Plast-O-Matic Valvesexpanded its line of thermoplastic ball valves to include new, largerpipe sizes. The new valves are designed for three-inch and four-inchpiping. The rugged, true-union valves are available in PVC, CPVC, PVDFand polypropylene. Standard seals are EPDM or FKM (Viton), and PTFEseats.  The new sizes complement the original True Blue Ball Valveline of 1/2″ through 2″ valves. Piping connections are offered forsocket or threaded installation.  Actuation packages are alsoavailable.