- 产品规范/用途/特点
-
GB截止阀应用规范 Application Norm
1、设计制造按122236-89
Design Manafacfure According to 122236-89
2、结构长度按GB12221-89
Face to Face According to GB12221-89
3、法兰尺寸按JB/T79-94
Flange Dimenaion Accoring to JB/T79-94
4、阀门检查和试验按GB13927
Valve check and Test According to GB13927
GB截止阀结构 Structure
B.B;OS&Y
Characteristic: B.B;OS&Y
- 产品型号/参数
-
GB截止阀主要零件材料