This 1″ Sch 80 CPVC True Union Ball Valve, VITON, (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. VITON seals provide increased temperature resistance than EPDM seals and recommended for exposure to oils, gasoline and aggressive chemicals. Petram PVC has all the schedule 80 PVC and CPVC fittings and valves you need for your project.