Used approx 6,500 Gal vertical Carbon Steel, Jacketed, Insulated Pressure Tank. Internal rated 412 PSI @ 400 Deg F. Jacket Rated 200 PSI @ 400 deg F. 108" ID x 10' 8" T/T (OAL - 23' 8") Shell Thickness: 1.5", Head Thickness: 1.375". Top Nozzles: 20" Agitator Flange, 12", (2) 4", (3) 2"; Side: 20" Manway & additional nozzles; Bottom: 6" CBO. Mounted on 4 legs. Includes platforms. Built by Howe-Baker Eng, 1996. S/N: 3014, NB# 1537. (Qty - 4 available)