A216-WCB Gate Valve 1. Operation: Handwheel, Gear, Motor, Pneumatic operator 2. AISI, ASME, API A216-WCB Gate ValveForged steel gate valve describe:Size: NPS 1/2"-2" Pressure: Class 150 ... .FACE TO FACE,ASME B 16.10.STEEL VALVES,ASME B 16.34.BUTTWELDING ENDS,ASME B 16.25.END FLANGES,ASME B ...