This 2?” Sch 80 CPVC Pneumatic Ball Valve, VITON, Double Acting, (SOC x SOC) is a true union ball valve with a pneumatic actuator on top for automatic control when compressed air is applied. the pneumatic actuator opens and closes when compressed air is applied to the respective ports. Socket connections are joined to pipe of the same diameter with solvent welding. 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 supply has a huge inventory of Sch 80 PVC and CPVC parts.