Used 945 square feet horizontal Shell and Tube heat exchanger. Titanium GR7 Tubes rated 400 PSI @ 275 deg F. (8 pass). 304SS Shell rated 150PSI @ 175 deg F. (2 Pass). 316-SS Heads. Shell: 19" dia. x 23’ 6” long (OAL). (230) Tube Holes, .75” Dia. X 20’ L. Nozzles: Shell: (2)-6”, Tube: (2)-4”. MFD by: Camden Alloy Fabricators - 1980, NB stamped. U-Tube. TEMA Type: BFU.