Used vertical approx 106 Sq Ft U-Tube Shell & Tube Heat Exchanger. CS Shell rated 25 PSI/FV @ 450 deg F. CS Tubes rated 125 PSI @ 200 deg F. 14" Shell x 39.5" L. (OAL - 94"5"). (48) 3/4" OD U-Tubes x 68" L. Nozzles: Shell - (2) 4"; Tubes - (4", 1". Built by Nitram Energy, 1995. S/N: 1173, NB Stamp. Type: BU. Weight: 2,000 lbs. Previous Use: Recycle Column Reboiler.