Used 750 Gallon Alloy Fab Reactor, 316L stainless steel construction, 56" diameter x 60" straight side, dishedtop and bottom, rated 75 PSI or full vacuum internal at 400 degrees F, jacketed for 150 PSI at 400 degrees F, jacketed on bottom head and full straight side, 1/2 H.P. Lightnin Agitator, 3" center bottom outlet, Serial No. 12802, National Board No. 522.