Assembly for use with valves having cage

Details Assembly for use with valves having cage Assembly for use with valves having cage

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 47/08 (2006.01)

Patent

CA 2711819

A seal assembly (202) for use with valves having a two-piece cage is described. An example seal assembly includes a body defining a bore extending along an axis to slidably receive a closure member. The body includes a first portion (216) removably coupled to a second portion(218). The first portion includes a first groove (236) and the second portion includes a second groove (240). The first and second grooves form a sealing surface (242) when the first portion couples to the second portion. The example seal assembly further includes at least one sealing member (250) disposed adjacent the sealing surface to provide a seal against the closure member and a biasing element (254) to bias the sealing member toward the sealing surface.

La présente invention concerne un ensemble joint d'étanchéité (202) destiné à être utilisé avec des vannes ayant une cage formée de deux éléments. Un ensemble joint d'étanchéité représentatif comprend un corps qui définit un alésage s'étendant sur un axe afin de recevoir de manière coulissante un élément de fermeture. Le corps comprend une première partie (216) couplée de manière détachable à une seconde partie (218). La première partie comprend une première rainure (236) et la seconde partie comprend une seconde rainure (240). Les première et seconde rainures forment une surface d'étanchéité (242) lorsque la première partie se couple à la seconde partie. L'ensemble joint d'étanchéité représentatif comprend également au moins un élément d'étanchéité (250) situé adjacent à la surface d'étanchéité pour former un joint d'étanchéité contre l'élément de fermeture et un élément de sollicitation (254) qui sollicite l'élément d'étanchéité vers la surface d'étanchéité.

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