Heat exchanger, shell & tube, 739 square feet, designed for 150 PSI/full vac @ 250 deg. F. on both shell & tube side. single pass, shell is type SA-106B mild steel, (484) tubes, 3/4" diameter x 96" long, constructed of type SB-338-7 welded titanium. Last used vertical. Manufactured by Titan Metal Fabricators, Camarillo, California. Model TICS-739-24-1-96-BEMV, serial number 12091-1-1, new 2007. like new condition. Prints and code papers. Empty weight 2753 pounds.