Unused 979 sq. ft. Carbon Steel horizontal heat exchanger. Mfg. by Wuxi Chemical Equipment. 2.32 Design duty (MMBTU/Hr). Shell Design Rating : 150 psig @ 190 deg. F. Tube Design Rating: 120/FV psig @ 150/300 deg. F. Shell mawp 297 psig @ 190 deg.F. Tube mawp 214.88/FV psig @ 150 deg. F. 25" X 168". Serial #WHA22-031-1. National Board #508. Caustic Dilution Cooler. Under Nitrogen Purged.