Modular actuator for valves and chokes

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 34/06 (2006.01)

Patent

CA 2524336

The invention contemplates a simple coupling means for interfacing linear acting actuator shafts with valves or hydraulic chokes. The coupling means of the present invention allows either an actuator or an interconnected valve or choke to be rapidly, safely, and efficiently interchanged with a replacement part. The present invention is broadly applicable to a wide variety of actuator types having rectilinear motion outputs and to a large variety of valve and choke types which are operated by linear motions, including gate valves with or without balanced stems.

L'invention concerne un moyen de couplage simple garantissant la liaison entre des arbres de commande linéaires et des valves ou dispositifs d'étranglement hydrauliques. Le moyen de couplage de la présente invention permet à un dispositif de commande ou à une valve ou dispositif d'étranglement interconnectés d'être échangés rapidement, en toute sécurité et de manière efficace, avec une pièce de remplacement. La présente invention peut s'appliquer à une grande variété de types de dispositifs de commande à mouvements rectilignes, et à une grande variété de types de valves et de dispositifs d'étranglement commandés par des mouvements linéaires, y compris des clapets obturateurs avec ou sans mandrins équilibrés.

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