Chinese Standard: GB/T 27944-2011

Dryseal pipe threads with the thread angle of 60 degrees

MOD  ASME B1.20.3:1976

全国螺纹标准化技术委员会(SAC/TC 108)、全国量具量仪标准化技术委员会(SAC/TC 132)

本标准规定了60°干密封管螺纹的牙型、基本尺寸、公差、标记和量规。
 本标准适用于对螺纹密封性能有较高要求的管子、阀门、管接头及其他管路附件的螺纹连接。

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