Double toric sealing ring

Details Double toric sealing ring Double toric sealing ring

F - Mech Eng,Light,Heat,Weapons

16

J

251/29, 277/51

F16J 15/16 (2006.01) F16K 1/226 (2006.01)

Patent

CA 1170684

ABSTRACT OF THE DISCLOSURE A flexible double toric sealing ring comprising two toric sealing ring structures which ensure respectively, a static seal and a dynamic seal. A counter ring is mounted radially on the second sealing ring structure and floats with it to allow self centering of the arrangement with respect to the valve seat. A sealing membrane presents an elastically deformable structure interconnecting the two sealing ring structures while partially covering them. The two sealing ring structures are mounted on opposite sides of the middle section of membrane. This double toric sealing ring can be advantageously applied to a butterfly valve.

393718

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