Used approx. 16,400 Gal 316L vertical SS storage Tank. API-650 design. Design Pressure: Atmos @ 200 deg F. 12' dia x 20 ' High. Top fittings: 20" Manway, (2) 6"; Side: 20" Manway; 2" side bottom outlet. Manufacturer: HAMILTON TANKS, Built: 1998. Previous usage: Xylene Storage Tank.