Get current pricing for Killebrew Engineering, 1,642 Sq. Ft. Vertic 1642 Sq Ft Vertical Ss Heat Exchanger. Cs Shell Rated 175/fv Psi @ 400 Deg F. 304l-ss Tubes Rated 180 Psi @ 350 Deg. F. Shell: 30 Od X 20', . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: