Internal gate valve for flow completion systems

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 34/04 (2006.01) E21B 33/035 (2006.01) E21B 33/04 (2006.01) E21B 34/10 (2006.01) F16K 3/02 (2006.01) F16K 31/122 (2006.01) E21B 33/00 (2006.01)

Patent

CA 2403876

A gate valve for a component which includes an elongated body and a flow passage extending generally longitudinally through the body, the flow passage including a generally lateral first branch connected to a generally longitudinal second branch. The gate valve comprises a gate which is moveable generally longitudinally across the first branch between an open position in which a hole in the gate is aligned with the first branch and a closed position in which the hole is offset from the first branch; a conduit which extends through the body from the gate; an actuating mechanism positioned in the conduit for moving the gate from a first position to a second position; and a return biasing mechanism for moving the gate from the second position to the first position; wherein one of the first and second positions corresponds to the open position of the gate and the other position corresponds to the closed position of the gate; and wherein the conduit extends generally longitudinally through the body.

L'invention concerne un robinet-vanne pour un composant comprenant un corps allongé et un passage pour fluide s'étendant généralement longitudinalement dans ledit corps, ledit passage comportant un premier branchement, généralement latéral, relié à un second branchement généralement longitudinal. Ledit robinet-vanne comprend un opercule pouvant passer, généralement dans la longueur du premier branchement entre une position ouverte où un orifice ménagé dans l'opercule est aligné avec le premier branchement et une position fermée où l'orifice est décalé par rapport au premier branchement, et vice versa ; un conduit s'étendant dans ledit corps à partir de l'opercule ; un mécanisme d'actionnement positionné dans le conduit de manière à faire passer l'opercule de la première à la seconde position ; et un mécanisme de retour destiné à faire passer l'opercule de la seconde à la première position. Le robinet-vanne selon l'invention est caractérisé d'une part en ce que l'une ou l'autre de la première et de la seconde position correspond à la position ouverte de l'opercule et en ce que l'autre position correspond à la position fermée de l'opercule ; et d'autre part, en ce que le conduit s'étend généralement longitudinalement dans le corps.

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