FIG. 1 is a first perspective view of a check valve with valve seat showing my new design;
FIG. 2 is a second perspective view thereof,
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a cross-sectional view thereof taken along the line 9-9 in FIG. 5;
FIG. 10 is a cross-sectional view thereof taken along the line 10-10 in FIG. 3;
FIG. 11 is a cross-sectional view thereof taken along the line 11-11 in FIG. 3;
FIG. 12 is a cross-sectional view thereof taken along the line 12-12 in FIG. 3;
FIG. 13 is a cross-sectional view thereof taken along the line 13-13 in FIG. 3; and,
FIG. 14 is a cross-sectional view thereof taken along the line 14-14 in FIG. 3.