Gate valve with lubricated secondary seal

Details Gate valve with lubricated secondary seal Gate valve with lubricated secondary seal

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 3/36 (2006.01) F16K 3/02 (2006.01) F16K 41/02 (2006.01)

Patent

CA 2753081

A gate valve includes a pair of opposing housing members, a gate, primary sealing sleeves and a secondary sealing member. The primary sealing sleeves are disposed in each of the housing members. The gate is configured to slidably pass through a transverse gate chamber defined when the housing members are joined together. The secondary sealing member is secured between the housing members and includes at least one passage or aperture configured to allow lubricating fluid to be applied through at least one of the housing members through the secondary sealing member and onto the gate.

La présente invention porte sur un robinet-vanne qui comprend une paire d'éléments de logement opposés, une vanne, des manchons d'étanchéité primaires et un élément d'étanchéité secondaire. Les manchons d'étanchéité primaires sont disposés dans chacun des éléments de logement. La vanne est configurée pour traverser de manière coulissante une chambre de vanne transversale définie lorsque les éléments de logement sont réunis. L'élément d'étanchéité secondaire est fixé entre les éléments de logement et comprend au moins un passage ou une ouverture configurée pour permettre l'application d'un fluide de lubrification à travers l'un des éléments ou plusieurs éléments de logement à travers l'élément d'étanchéité secondaire et sur la vanne.

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