Seal assembly

Details Seal assembly Seal assembly

F - Mech Eng,Light,Heat,Weapons

16

K

251/30, 277/39

F16K 1/22 (2006.01)

Patent

CA 1195966

ABSTRACT OF THE DISCLOSURE A bi-directional valve comprising a valve body with a recess having a planar surface and a retaining ring having a recess, with the recesses forming a chamber therebetween having an axial centerline parallel to the planar surface and sealing means in said chamber for engagement with a closure means. The sealing means comprising an integral seat ring and a resilient back-up means. The seat ring includes an outer portion, an offset hinged L-shaped portion having a cavity therein to position said back-up means, and a substantially rectangular inner portion having a shoulder ring portion on each side thereof and having a sealing surface with a circum- ferential groove. Pressurization of said sealing means results in substantially perpendicular application of forces of said back-up means and the fluid pressure onto the closure means.

412004

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