Valve seats

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

Patent

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251/29

F16K 1/226 (2006.01) F16K 1/228 (2006.01) F16K 5/06 (2006.01) F16K 5/20 (2006.01)

Patent

CA 1303007

ABSTRACT A metal valve seat for a butterfly valve or ball valve and has the form of an apertured disc with a radially outward part by which it is securable to a valve body and a radially inward dished part which projects laterally around the disc aperture. The valve seat is characterised in that the disc part is formed circumferentially with a plurality of web-connected fingers which have a radially inward surface of varying generative radius. The invention also consists in a butterfly valve or a ball valve incorporating one or a pair of such metal valve seats.

569434

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