Application standard
1、Design manufacture GB12235-89
2、Structural length GB12221-89
3、flange size JB/T79-94
4、valve Inspection and experiment APID.598
1、Design manufacture GB12235-89
2、Structural length GB12221-89
3、flange size JB/T79-94
4、valve Inspection and experiment APID.598
Main Products
ball valve,gate valve,check valve,butterfly valve,globe valve,etc