Metal O-ring is unique gasket made of metal tube which is formed and butt-welded into a round shape or other shapes. The gasket

is equipped with various advantages and it can be sealed with low tightening force, can be formed into various shapes according to the shapes of mating face and can be used for high temperature and ultra-vacuum services. It is the most suitable gasket for sealing such machinery and equipment that space factor and compactness are accounted for much of their designs.

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