Used 25 Square Feet RAS Process Equipment, Inc Hastelloy Horizontal Heat Exchanger / Condenser. Shell (C/S) rated 150psi and full vacuum @ 347 F, hastelloy B-3 tubes (SB-333 B3) rated 150 psi and full vacuum @ 347 F. (32) 3/4" tubes, 16 gage, 48” long. Serial #98156103, National Board # 1032, Built 1999. Previous Use: API Pilot Plant