Used Pfaudler 50 gallon glass lined reactor. 24" diameter X 24" straight side. Internal rated 25/FV @ 650 degrees F. Conventional jacket rated 150 PSI @ 350 degrees F. National Board # 35705, MFG# E175-1476. Top fittings: 4" hand-hole, (1) 3", and (2) 2". 2" center bottom drain. Equipped with retreat curve agitator driven thru a size 2.5, model DWV-50210AKC drive with a 3HP motor. 3315 NUC glass. Mounted on legs. (Pro-ring has small chip that contacts and blade on agitator has small chip that does not contact)