Patent ID: 7300075

Claim:
A sealing assembly comprising a first metal body with a first sealing surface, a second metal body with a second sealing surface, and coupling means for detachably coupling the first and the second body to one another under axial compression, characterized in that the first body, in a mating surface thereof, is provided with a rounded centering chamber with a flat bottom and an upright wall, which bottom constitutes the first sealing surface, and in that the second body is provided with an annular collar raised from a mating surface, which collar has an inner and an outer wall and a narrowed end portion, said narrowed end portion having a flat end face that forms the second sealing surface, wherein the outer wall of the collar has a centering surface that abuts against the upright wall of the centering chamber in the first body, wherein the coupling means directly press the second sealing surface against the first sealing surface to form a metal-to-metal pressure seal, and wherein the narrowed end of the collar bulges outwards.