Design standard: API ,BS,DIN,GB Ends conntction:RF forged gate Valve Design standard: API ,BS,DIN,GBEnds conntction:RFClass: from ... /ANSI B16.5A, ASME B16.47) SW (ASME B16.25) Operator: handwheel, gear, subulate gear, actuator Body main material: A105 LCB ...