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