Butt weld and flanged valves have the same end-to-end dimensions for Class 300 and up.
Butt weld and flanged valves have the same end-to-end dimensions for Class 300 and up.
300磅级以上的对焊和法兰阀门具有相同的面到面尺寸。
Butt weld and flanged valves have the same end-to-end dimensions for Class 300 and up.
300磅级以上的对焊和法兰阀门具有相同的面到面尺寸。