Used horizontal 2300 Sq Ft Shell & Tube Heat Exchanger. 316L-SS Shell rated 253/143 PSI @ 650/780 deg F. 321-SS Tubes rated 281/163 PSI @ 570/680 deg F. 321-SS Heads. 34.25" Shell x 17' L. (OAL - 25' 11"). (600) 3/4" OD Tubes x 20' L. Nozzles: Shell - (2) 12"; Tubes - (2) 12". 1 Pass Shell, 1 Pass tubes. Built by Energy Exchanger, 1980. S/N: X-1290, NB #350. Type B. Saddle mount. Weight: 18,000 lbs. Previous Use: 2nd Feed Effluent Heat Exchanger.