Unused 3961 Sq Ft 316 Stainless Steel Shell and Tube Heat Exchanger. Mfr Praj Industries. Shell MAWP 16PSI/FV@266F. (560) 1.5"OD 4-Pass Tubes MAWP 40PSI/FV@194F. (2) Saddle Mounted. Overall 52"OD x 20'L. National Board #30. Serial #06D058-H1506B. Built 2008. Use: Finisher.