Screw conveying equipment The stainless - steel screw conveyor is a device that transports materials by pushing them along inside a fixed casing through a rotating screw. Type Classification It can be divided into two main types: horizontal screw conveyors and vertical screw conveyors. It can also be further subdivided into LSY screw conveyors (tubular type), LS screw conveyors (U - shaped), GX screw conveyors (U - shaped), LC vertical screw conveyors, and WLS shaft - less
