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rc螺纹和PT螺纹区别

更新时间: 2021-06-08 04:05:42     

1、管螺纹的标注中Rc与PT没有区别,它们指的是同一标准。PT是JIS旧的标准号,RC是JIS新的标准号。

2、PT(BSPT)是PipeThread的缩写,是55度密封圆椎管螺纹,属于惠氏螺纹家族,多用于欧洲及英联邦国家,常用于水及煤气管行业,锥度1:16,国标查阅GB/T7306-2000。

3、Rc 是英制密封圆锥管螺纹,它的牙角为55度;锥度也是1:16。

4、所以管螺纹的标注中Rc与PT没有区别。

关键词: rc 螺纹 pt 区别

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