50 gallon De Dietrich #3009 glass lined reactor. 23 5/8" diameter X 28" deep. Clamp top: Built 1988 NB# 4507, rated 150/FV @ 500 degrees F. Bottom: Built 1990 NB# 5588, internal rated 150/FV @ 20 to 500 degrees F. Conventional jacket rated 125/110 @ 20 to 500 degrees F. Top Fittings: (3) 2", (1) 3", 4" handhole, and 2" drive nozzle. 2" center bottom drain. Equipped with 2HP agitator driven thru a lenze drive type 11.711.05.16.