Solenoid Valve

FIG. 1 is a front, top and right side perspective view of a solenoid valve comprising a new, original and ornamental design; FIG. 2 is a front view thereof; FIG. 3 is a back view thereof; FIG. 4 is a top view thereof; FIG. 5 is a bottom view thereof; FIG. 6 is a left side view thereof; and, FIG. 7 is a right side view thereof. The broken lines shown in the figures are included for the purpose of illustrating portions of the solenoid valve and form no part of the claimed design.