Get current pricing for Southern Heat Exchanger (, 1,456 Sq. Ft. Southe 1456 Sq Ft Ss Horizontal Shell & Tube Heat Exchanger. Cs Shell Rated 100 Psi @ 300 Deg F. 304l-ss Tubes Rated 50 Psi @ 300 Deg F. 304l-ss Heads. . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: