Expansion Valve

FIG. 1 is a front, left side and top perspective view of an expansion valve comprising a new, original and ornamental design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a front, left side and top perspective view of an expansion valve comprising a new, original and ornamental design according to another embodiment;

FIG. 9 is a top view thereof;

FIG. 10 is a bottom view thereof;

FIG. 11 is a front view thereof;

FIG. 12 is a back view thereof;

FIG. 13 is a left side view thereof; and,

FIG. 14 is a right side view thereof.

The broken lines illustrate portions of the expansion valve and form no part of the claimed design.