Used 8000 gallon Letco reactor. Alloy 20 construction, 121" diameter x 144" straight side, dish top and bottom, rated 100 psi and full vacuum at 450 f internal, jacketed for 150 psi at 450 F, (29) turns of 2" internal coil rated 150 psi at 450 F. 20 hp Chemineer agitator drive, model 6HTN-20 with mechanical seal, (3) tier pitched turbine agitators. 20" manway, 18", (2) 4", (2) 3", (2) 2" top nozzles, 6" bottom outlet, side lug mounted. Serial# 2289, national board# 596, built 1990