How to choose gaskets most safely
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Putting aside the types of gaskets, how should one choose products of the same category based on their quality? For example, in the case of metal wound gaskets, what exactly determines their quality? Now that precise cutting can be achieved through CNC technology, the only factor that determines quality is the material. Since it is not a high-tech industry and human factor plays a minor role, it is the material that determines the quality. For the same 304 steel strip, the quality of the graphite strip becomes even more important. The quality of graphite depends on its stability. Flexible graphite with low loss on ignition is the best material
The difference might lie in the presence of internal and external reinforcement rings. Generally, reinforcement is not necessary; however, if you are concerned, you can choose flat or convex flanges with internal and external reinforcement. For concave-convex flanges, the basic version is sufficient. If high-pressure ring connections are involved and better quality is required, then 316L material should be used