Used 2358 Sq Ft Vertical SS Heat Exchanger. CS Shell rated 500 & 15 Ext/FV PSI @ 550 Deg F. 304L-SS tubes rated 200 PSI @ 450 deg. F. Shell: 37.5" OD x 22' 8" (OAL - 23' 2"). (563) 1" Tubes x 16' L. Nozzles: Shell - 8" in, 4" out: Tubes - 12" in, 20" out. Type AEL. Mfg by Miller Exchangers, 1977, S/N: J-393-2, NB# 107. Previous use: Column Reboiler. Approx weight: 22,100 lbs.