Used 75 sq.ft. Shell & Tube Heat Exchanger, (42)- 5/8" O.D. x 11' Long Inconel 600 - U Tubes, Stainless Steel Sheets, Channel and Head, 12" dia.x 72" Long Carbon Steel Shell, Rated 1185 PSI @ 600 F Shell, 135 PSI @ 200 F Tube Side, 6-Pass Tube Side, Single pass shell side, 2" inlet and out let shell and tube side, on legs, ASME & NB Code Stamped. (Code Papers in file)