China Pneumatic Wafer Type Hard-Sealed Butterfly Valve/Spring Return, Find details about China Pneumatic Butterfly Valve, Pneumatic Valve from Pneumatic Wafer Type Hard-Sealed Butterfly Valve/Spring Return
Design Reference | GB | ANSI |
Design Standard | GB/12237 | ANSI B16.34 |
Wafer Connecting | GB/12221 | ANSI B16.10 |
Connecating Flange Size | GB/9113;JB/T79 | ANSI B16.5 |
Test&Inspection | JB/T9002 | API 598 |