Globe valve
? 应用规范 Application Norm:
1. 设计制造按 GB 12235-89
Design Manafacfure According to
GB12235-89
2. 结构长度按 GB 12221-89
Face to Face According to GB
122221-89
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 Gb 13927
? 结构 Srtucture:
B.B:OS&Y
Characteristic:B.B；OS&Y
