Get current pricing for George Marker & Sons, George Marker & Sons 1200 Gallon Horizontal Sa-240, 316l-ss Tank. Internal Rated 25psi/fv @ 350 Deg F. 4' 6 Od X 9' T/t, Dished Heads. Fittings - Top: (2) 2, 1-1/2, Sid . Product Category: Process Equipment, Sub Category: Process Tanks/kettles: