Used Pfaudler 500 gallon glass-lined tank. Model E165-0085. Unit measures 60" inside diameter x 38" straight side, vertical orientation, 4" center botom outlet. Unit has clamp on dished top, dished bottom to 4" diameter discharge. Vessel is rated for 25 PSI @ 650 deg. F. Tank includes top entering pneumatic drive agitator with stainless steel coated agitator shaft and prop blades. (4) pipe legs with foot pads, 18" diameter top manway and assorted top inlets. National Board #21663. Serial #TZB-248. Built 1965.