Cone Bottom Stainless Steel Tank. Approximate capacity: 2000 gallons. Inlets/outlets: (1) 1 ft. 10 in. dia. manway. (1) 8 in. port. (1) 3 in. pipe port. (1) 1 ft. 1 in. inner dia. flange with (6) 3/8 in. mounting holes. Tank dimensions: 8 ft. straight wall x 6 ft. dia. Overall dimensions: 12 ft. 4 in. L x 6 ft. 2 in. W x 6 ft. 6 in. H.