An ornamentaldesign for a flow control module, as shown and described.
FIG. 1 is a top, front perspective view of a flow control module;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a right side elevation view thereof; and,
FIG. 7 is a left side elevation view thereof.
The dotted lines in FIGS. 1-7 are included for the purposes of showing features and portions of the flow control module that form no part of the claimed design. The article is shown with a symbolic break in its length and width. The appearance of any portion of the article between the break lines forms no part of the claimed design.