Get current pricing for Doyle & Roth, 1,699 Sq. Ft. Doyle 1699 Sq. Ft. Vertical Steel Shell & Tube Heat Exchanger. Cs Shell Rated 305 Psi @ 465 F, Cs Tubes Rated 60 Psi @ 850f. Shell: 39 Od X 9', . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: