Used approx. 650 Gal 316L-SS Vertical Pressure Tank, rated 277 PSI @ 400 deg F. 48" ID x 68" Straight side. Dished Heads (OAH - 106"). Thickness: Shell and heads - 5/8". 12" inlet and outlet, 24" Side manway, (2) 4" side ports, 3" drain. Lug mounts. Mfg by Beco Engineers, 1987. S/N: 21-87C, NB # 106. Previous use: Chemical. (U-1 and drawing on file)