Apparatus for isolating a ball-cock assembly

摘要

An apparatus for isolating a ball-cock assembly locatable within a water closet flush tank from fluids contained within the flush tank has independent sleeve means of a material impervious to the fluid within the flush tank which is associated with a fluid riser of the ball-cock assembly and encloses the riser to provide a fluid-tight barrier between the riser and the fluid within the flush tank and mounting means for securing the sleeve means to the flush tank and providing a fluid-tight seal therebetween.