Valves in these classes are also available with spiral wound or ring joint gaskets when specified.

如果用户要求,这些压力等级的阀门也可提供螺旋盘绕或环连接垫圈.

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The ring joint is self - aligning; the gasket maybe reused unless it is physically damaged.

这种环连接可 自行 调整对准; 除非出现物理损坏,否则垫圈可以重复使用.

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