Used 216 Sq. Ft. Monticello Tank, Inc. horizontal titanium (SB 338, Grade 12-wetted parts) shell and tube heat exchanger. Size 7-240. TEMA Type AEL. There are 55 tubes at 3/4" O.D. x 0.049" Thick x 20' long. Shell carbon steel, 9" O.D. x 271". Shell rated 170/-15 psi @ 500 deg F (1 pass). Tubes rated 116/-15 psi @ 500 deg F (1 pass). Serial # T102794. National Board # 5328. Year Built 1993. Nozzles: Shell side: (1) 4", (1) 2", (2) 1"; Tube side: (2) 3", (2) 1". Tema Type: AEL. Estimated Weight- 1237 lbs.