Used- Harper Rotary Tube Furnace, Model NOU-12D96-RTA-18. Nominal internal diameter 12", Nominal outer diameter 13". Material CF-3 (304L), rotary tube seals 304L with graphite ring. 3 Independent control zones, (30) heating elements, rated to approximate 1,000 degrees C. (1832 F). Tube rotation 3 RPM +25% / -50%, angle of inclination 0 to 5". 17". Diameter bellows, loss-in-weight feeder type, hopper capacity 2.18 cubic feet, feeder rate 1-1/2 to 5 pounds a minute. Room air process atmosphere required 1500 scfh, cooling water supply at 2.5 gallons per minute, spray water flow pressure at 7 gallons per minute at 60 psi. Built 2002.