A device for safety closing or opening of a flow

Details A device for safety closing or opening of a flow A device for safety closing or opening of a flow

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 17/30 (2006.01) F17D 5/06 (2006.01)

Patent

CA 2336005

A device for actuation of a valve member released automatically from a first position of readiness for safety shut-off or safety opening of a flow upon occurrence of a need thereof comprises an arrangement (29-37) adapted to cause a movement of a valve body of the valve member in the position of readiness into a second position of an opposite type, open or shut-off, upon occurrence of the need and a member (21) controlled by hand power and substantially rigidly connected to the valve body through a transmission means, so that the position of this member directly corresponds to a determined position of the valve body. The control member is adapted to bring the valve body from the second position obtained after said release through movement thereof by hand power into a first position for resetting the device to the position of readiness.

L'invention concerne un dispositif permettant d'actionner une vanne, pour assurer en cas de besoin le passage automatique depuis une première position d'attente prête à la fermeture ou prête à l'ouverture par rapport à un flux. Un arrangement (29-37) est conçu pour faire passer en cas de besoin un corps de vanne de la première position susmentionnée à une seconde position opposée, ouverte ou fermée. Il existe en outre un élément de contrôle (21) à main, sensiblement rigide, relié au corps de vanne par un système de transmission, de sorte que la position de cet élément corresponde directement à une position déterminée du corps de vanne. L'élément de contrôle est conçu pour faire revenir manuellement le corps de vanne de la seconde position résultant du passage automatique susmentionné à la première position de réinitialisation du dispositif en position d'attente prête à la fermeture ou prête à l'ouverture.

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