Worm Gear WCB Flange Triple Eccentric Butterfly Valve with the best flange Material:A216 WCB Nominal Pressure:CL150-2500 Nominal Diameter:2″-24″ End Connection:RF,FF,M,F,TG,RG Operation:Worm Gear Working Temp:-29℃~200℃ Test/Inspection:API 598/ISO 5208 PS:We can manufacture valves as customers’ requirements.