Used 500 Gallon vertical CS Tank. Internal Rated 180 PSI @ 400 deg F. Dished heads. 3' dia x 8' 8" T/T (OAL - 16' 10"). Shell thickness: 0.375". Skirt mount. Mfg by Best Mfg Co, 1977. S/N: A-2037, NB# 1814. Previous Use: Condensate Flash Tank. Approx Wt: 4,200 lbs.