Used Atlas 314 sq. ft. Hastelloy shell and tube heat exchanger. 20" diameter X 47.75" face to face length. C-276 Hastelloy shell rated 150/FV @ -20 to 400 degrees F. C-276 Hastelloy tube bundle rated 150/FV @ -20 to 400 degrees F. Carbon steel heads. Passes: 1-shell, 1-tube. (499) 5/8" tubes. 3" service inlets, (1) 4" and (1) 8" process inlets. 304 stainless steel supports. S/N 9147. Built 1995. National Board Number 7752.