Used 2500 gallon 316L Stainless Steel reactor. Manufactured by Chem-Fab inc. Shell rated 122PSI/FV@400F. Half pipe coil jacket rated 198PSI@400F. Dished heads. (4) Lug mounted. 10HP Motor with 4-blade turbine agitator. National Board #287. Serial #7-169-6. Built 1997.