焊接垫圈系统(韦里开发一个特殊的固定方法)，母盘不刺破。

Weld Washer System (a special fixing method developed by Kaveri) where in mother plate is not punctured.

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封闭装置凸缘可用机械方法或焊接方法洽当接合。除非封闭装置本身是防漏的，否则必须使用垫圈或其他密封件。

Closure flanges may be mechanically seamed or welded in place. Gaskets or other sealing elements shall be used with closures, unless the closure is inherently leak proof.

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例如，传感器是完全焊接并且不需要穿容易发生内部垫圈。

For example, the sensor is fully welded and does not require wear-prone internal gaskets.

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