Get current pricing for Killebrew Engineering, 4,830 Sq. Ft. 304L-S 4830 Sq Ft Horizontal Ss Heat Exchanger. 304l-ss Shell Rated 75 Psi @ 250 Deg F. 304l-ss Tubes Rated 75 Psi @ 250 Deg. F. Shell: 52 Od X 16' . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: