Flow restricted seat ring for pressure regulators

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 1/42 (2006.01) G05D 16/00 (2006.01)

Patent

CA 2660146

A control device includes a valve body, a seat ring, and an actuator. The valve body defines a flow-path for a fluid. The seat ring is disposed within the flow-path. The actuator is coupled to the valve body and includes a control member. The control member is adapted for displacement relative to the seat ring for regulating a flow of the fluid through the flow-path. The control member includes a sealing disk adapted to sealingly engage the seat ring and close the flow-path. The seat ring includes an orifice disposed within the flow-path such that the seat ring prevents at least a portion of the flow of the fluid from substantially perpendicularly impacting the sealing disk.

L'invention concerne un dispositif de commande comprenant un corps de soupape, une bague de siège, et un actionneur. Le corps de soupape définit un chemin d'écoulement pour un fluide. La bague de siège est disposée dans le chemin d'écoulement. L'actionneur est accouplé au corps de soupape et comprend un élément de commande. L'élément de commande est adapté pour se déplacer par rapport à la bague de siège afin de réguler le débit d'écoulement du fluide à travers le chemin d'écoulement. L'élément de commande comprend un disque de fermeture étanche adapté pour entrer en prise étanche avec la bague de siège afin de fermer le chemin d'écoulement. La bague de siège comprend un orifice disposé dans le chemin d'écoulement de façon à ce que la bague de siège empêche au moins une partie de l'écoulement de fluide d'avoir un impact sensiblement perpendiculaire sur le disque de fermeture étanche.

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