Valve controlled in dependence on differential pressure

Details Valve controlled in dependence on differential pressure Valve controlled in dependence on differential pressure

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/126 (2006.01) F16K 31/165 (2006.01) G05D 16/06 (2006.01)

Patent

CA 2077281

A valve controlled in dependence on differential pressure comprises a valve housing (4), a diaphragm housing (16) fastened thereto, and connected therewith a setting device (3) with a set-point spring (50). Fastened in the centre of the diaphragm (23) there is an insert (26) against which an end contact face (28) of the valve rod (7) lies. The insert (26) is connected by way of an articulation (37) to a pin (36) which projects into the setting device (3) and is there loaded by the set-point spring (50). In that manner, the valve movement is prevented from being obstructed by the influence of transverse forces.

Élément de robinetterie, commandé en dépendance de la pression différentielle, comportant un boîtier d'élément (4), un boîtier de membrane (16) fixé à ce dernier, et un dispositif de réglage (3) relié au boîtier d'élément au moyen d'un ressort de valeur de réglage (50). Un renfort (26) est fixé au centre de la membrane (23), et une face de contact d'extrémité (28) de la tige de manoeuvre (7) s'appuie contre lui. Ce renfort (26) est relié, au moyen d'une charnière (37), à une goupille (36) qui fait saillie dans le dispositif de réglage (3). Il est chargé dans l'élément au moyen d'un ressort de valeur de réglage (50). De cette façon, le déplacement de l'élément de robinetterie ne peut pas être entravé par l'influence des forces transversales.

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