Get current pricing for Hebeler, Hebeler Approx 339 S Vertical Approx 339 Sq Ft Shell & Tube Heat Exchanger. 304l-ss Shell Rated 75 Psi/fv @ 350 Deg F. 316-ss Tubes Rated 75 Psi/fv @ 350 Deg F. 18 S . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: