Stainless Steel Single Shell Balance Tank- 85 Gallon Mfg: Model: Stock No. DTTC2051. Serial No. Stainless Steel Single Shell Balance Tank- 85 Gallon. Inside straight-wall dimensions: 29-1/2 in. dia. x 30 in. H. Liquid level float with cut-off valve. Inlets: (3) 2 in. dia. ports. Outlets: (1) 4 in. dia. flanged port with butterfly valve. Overall dimensions: 3 ft. 4 in. L x 2 ft. 8-1/2 in. W x 3 ft. 8 in. H.