天气预报 > 其他 > 所有管螺纹本身都具有密封性吗
所有管螺纹本身都具有密封性吗
更新时间: 2020-07-03 00:00:00  

管螺纹分为密封管螺纹和非密封管螺纹。

非密封管螺纹用作机械连接用,要实现密封需要辅助密封,如常见的加生料带;

密封管螺纹可实现密封性,但允许辅助密封;

干密封型管螺纹不允许加生料带等辅助密封,螺纹制造验收要求很高,可实现真正意义的螺纹密封。

关键词: 所有 螺纹 本身 具有 密封

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