2. Rotary dryer- DUEX Rotary Dryer is environment friendly moisture removing machine for most applications ranging from industrial to pharma to commercial to domestic. DUEX Rotary Dryer comes various sizes to suit industrial need. It uses CNG / LPG / Furnace oil / Diesel as heat source. per hour drying capacities are 50 kG to 20 ton per hr DUEX has over 8000 machines running all over in India and abroad for last 25 years.