Used horizontal 2383 Sq Ft Shell & Tube Heat Exchanger. 321-SS Shell rated 253/143 PSI @ 780/1075 deg F. 321-SS Tubes rated 281/163 PSI @ 710/980 deg F. 321-SS Heads. 35" Shell x 17' 7" L. (OAL - 26'). (620) 3/4" OD Tubes x 20' L. Nozzles: Shell - 14" inlet, 12" outlet; Tubes - 12" inlet, 14" moutlet. 1 Pass Shell, 1 Pass tubes. Built by Energy Exchanger, 1980. S/N: X-1249, NB #351. Type BEM. Saddle mount. Weight: 20,000 lbs. Previous Use: 1st Feed Effluent Heat Exchanger.