The ornamental design for an electromagneticvalve, as shown and described.
FIG. 1 is a front, top, and left side perspective view of a an electromagnetic valve;
FIG. 2 is a rear, bottom, and right side view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a left side elevational view thereof; and,
FIG. 8 is a right side elevational view thereof.
The broken lines shown in the figures are for the purpose of illustrating portions of the electromagnetic valve that form no part of the claimed design.