UNUSED 9760 Sq. Ft. Vertical Heat Exchanger. CS Shell rated 150 PSI @ 400 Deg F. 304-SS tubes rated 75 PSI @ 500 deg. F. 304L-SS Head. Shell: 4'6" dia x 24'L. OAL: 30'2". 1554 Tube Holes - 1" dia tubes X 24'L. 1 Pass Shell. 1 Pass Tubes. Shell Nozzles: 2-12",. Tube Nozzles 2-30". Built by A&B Process Systems, MFG 2009. S/N: 0909450607, NB# 839.