Check Valves

Standard: API, DIN, JIS, GB, API 600, API 602, API 603, ANSI. 
Material: Stainless Steel, Carbon Steel, Brass, Bronze, Alloy Steel, Titanium, 904l, Ductile Iron, Cast Iron Forged Steel, Cast Steel.
Size: 1/2"~28", DN15~DN800.
Pressure: 150LB~2500LB, PN10~PN420.
Type: Swing, Dual Plate, Wafer, Pressure Seal, Y Type, Flanged, Cryogenic, Low Temperature, Lift, Ball Type, Tilting Disc, Rubber Flapper, Lined, Non Slam, Silent, Vertical, Multifunctional, Sanitary.

A check valve, clack valve, non-return valve a treadmill-way valve is really a mechanical device, a valve, which normally enables fluid (liquid or gas) to circulate through it in just one direction. Check valves are a couple of-port valves, meaning they've two openings in your body, one for fluid to go in and yet another for fluid to depart. There are numerous kinds of check valves utilized in a multitude of applications. Check valves are frequently a part of common household products. Although these come in an array of sizes and charges, many check valves are extremely small, simple, and/or cheap. Check valves work instantly and many aren't controlled with a person or any exterior control accordingly, most have no valve handle or stem. The bodies (exterior shells) on most check valves are constructed with plastic or metal.