UNUSED 284 sq-ft, Atlas Hastelloy C-276, Vertical Shell & Tube Heat Exchanger. Carbon Steel Shell and heads. Shell & Tubes Rated 150PSI/FV @ 450 F. (248) Tubes - 3/4" OD. 18" dia x 5' 11" OAL. National Board #9161, Built 2001. TEMA Type: BEM. Documentation on file.