Rotary airlock feeders have a wide application in industry wherever dry free-flowing powders, granules are used. Typical materials include: Food Industry, Chemical Industry, Minerals Industry, Guar Gum Industry, Agricultural Chemicals, Carbon & Graphite, Coal, Coke, Coconut Shell & Wood Saw Dust, Clay,  Pharmaceutical Industry, Dye Stuff & Pigments, Detergents, Ferro Alloys Fertilizers, Fillers, Food Products, Herbs & Spices, Insecticides and Pesticides, Katha, Marine feeds, Minerals, Plastics, Pharmaceuticals, Resins etc.