There is an indent on the flange of pipe body for arranging a sealing ring in it during the assemblage of pipeline in order to increase its tightness.

为解决现有凸缘式预制溜管密封性差的问题，本发明在管体的凸缘上带有凹槽，以便在装配中安装密封圈，提高其密封性。

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The flange pipe of the high diameter groove is a new type of steel pipe connection, also known as the clip connection, there are many advantages.

高径槽法兰管是一种新型的钢管连接，也称为夹连接，有许多优点。

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Current quotation process for hydrogenation reactor has been analyzed and the main affecting factor is the weight of pipe flange and the internals of the reactor.

对目前加氢反应器的报价过程进行了分析，发现其主要影响因素是反应器的接管法兰和内构件的重量。

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