Weld including B-weld and socket weld.

焊接包括对焊和承接焊。

End Connections? Choice of flanged, threaded or socket weld ends.

连接端口-可提供法兰、螺纹或焊接连接端口供用户选择。

End Connections - choice of flanged, threaded or socket weld ends.

连接端口-可提供法兰、螺纹或焊接连接端口供用户选择。

There are available in three different kinds: threaded, butt-weld, and socket weld.

目前有三种不同类型：带螺纹的，碰焊，承插焊接。

Steel Valves, socket Welding and Threaded Ends-Conforms to socket weld end requirements.

钢阀门，承接焊和螺纹端承插焊接的要求。