Screw conveyor SCC

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Shaftless Screw or Spiral Conveyor is an alternative concept to the traditional shafted screw conveyor. Material is conveyed by an extra-heavy-duty shaftless screw that slides on a low-friction, wear-resistant liner inside the conveyor trough housing. Shaftless spiral conveyors are successfully used to transport jamming, bridge forming and sticky materials. Astim shaftless screw conveyors can be furnished in a wide variety of materials to resist corrosion, abrasion and exothermic conditions. Shaftless screw conveyor systems offer great flexibility over a wide range of applications, and can be with connected at angles on one `horizontal plane` and with angles of inclination. Installations can be enclosed with hinged or removable lids to control dust or odor emissions. Further options include: funnels, bottom outlets with or without (pneumatic) slide valves, dewatering sections, safety switches, heating/ isolation, switch boxes, washing systems etc The Shaftless Screw (spiral) offers a larger volume capacity and the possibility of handling particularly difficult materials such as those that tend to become tangled up or those that present highly variable particle size. Construction material properties, oversize thickness, as well as a special manufacturing process make the spiral highly resistant and extremely durable. Due to the absence of intermediate bearings, obstacle-free material handling is guaranteed. The completely enclosed trough prevents any material leakage. Trough covers with appropriate gaskets enable odour-free operation and form a barrier to any atmospheric agents to enter the system.