Integral seat disc locator for off center disc valve

Details Integral seat disc locator for off center disc valve Integral seat disc locator for off center disc valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 1/22 (2006.01)

Patent

CA 2079958

ABSTRACT OF THE DISCLOSURE A butterfly valve apparatus which includes a valve body having an interior wall defining a generally cylindrical passageway having a centerline. The apparatus includes a shaft having a centerline extending ordinarily generally diametrically within the passageway. The shaft is carried by the valve body to permit rotation with respect to the body; a valve disc is mounted on the shaft in offset relationship from the centerline of the shaft and the disc is movable between an open position in which the disc is aligned with the centerline of the passageway and a closed position in which the disc is disposed in perpendicular relationship to the centerline of the passageway. An elastomeric mem- ber is disposed on the interior of the passageway and cooperates with hubs carried on the shaft to center the valve disc and to seal the periphery of the disc. 13

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