Used 500 Gallon Alloy Fab, Inc Stainless Steel Reactor, rated 150 PSI/FV @ 400F internal and 150 PSI/FV @ 400F on the jacket. 4'Dia x 5'6" Straight side (OAH - 17'). 20 HP Agitator motor, 208-220-440V/3ph/60Hz, 1760 RPM. Tp nozzles: 12" manway, 6", (2)-4", 3", (4)-2"; CBO- 2". Serial # 3598, National Board #2337, Built 1994.