Legend Valve's PVC in-line check valves are constructed of ASTM D1784 virgin PVC resin and 304 stainless steel. They give positive backflow prevention with the use of a spring-loaded PVC poppet. They may be installed horizontally or vertically.
1/2 LB 304 Stainless Steel Spring Pressure Rating: 150 W.O.G. at 73° F. Maximum Service Temperature: 140° F.