There are a few different check valve designs, including swing check valves and spring-loaded poppet-style check valves. Understanding which type is best for a given application and ensuring ...

Check valves are installed in many piping systems. Their purpose is to allow flow in only one direction, which can be critical for plant safety and to protect equipment from… ...

Brass valve "swings" out, no "O" rings and the piping is never disturbed. Holds vacuum or pressure in either direction. Self adjusting seats for quality seal. Eight position quarter-turn, self ...