This 1?” Sch 80 PVC Compact Ball Valve, EPDM, (SOC x SOC) opens and closes to stop flow with a quarter turn of the handle. Compact ball valves are smaller than copmarable true union ball valves. Socket connections are joined to pipe of the same diameter with solvent welding. Sch 80 PVC is robust and durable, perfect for commercial and industrial applications. EPDM seals provide effective sealing with resistances to several chemicals over a wide range of temperatures. We buy at the lowest prices so we can pass the savings onto you.