Mid-Pressure Flanged Steel Gate Valve/Pressure Valve
* Design and Manufacture GB12234
* Face to face/End to end dimensions to GB12221
* Pressure-Temp Rating GB9131 or JB/T3595 or HG20604
* Flange dimensions to JB/T74~90 or 9113 or HG20592~20635
* Inspection and Test to JB/T9092 or GB13927