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标准——ISO6149-1 一般螺纹油口[0]

Posted on 2023年11月14日2023年11月14日 by

BS ISO 6149-1 一般螺纹油口,本标准主要用于定义阀块上开孔的尺寸,采用公制非密封螺纹,密封采用O型圈ISO6149-4。与之配套的螺纹柱端分为轻系列ISO6149-3和重系列ISO6149-2两种。注意此类密封面为斜面。这种结构的密封,在没有力矩扳手的情况下,也不会因为过拧紧而伤及密封圈。对应的中国标准为GBT 2878.1-2011 液压传动连接 带米制螺纹和O形圈密封的油口和螺柱端 第1部分:油口,因此本标准在中国也算是常用标准。

参考资料:

  1. http://www.jr-pipe.com/technical/

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