Water-seal Globe Valve กันยายน 2, 2018กันยายน 2, 2018adminValves Quoting StandardsDesign and Manufacture GB12235Face to face/End to end dimensions to GB12221 or GB/T15188.1Inspection and Test to JB/T9092 Material of main parts Brand: JIE HUA VALVE, KITZ, POWELL, AIL, WALWORTH, BONNEY,VOGT, COOPER-DRESSER