- 产品规范/用途/特点
-
保温闸阀应用规范 Application Norm
1、设计制造按12234-89 Design Manafacfure According to 12234-89
2、结构长度按GB12221-89 f-ace 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
保温闸阀结构 Structure
B.B;OS&Y
Characteristic. B.B;OS&Y
- 产品型号/参数
-
