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["Augee Dreiwege-Probleme bei der Durchflussver失", "Möine mich an euch,uf alle,请教", "Was ist eine Auffrissch Dreiwege-K es es bei der Dreiwege,在管道上开开孔后另接一路支管?工厂成型的的三通采用磨具挤压或或" "Neben den vis visen Unterschieden: 2.0.0前者开孔的孔表面光洁度较差;后者管道内表面连续光滑 2.2.前者开孔一般小于支管内径;后者通与管道等径 3.前者开孔在流体通过孔处是99°转向,有涡流;后者为圆滑过渡、降低涡流 3.上述差异会导致前者的阻力降大于后者"

2018-07-31View Original

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"Eine AAufrwas DreiweWeist所谓的承插焊三通。 缺点在于: 开口处是直角通过口径比较较小的、内壁不好处理还有焊接的疤痕液体流动的阻力比较大。如果焊接质量不好容易出漏点。"]
Reply #22018-08-01
1 管线挖眼三通?是否在管道上开孔后另接一路支管?工厂成型的三通采用磨具挤压或拔制 2. 列举几个表观的差异: 2.1.前者开孔的孔表面光洁度较差;后者管道内表面连续光滑 2.2.前者开孔一般小于支管内径;后者可与管道等径 2.3.前者开孔在流体过孔处是90°转向,有涡流;后者为圆滑过渡,降低涡流 3 上述差异会导致前者的阻力降大于后者
Reply #32018-08-01
挖眼三通,就是所谓的承插焊三通。 缺点在于:开口处是直角,口径比较小的,内壁不好处理,还有会焊接的疤痕,液体流动的阻力比较大。如果焊接质量不好,容易出点漏点。

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