Butterfly valve with a rigid seal

Details Butterfly valve with a rigid seal Butterfly valve with a rigid seal

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 1/226 (2006.01)

Patent

CA 2704470

A valve is disclosed and can include a valve body having a central bore for passage of fluid there through and a longitudinal axis. The valve can also include a seal installed within the valve body along the central bore. The seal can include a first seal member (152) having an annular ring portion (156) and a hub portion (158) extending from the annular ring portion. The seal can also include a second seal member (154) including an annular ring configured to engage a distal end of the hub portion and create a sealing engagement between the hub portion and the annular ring when a compressive force is applied to the first and the second seal members.

L'invention concerne une vanne comprenant un corps de vanne présentant un alésage central à travers lequel un fluide peut s'écouler, et un axe longitudinal. Cette vanne peut également comprendre un joint monté à l'intérieur du corps de vanne, le long de l'alésage central. Ce joint peut comprendre un premier élément d'étanchéité (152) présentant une partie bague annulaire (156) et une partie moyeu (158) s'étendant depuis la partie bague annulaire. Le joint peut également comprendre un second élément d'étanchéité (154) comprenant une bague annulaire conçue pour s'accoupler à une extrémité distale de la partie moyeu et pour créer un accouplement étanche entre la partie moyeu et la bague annulaire lorsqu'une force de compression est appliquée sur le premier élément d'étanchéité et le second élément d'étanchéité.

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