... for common diameter of 168,219,273,323 Flexible concrete screw conveyor 1 Be transporting kindS of powdery(cement,flyash) ... section feed be propitious to installation product processing:screw conveyor is made of carbon steel,with surface processed in ... screw conveyors belongs to medium load model.Application of Screw Conveyor:Building materials, metallurgy, chemical industry, electric plant.Screw ...