The modular TU Tubular Screw Conveyor and Feeder system is highly versatile offering a variety of standard solutions for handling of powdery or granular materials. Different models of conveyors or feeders are available in applications such as concrete production (for fly-ash, filler dust, silica fume), premixed building materials (dry plasters, sand, cement, additives), glass processing (calcium carbonate, soda, sand, etc.), foundries (sand, bentonite), and many others.