Used 500 gallon Tolan 316L Stainless Steel agitated Reactor. Maximum working pressure: 316L SS Shell: FV/100psi at 400 deg F. Inconel (Sb168) half pipe coil jacket: 150 psi @ 400 deg F. Lightnin model 82-5-S agitator drive, s/n 9054227001, ratio 14.1/1, output: 125rpm, 230/460V, 12.4/6.2A, 3ph, 60Hz. .388 Top & Bottom head thickness; .25 shell thickness Serial #7114. National Board #1919. Built 1992.