This 3″ Sch 80 CPVC True Union Ball Valve, EPDM, (FNPT x FNPT) 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. a male adaptor, threaded pipe or pipe nipple connects to this part. CPVC is a higher temperature version of PVC and has better chemical resistances. 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.