METAL SEAL RING AND CONDUIT DEVICE USING METAL SEAL RING

摘要

Disclosed is a metal seal ring set between first and second elements such as duct end flanges to seal therebetween. The metal seal includes an annular sealing member and an annular seal ring body provided on the radially outside of the sealing member. The annular sealing member includes annular first and second sealing surfaces to be engaged with the first and second elements, respectively, and an annular pressure receiving surface provided therebetween and defining an annular depression opening radially inward of the metal seal ring. Annular first and second sealing portions are defined by the annular depression and the first and second sealing surfaces. The annular seal ring body is configured to engage the first and second element when the metal seal ring is clamped by the first and second elements to prevent the first and second sealing portions from being excessively deformed.