Unused 669 sq. ft. Carbon Steel horizontal heat exchanger. 6.82 Design duty (MMBTU/Hr). Mfg. by Wuxi Chemical Equipment (China). Shell Design Rating: 304/FV psig @ 340 deg. F. Tube Design Rating: 232/FV psig @ 430 deg. F. Shell mawp 478.2/FV psig @340 deg. F. Tube mawp 477.8/FV psig @ 430 deg. F. 29" X 84". Serial #WHA22-022-1. National Board #540. Built 2023. Stripper Reboiler. Under Nitrogen Purge