10" x 10" MAC EQUIPMENT Motorized Multi-Duty Rotary Airlock Valve Model MD40; s/n 130970-002-1, with 3/4 hp, 208-230/460V, 3 ph, TEFC gear motor chain drive. Carbon steel construction. Relieved tips with open ends on the rotor. Height (flg - flg): 12.75". Demonstration video available. Shipping info: One skid, 36x36x24. Weight = 338 lbs.