Unused 234 sq. ft. 2205 Duplex SS horizontal shell and tube heat exchanger. Mfg. by Wuxi Chemical Equipment 2023. 3.6 Design duty (MMBTU/Hr). Shell Design Rating: 180/FV psig @ 430/300 deg. F. Tube Design Rating: 232/FV psig @ 430/400 deg. F. Shell mawp 186.7/FV psig. Tube mawp 532/FV psig. 15.5" 108". Serial #WHA22-025-1. National Board #530. Recirculating exchanger. Under Nitrogen Purged.