Patent ID: 8333364
Filing Date: 2012-12-18
Classification: F16K

Abstract:
1. In a valve, the combination comprising a) a valve body defining an annular seat, and porting at upstream and downstream sides of the seat, b) a valve operating handle and stem, c) a tubular part connected into the body and defining a first side opening facing toward one of said sides, d) a pressure expansible elastomeric tubular stopper sleeve received within and rotatable relative to the tubular part in contact therewith and having e) whereby flow through the valve and stopper sleeve is established when said second side opening registers with said first side opening, and flow through the valve is blanked when said second side opening is rotated out of registration with said first side opening, f) said sleeve having a forward end portion projecting through said annular seat when the sleeve engages the seat to close the valve, g) a handle controlled rotary connector captivated axially into an end portion of the elastomeric sleeve spaced axially from said side openings, h) the sleeve having a closed end operatively connected with said stem, to be rotated by the handle about an axis passing through an opening defined by the seat, i) the sleeve defining a cylinder having an annular shoulder that engages the seat.