A-T Controls Inc. Trunnion Ball Valves
A-T Controls’ trunnion-mounted ball valves include soft-seated (TS Series) and metal-seated (TM Series) options spanning 2″ to 48″ and class 150–2500. They deliver fire-safe, blow-out-proof reliability with ISO 5211 mounting, emergency sealant ports, and hard-faced seat protection.

