ERA True Union Ball Check Valve CPVC PLASTIC Valves ASTM F1970
Double Union Check Valve (Threaded)
PVC True Union Ball Check Valve with Slip and Threaded Fittings Grey -
HYDROSEAL Sharkfellow 1'' PVC True Union Ball Check Valve with Full Port, ASTM F1970, with EPDM Seals, Corrosion-Free, Service Free, Rated at 200 PSI @73F, Gray, 1 inch Socket (1''): Amazon.com: Industrial
TC Series True Union Ball Check Valves 1/4" - 6" PVC, 1/2" - 6" CPVC AND - Hayward Flow Control - PDF Catalogs | Documentation | Boating Brochures
Spears 4522-030 Ball Check Valve, 3 in | Cooney Brothers