Trunnion December 27, 2019 by cbrunet trunnion JMC Trunnion Ball Valve Sizes: 2, 3, 4, 6, 8, 10, 12 inches Pressure Classes: 600, 900, 1500, 2500, 5000 Connections: Flanged Ends (RF, RTJ) WKM Trunnion Ball Valve Sizes: 2, 3, 4, 6, 8, 10, 12, 16 inches Pressure Classes: 150, 300, 600, 900, 1500, 5000 Connection: Flanged Ends (RF, RTJ)