Used 3000 Gallon Single Wall Hastelloy C-2000 Pressure Tank rated 50 PSI/FV @ 400 deg F. 8' dia x 7' Straight side (13' 10" OAH) Top Nozzles: 24" Manway, 12", (8)4"; Bottom: 4" CBO. Thickness: 1/4". On Legs. Mfg by Roben, 2005. S/N: 24039, NB# 9835. Drwg & U-1 on file.