Slider, especially a pipe bridge slider

Details Slider, especially a pipe bridge slider Slider, especially a pipe bridge slider

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 3/20 (2006.01)

Patent

CA 2269500

Single-plate slide valve, in particular single-plate pipe- bridge slide valve (10) with a sliding plate (16) and where appropriate pipe bridge (20), which in order to close or open a fluid passageway (17) formed in a housing (11) can be shifted by an actuating mechanism (18, 19) within this housing (11), wherein the sliding plate (16) or pipe bridge (20) comprises on its edges sealing surfaces that correspond to sealing surfaces, in particular ring sealing surfaces (14, 15), disposed on the housing side. At least one of the housing-sided sealing surfaces (14, 15) is part of a sealing ring (23) disposed in the housing (11), which is apposed under initial elastic tension to the facing sealing surface of the sliding plate (16) or pipe bridge (20) 20

Coulisse monoplaque, en particulier coulisse à pont tubulaire monoplaque (10) comprenant une plaque coulissante (16) et, éventuellement, un pont tubulaire (20) montés coulissants à l'intérieur de l'enveloppe (11), en vue de la fermeture ou de l'ouverture d'un passage de fluide (17) à travers des moyens de commande (18, 19), la plaque coulissante (16) et, éventuellement, le pont tubulaire (20) présentant des surfaces d'étanchéité en bordure, associées aux surfaces d'étanchéité de l'enveloppe, en particulier, des surfaces annulaires d'étanchéité (14, 15). Conformément à l'invention, au moins l'une des surfaces d'étanchéité (14, 15) de l'enveloppe forme une partie d'une bague d'étanchéité (23) disposée dans l'enveloppe (11), cette bague s'appliquant, sous précontrainte élastique, sur la surface d'étanchéité associée de la plaque coulissante (16) ou du pont tubulaire (20).

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