4" Ind. CPVC BV, PTFE, SOCKET, EPDM, 22247 4" CPVC True Union Ball Valve is suitable for temperatures that can range up to 200 degrees F. These valves are pressure tested to meet 150 PSI, are suited for more aggressive chemicals than standard PVC and have standard EPDM seals. These valves come with socket ends so that hookup into your piping system will not be an issue. Equipping these valves with an easy 1/4 turn handle makes them very easy to work with in order to stop or start the flow for you piping system. These valves are easily repaired or replaced in line because of the double union ends they come equipped with.