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Description |
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The modular CA Trough Screw Conveyor system is highly versatile offering numerous solutions for conveying powdery or granular materials. CA Screw Conveyors are manufactured from carbon steel with a suitable surface finishing. They are made up from a U or V-shape trough that is equipped with at least one outlet spout, an end plate at each trough end, helicoid screw flighting welded on a centre pipe with a coupling bush at each end, two end bearing assemblies complete with shaft sealing unit, a certain number of intermediate hanger bearings depending on the overall length of the screw conveyor, and bolted trough cover sections. Furthermore, CA Trough Screw Conveyors are equipped with a gear motor that suits the application.
Depending on the material to be handled CA Trough Screw Conveyors come in a light, medium-heavy, or extra-heavy-duty design.
All types are available with ATEX, zone 22 certification.
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Function |
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The light-duty version, CA¿L, is mainly used to convey powders or granular materials in the production of pet-food, in the plastics industry, and in soap, washing powder and detergent processing. The medium-heavy-duty version, CA¿P, is mainly used in animal feed milling, in wood processing, in the chemical industry, and in environmental technology for both municipal and industrial applications. The extra-heavy-duty version, CA¿E, is mainly used in the cement / lime /gypsum, as well as in the mining industry.
According to the application various types of screws, inlet and outlet spout models are available.
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Performance & Technical Features - Benefits |
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- Powder-coated
- Helicoid flightings welded on centre pipe
- Trough in modular flanged sections in standard lengths
- Flanged end bearing assemblies protected against material infiltration by shaft sealing units
- Robust cast iron body flanged end bearing assemblies with externally positioned bearing units and manually adjustable packed gland seals
- Square or rectangular outlet spouts with integrated drilled flanges according to WAM® standards
- Drive units mounted at inlet or outlet end:
- Bare shaft
- Direct compact gear motor drive
- Direct gear motor drive with semi-elastic coupling
- Offset gear motor drive with chain transmission
- Offset drive with belt transmission
For light-duty version:
- Splined shaft couplings (bolted couplings for special applications)
- Intermediate cast or fabricated hanger bearings with greased or self-lubricating slide bushes
For medium-heavy-duty version:
- Splined shaft couplings (bolted couplings for special applications)
- Intermediate cast hanger bearings with greased or self-lubricating slide bushes
For extra-heavy-duty version:
- Flanged shaft couplings
- Intermediate steel or cast hanger bearings with slide bushes
- Offset drive with belt transmission and with semi-elastic coupling
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Options & Accessories |
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- Bolted trough cover modules (end module with integrated inlet spout)
- Square, rectangular or circular substitute/additional inlet/outlet spouts with or without connecting flange
- Trough feet
- Overflow hatches
- Screws in various configurations (ribbon flight, paddles, others)
- Special shaft seals (gas or air-purged, grease chamber, others)
- Different drive configurations
For medium-heavy and extra-heavy-duty version only:
- Screws made from special wear-resistant materials
ALL SCREW CONVEYOR TYPES ARE AVAILABLE ALSO WITH ATEX, ZONE 22 CERTIFICATION.
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Technical Catalogue |
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Brochure |
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