撑开式金属密封阀门的结构和原理

The structure and principle of expanding metal-sealed valve

介绍了新型撑开式金属密封阀门的结构特点、工作原理及其在管路系统中的使用性能。

Introduces a kind of new-style valve, analyses design feature and operational principle for the valve, point out excellence for overall arrangement on piping of the valve.