Unused 333 sq. ft. Duplex 2205 SS horizontal heat exchanger. 7.9 Design duty (MMBTU/Hr). Mfg. by Wuxi Chemical Equipment (China) in 2023. Shell Design Rating: 370/FV psig @ 300 deg. F. Tube Design Rating: 285/FV psig @ 330 deg. F. Shell mawp 662.3/FV psig @300 deg. F. Tube mawp 288.3/FV psig @ 330 deg. F. 5.5" X 16'7.5". Serial # WHA22-087-2-1-A. National Board #571. Feed/Effluent exchanger. Under Nitrogen Purged.