Get current pricing for Killebrew Engineering, 72 Sq. Ft. SS U-Tube 72 Sq Ft Horizontal Ss U-tube Heat Exchanger. Cs Shell Rated 150 Psi @ 200 Deg F. 304l-ss Tubes Rated 200 Psi @ 200 Deg. F. Shell: 10.75 Od X 12 . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: