接着通过管道螺母将扩口端拔出使其内部表面与管件球座紧密结合。
The flared end is then drawn up by the tube nut so the inside surface is tightly secured against the ball seat of the fitting.
凸环 内密封圈被压紧并填充满了凸环内的全部空隙，实现薄壁金属管与管件 的连接。
The seal ring is compressed tightly and filled the whole clearance in convex ring to realize the connection of the thin wall metal tube and pipe fitting.
介绍了内衬不锈钢复合钢管良好的使用性能，以及管与管之间和管与管件之间的几种连接方式。
It introduces the good usage properties of liner stainless steel compound steel pipe and several kinds of connection types between pipe and pipe and pipe with pipe fitting.
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