China Ductile Iron/Wcb/Stainless Steel Non Rising Stem O&Y Resilient Seat Industrial Control Butterfly Gate Valve, Find details about China Gate Valve, Control Valve from Ductile Iron/Wcb/Stainless Steel Non Rising Stem O&Y Resilient Seat Industrial Control Butterfly Gate Valve
Design and manufacture standard | CJ/T216-2005 |
Structural length | GB/T 12221 |
Size of flange | GB/T 17241.6(cast iron),GB/T9113.1(cast steel) |
Test and inspection | GB/T 13927 |