Pigging ball valve

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 5/06 (2006.01) F16L 55/46 (2006.01)

Patent

CA 2480501

A pigging ball valve with a housing and ball core supported for rotation within the housing. The ball core sits on a valve seat, which is supported by a seat carrier. The valve seat carrier has three distinct diameters that locate the seat in the housing and thus provides an anti-cocking feature. A seat insert has a pressure sealing surface and wiper lip on the outer diameter of the pressure sealing surface. An internal seat deflector ring is provided inside of the pressure sealing surface. The seat carrier is spring loaded.

Un clapet à bille de raclage comprenant un logement et un noyau de bille soutenu pour une rotation dans le logement. Le noyau de bille repose sur un siège de clapet qui est soutenu par un porteur de siège. Le porteur du siège de clapet comprend trois diamètres distincts situés dans le siège du logement et qui fournissent ainsi une caractéristique anti-déclenchement. Une pièce rapportée de siège comprend une surface d'étanchéité et un rebord racleur sur le diamètre extérieur de la surface d'étanchéité. Un déflecteur de siège interne est fourni à l'intérieur de la surface d'étanchéité Le porteur de siège est à ressort.

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