High-pressure, hemi-wedge cartridge valve

Details High-pressure, hemi-wedge cartridge valve High-pressure, hemi-wedge cartridge valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 43/00 (2006.01)

Patent

CA 2599954

A valve having a cartridge that fits within the valve housing and that may be replaced without removing the valve housing from adjoining equipment. The cartridge contains a wedge having curved surfaces and a driver to rotate the wedge from an open to a closed position. When the wedge rotates to the closed position a seal is formed on the convex surface of the wedge and a sealing assembly is moved to form a seal around the outlet of the valve housing.

L'invention porte sur une vanne dont la cartouche qui s'adapte à son logement peut être remplacée sans devoir démonter l'équipement voisin. La cartouche comporte un boisseau à surface courbe et une tige de commande faisant tourner le boisseau de la position ouverte à la position fermée. Lorsque le boisseau passe en position fermée le joint formé à sa surface convexe et le dispositif d'étanchéité se déplacent pour former un joint autour de la sortie du logement de la vanne.

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