This 2″ Sch 80 CPVC Pneumatic Ball Valve, EPDM, Single Acting, (FNPT x FNPT) is a true union ball valve with a pneumatic actuator on top for automatic control when compressed air is applied. the penumatic actuator opens when compressed air is applied to it but closes due to internal springs. 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. Order from Petram PVC supply today for the lowest prices online in Canada.