FIG. 1 is a front, top and left side perspective view of a flow-rate control valve showing a first embodiment of my design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a right side view thereof;
FIG. 8 is a front, top and left side perspective view of a flow-rate control valve showing a second embodiment of my design;
FIG. 9 is a front view thereof;
FIG. 10 is a rear view thereof;
FIG. 11 is a top plan view thereof;
FIG. 12 is a bottom plan view thereof;
FIG. 13 is a left side view thereof;
FIG. 14 is a right side view thereof;
FIG. 15 is a front, top and left side perspective view of a flow-rate control valve showing a third embodiment of my design;
FIG. 16 is a front view thereof;
FIG. 17 is a rear view thereof;
FIG. 18 is a top plan view thereof;
FIG. 19 is a bottom plan view thereof;
FIG. 20 is a left side view thereof;
FIG. 21 is a right side view thereof;
FIG. 22 is a front, top and left side perspective view of a flow-rate control valve showing a fourth embodiment of my design;
FIG. 23 is a front view thereof;
FIG. 24 is a rear view thereof;
FIG. 25 is a top plan view thereof;
FIG. 26 is a bottom plan view thereof;
FIG. 27 is a left side view thereof;
FIG. 28 is a right side view thereof;
FIG. 29 is a front, top and left side perspective view of a flow-rate control valve showing a fifth embodiment of my design;
FIG. 30 is a front view thereof;
FIG. 31 is a rear view thereof;
FIG. 32 is a top plan view thereof;
FIG. 33 is a bottom plan view thereof;
FIG. 34 is a left side view thereof;
FIG. 35 is a right side view thereof;
FIG. 36 is a front, top and left side perspective view of a flow-rate control valve showing a sixth embodiment of my design;
FIG. 37 is a front view thereof;
FIG. 38 is a rear view thereof;
FIG. 39 is a top plan view thereof;
FIG. 40 is a bottom plan view thereof;
FIG. 41 is a left side view thereof;
FIG. 42 is a right side view thereof;
FIG. 43 is a front, top and left side perspective view of a flow-rate control valve showing a seventh embodiment of my design;
FIG. 44 is a front view thereof;
FIG. 45 is a rear view thereof;
FIG. 46 is a top plan view thereof;
FIG. 47 is a bottom plan view thereof;
FIG. 48 is a left side view thereof; and,
FIG. 49 is a right side view thereof.