FIG. 1 is a top perspective view of a cover for a tubular heat exchanger showing our new design.

FIG. 2 is a bottom perspective view thereof.

FIG. 3 is a front elevational view, the rear elevational view being a mirror image thereof.

FIG. 4 is an end elevational view, the other end elevational view being a mirror image thereof.

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.