Application Specification
1,Valve body junction strength not less than the flange connection weld strength
2,Valve minimum thickness requirements in accordance with GB 12234
3,Ball valve fully open channel and the body should be guaranteed access in the samen week online
4,Valve should be designed under pressure in the medium,open packing gland,the valve stem as prolapse different structure
5,Valve marking requirements in accordance with provisions of GB 12234
6,Valve supplier provisions required by the JB/T7928-1999
7,Valve inspection requirements by JB/T9092-1999 requirements