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