Used 9887 Sq Ft horizontal shell & tube heat exchanger. CS shell (SA-516) rated 175 PSI @ 350 degrees F. Admiralty Brass (SB-111C44300) Tubes rated 150 PSI @ 150 degrees F. Shell OD: 36" OD x 25' 7.7" L (OAL: 32' 1"). (561) 1" dia Tubes x 26' L. Passes: Shell-1, Tubes-1. Shell nozzles: 16", 12". Tube nozzles: (2) 16", (2) saddle supports. Mfg by Fabsco Shell & Tube LLC, 2007. S/N: S06-9497-1. NB #5121. Previous Use: Deisobutinizer Condenser. U-1 & drawing on file. Weight: 23,250 lbs.