Dual seal valve

Details Dual seal valve Dual seal valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 25/00 (2006.01) F16K 1/42 (2006.01) F16K 1/44 (2006.01) F16K 15/02 (2006.01) F16K 17/04 (2006.01)

Patent

CA 2644061

A valve (10) is disclosed comprising a valve housing (14) including a valve seat (12), a valve head (16) movably housed within the valve housing (14) for seating with the valve seat (12), and a lip seal (30) connected to either the valve head (16) or the valve seat (12). The lip seal (30) is configured to be hydraulically biased into contact with the valve seat (12) or the valve head (16) to maintain closure of the valve.

L'invention concerne une soupape (10) comportant un logement de soupape (14) comprenant un siège de soupape (12), une tête de soupape (16) ménagée de manière mobile à l'intérieur du logement de soupape (14) pour reposer avec le siège de soupape (12), et un joint d'étanchéité à lèvre (30) raccordé soit sur la tête de soupape (16) soit sur le siège de soupape (12). Le joint d'étanchéité à lèvre (30) est configuré pour être encouragé de manière hydraulique à se mettre en contact avec le siège de soupape (12) ou la tête de soupape (16) pour maintenir la fermeture de la soupape.

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