Get current pricing for Doyle & Roth, 650 Sq. Ft. SS Shell 650 Sq Ft Horizontal Ss Shell & Tube Heat Exchanger. 304-ss Shell Rated 275 Psi @ 100/-20 Deg F. 304-ss Tubes Rated 183 Psi @ 100/-20 Deg F. Shel . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: