Patent ID: 8640728
Filing Date: 2014-02-04
Classification: A62C,E03B,F16K,Y10T

Abstract:
1. A valve control device comprising: an operating stem; a valve top plate having a conical base with at least three stabilizer arms extending therefrom, each of the at least three stabilizer arms having a flat outer surface wherein each of the at least three stabilizer arms has an inner edge opposite the outer surface, the inner edge having a concave curve having one or more radii; wherein the at least three stabilizer arms are disposed around the conical base so that centerlines of the stabilizer arms are spaced apart by between a range of 90 and 135 degrees; a valve seat rubber; a valve bottom plate securing the valve seat rubber between the valve bottom plate and a flat bottom surface of the valve top plate, the valve bottom plate, the valve seat rubber and the conical base being mounted on the operating stem; and a valve seat ring having a plurality of slots, each of the plurality of slots corresponding to one of the at least three stabilizer arms.