCOR® system has been a health safe, lead free solution for over 2.5 million new home installations.Get Price