62.5 sq. ft vertical graphite cylindrical block heat exchanger. MFD by Carbone, type PBC8DL-5PU-1-6, Serial # 11153, built 1998. Shell rated 185 psi @ 400 deg. F, tubes rated 100 psi & FV @ -20/+400 deg. F. ASME code stamped. 1 pass axial, 6 pass radial. Shell 15" dia. x 90" long. Openings: Tube side 1-3", 1-2". Shell side 2-1 1/2", 1-2".