Cherry Burrell Jacketed Multi-Process Tank- 250 Gallon. Stainless steel construction with 2-piece flip-top lids. Gast Pneumatic Mixer, shaft dimensions: 1 in. diameter x 32 in. H, propeller: 17 in. dia. Mixer speed is varied by adjusting the air supply. Key aspects of a Gast air mixer are: reduced size and weight, non-electrical sparking, cool running up to ambient temperatures of 250 °F, and minimum maintenance. Inlets: (3) 1-1/2 in. threaded (male), (1) 2 in. 'S' line. Outlets: (3) 1-1/2 in. threaded (male), 3 in. 'S' line valve. Overall dimensions: 65 in. L x 56 in. W x 66 in. H.