FIG. 1 is a top perspective view of the valve embodying our new design as claimed herein. FIG. 2 is a front view of the valve shown in FIG. 1. FIG. 3 is a back view of the valve shown in FIG. 1. FIG. 4 is a right side view of the valve shown in FIG. 1. FIG. 5 is a left side view of the valve shown in FIG. 1. FIG. 6 is a top view of the valve shown in FIG. 1; and, FIG. 7 is a bottom view of the valve shown in FIG. 1.