30 gallon Pfaudler glass lined reactor. Internal rated 30/FV @ 450 degrees F. 115/100 @ 350 degrees F Jacket. 5015 Glass. Unit mounted on hydraulic lift, manual pump type. 20" x 21" w/ dished bottom & dished top (clamped). .500 drive mdl DWV50210AKC, 5-1 ratio. 1.5" bco w/valve, 2"ti,(2)1.5"ti,4"tsg. Built 1984. Serial # E183-0528. National Board # 42440.