Flange surface roughness of the influence, especially sealing effect when using the soft cushion, seal surface coarse degree value big are caused by the leak is one of the main reasons why.

法兰表面粗糙度对密封效果影响很大，特别是当采用非软质垫片时，密封表面粗糙的度值大是造成泄露的主要原因之一。

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The valve can be installed in horizontal or vertical. Add seal cushion between two flanges connection and screw down bolt.

本阀可水平安装或垂直安装，安装时两法兰联接中间必须加密封垫片，然后均匀锁紧螺栓。

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And seal material and seal cushion structural design are the foundations that the seal technology is used on the engine.

而密封材料和密封垫结构设计是密封技术在发动机上应用的基础。

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