Used 5,000 Gallon 316-SS Stainless Steel Reactor Body. Mfg by Midland Steel, 1980. 9' 6" Diameter x 9' 6" Straight Side. Dished Top; Dished Bottom. Internal rated 15 PSI/FV @ 400 deg F. 316-SS Dimple Jacket rated 165 PSI @ 400 deg F. NB stamped, Lug mounted.