Used 30 gallon Pfaudler reactor, Hastelloy C22 contruction, approximately 20" diameter x 16" straight side, x 90 degree cone bottom, 2:1 elliptical removable top, rated 150 psi and full vacuum at +450/-150 f internal, jacketed for 115 psi and full vacuum at +350/-150 f, 2.5 DTW Pfaudler agitator drive with mechanical seal, two tier agitator with 4 blade pitched turbine and paddle, 2 HP, 230/460 volt motor, 4" hand hole with cover, (3)2" top nozzles, 2" bottom outlet on legs, Serial# R393-1429, National Board# 2732, built 1993.