Corrugated gasket is a kind of soft gasket, whose sealing effect is better than that of the metal flat qasket. According to the different medium, flexiblegraphite, PTFE, non-asbestos plate or other soft metal can be chosen to beaffixed to both sides of the gasket. We can make use of the soft covering socket's airtightness and the metal's strong strength and flexibility as well as the function of labyrinth seal to yield the same sealing effect with a small gasket compaction. The comprofile gasket can be used directly and also have a good sealing effect without the covering seal course, but that will easily lead to the flange's surface loss in a high-pressure case.

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