Used 625 gallon T316L Stainless steel reactor. Internal rated 60 PSI/FV @ 350 degrees F. Side wall and bottom jacket rated 100 PSI @ 350 degrees F. #4 Finish Electropolished internal. Dished top and bottom heads. Off center agitator. Top Manway. Center bottom outlet 2". Built by Cherry Burrell. 1993. National Board Stamped. Lug Mounted.