Used 462 Sq. Ft. Astro Metallurgical, Inc. vertical type BEM Titanium shell and tube heat exchanger. Size 19-87. CS Shell side: 100 PSI/FV @ 350°F; Tube side: 100 PSI/FV @ 350°F. There are 324 tubes 3/4" O.D. x 0.035" thick x 87" long, made of Titanium-Grade 2 material. 1 pass on shell and tubes. 20" Dia x 100" OAL. Shell nozzles: (1) 10", (1) 8"; Tube Nozzles: (1) 6", (1) 2". Serial # 55216, National Board #1634. Year Built 1994. O.A.D. approx. 32" x 100". Estimated weight 1705 lbs. (Drawing and U-2 and spec on file).