Abrasive slurry handling valves

F - Mech Eng,Light,Heat,Weapons – 04 – B

Patent

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Details

F04B 53/10 (2006.01) F04B 15/02 (2006.01)

Patent

CA 2214820

Abrasive slurry handling valves in which the movable valving member includes an upper jaw, a lower jaw, and a resilient sealing ring clamped between the upper jaw and the lower jaw. The upper jaw includes a toroidal resilient sealing ring clamping portion, a valve stem portion, and an aligning member for aligning the jaws; and the lower jaw includes a toroidal resilient sealing ring clamping portion, a passage for receiving the aligning member, and a set of valving member guiding legs.

La présente invention vise des vannes de traitement de boue abrasive où la partie mobile de la vanne se compose d'une mâchoire supérieure, d'une mâchoire inférieure et d'une bague d'étanchéité résiliente fixée entre ces deux mâchoires au moyen de brides. La mâchoire supérieure comprend une section toroïdale résiliente assurant le serrage de la bague d'étanchéité, une tige de soupape et un segment d'alignement permettant d'aligner correctement les mâchoires; la mâchoire inférieure consiste en une section toroïdale résiliente assurant le serrage de la bague d'étanchéité, un logement destiné à recevoir le segment d'alignement et une série de pattes de guidage pour la partie mobile des vannes.

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