Asahi/America CPVC ball and check valvesAsahi/America announces the NSF 61 certification of its CPVC Type-21 ball valves and CPVC ball check valves in sizes 1/2- through 4-inch. Type-21 ball valves with CPVC bodies and EPDM or FKM seats and seals, as well as ball check valves with CPVC bodies and EPDM or FKM seats and seals meet the requirements of NSF/ANSI/CAN Standard 61 – Drinking Water Components. Available with socket, threaded or flanged end connections, the Type-21 ball valves are pressure rated up to 230 psi and are full vacuum-rated in all sizes. The ball check valves may be used
