Used 66 sq.ft. horizontal steel shell and tube heat exchanger. U-Tube, MFD by Trumbo, 1994, NB stamped. 316L-SS Tubes rated 500 PSI/FV @ 500Ëš F. CS Shell rated 500 PSI/FV @ 500 deg F. 316-SS Heads. Shell dia: 1', Tube dia: 3/4" x 6' long. 56 Tube Holes, Tube Wall - .065". Shell has 2-(2)" nozzles, Tube nozzles: 2-(3"). Previous use: Reboiler. Data sheets on file.