Powder Srew Conveyor 1. reliable and durable 2. easy to install Powder Srew Conveyor1. ... suitable for conveying the powder, granular, and block materials (temperature <200°C),such as coal powder, coal ash, argil, sand, cement, carbamide ... batching, but also for the chemical, building, food, metallurgy and so on. 2. Technical DataModelLS159LS219LS250Diameter(mm)159219250Screw pitch (mm) ...