This 3″ Sch 80 PVC True Union Ball Valve, EPDM, (SOC x SOC) is a true union ball valve open and closes a ball inside with a full sized hole with a quarter turn of the handle. The integrated unions allow the valve to be easily installed or removed. 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. Our prices are a fraction of what you pay at your local plumbing store, order from Petram PVC Supply for quick shipping.