Unused 1,049 sq. ft. Carbon Steel heat exchanger. Mfg. by Wuxi Chemical Equipment. 5.1 Design duty (MMBTU/Hr). Shell Design Rating: 250/FV psig @ 550 deg. F. Tube Design Rating: 325/FV psig @ 700 deg. F. Shell mawp 279/FV psig @ 550 deg. F. Tube mawp 368/FV psig @ 700 deg. F. 36" X 78". Serial #WHA22-016-1. National Board #509. Built 2023. Jet Side-Cut Stripper Reboiler. Under Nitrogen Purged.