Used 7135 Sq Ft horizontal shell & tube heat exchanger, U-Tube. CS shell rated 150 PSI @ 250 degrees F. (1312 Tube holes) 3/4" CS tubes rated 200 PSI @ 200 degrees F. Shell dia: 4'5" OD, OAL: 35'. Shell nozzles: 18", 8", 3", Tube nozzles: (2) 10", CS Heads. No of Baffles: 6, TEMA Type: BKU, (2) saddle supports. Mfg by Exchanger Repair Inc, 1991. Previous Use: Reboiler. U-1 & drawing on file.