Some embodiments of a valve flushing kit used in temporarily flushing a globe valve can include a flushing bonnet assembly that includes a circular disk adapted to be received in the upper opening of an internal valve cavity of a valve when a closure bonnet and a closure member of the valve are removed and a plurality of bonnet clamps each having at least one opening therethrough, wherein the opening can be adapted to be received on one of the threaded studs protruding from the upper exterior surface of a body of the valve and the bonnet clamps can be held in place by the threaded nut.