Plast-O-MaticValves” expanded its line of thermoplastic ball valves to includelarger pipe sizes. The new valves are designed for three-inch andfour-inch piping. Rugged, true-union valves are available in PVC, CPVC,PVDF and polypropylene. Standard seals are EPDM or FKM (Viton) withPTFE seats. The new sizes complement the original True Blue BallValve line of valves. Piping connections are offered for socket orthreaded installation. Actuation packages are also available.