Fluid flow control device having a seat ring retainer

Details Fluid flow control device having a seat ring retainer Fluid flow control device having a seat ring retainer

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 1/42 (2006.01)

Patent

CA 2705287

A control valve having a retainer for securing a seat ring within the valve body of the device is disclosed. The seat ring is disposed within a bore in the fluid flow path of the valve body of the control valve, and the retainer is attached to the inner surface of the valve body to retain the seat ring within the bore. The retainer includes threaded openings therethrough for receiving bolts that are tightened down on the seat ring to hold the seat ring against the inner surface of the bore and/or a gasket to form a tight seal and prevent leakage when the control device is in the closed position.

L'invention concerne une soupape de commande comportant un dispositif de retenue pour fixer une bague de siège dans le corps de soupape du dispositif. La bague de siège est disposée dans un alésage dans la voie d'écoulement de fluide du corps de soupape de la soupape de commande, et le dispositif de retenue est fixé à la surface interne du corps de soupape pour retenir la bague de siège dans l'alésage. Le dispositif de retenue comprend des ouvertures filetées au travers pour recevoir des boulons qui sont serrés sur la bague de siège afin de maintenir la bague de siège contre la surface interne de l'alésage et/ou un joint statique pour former un joint étanche et empêcher une fuite lorsque le dispositif de régulation est dans la position fermée.

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