Get current pricing for Oem, 500 Gal Best Mfg Co. 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 . Product Category: Process Equipment, Sub Category: Pressure Vessels: