China API Certificate Triple Eccentric Flanged Metal Seat Industrial Control Valves Butterfly Valve, Find details about China Butterfly Valve, Valve from API Certificate Triple Eccentric Flanged Metal Seat Industrial Control Valves Butterfly Valve
Design and Manufacture Standard | GB/T 12238-2008,API609 |
Flange Connection Dimension | GB/T 9113.1,GB/T 17241.6,ANSI B16.5 |
Face to Face | GB/T 12221,ASME B16.10 |
Pressure Test | GB/T 13927,API598 |