CAO Tubular Trough Screw Conveyor
The modular CAO Tubular Trough Screw Conveyor system is highly versatile offering numerous solutions for conveying powdery or granular materials. They are widely used all over the world in industries such as flour milling, animal feed milling. In general, CAO Tubular Screw Conveyors and Feeders are suitable for applications that require minimum material residue and maximum conservation of particle size of the material when handled.
The modular CAO Tubular Screw Conveyor system is highly versatile offering numerous solutions for conveying powdery or granular materials. CAO Screw Conveyors are manufactured from carbon steel with suitable surface finishing. They consist of a tubular trough equipped with at least one inlet and outlet spout, an end plate at each tubular trough end, helicoid screw flighting welded on a center pipe with coupling bush at each end, two end bearing assemblies complete with adjustable shaft seal, and a number of intermediate hanger bearings depending on the overall length of the screw conveyor. Furthermore, CAO Tubular Screw Conveyors are equipped with a gear motor appropriate for the application.
Depending on the material to be handled, CAO Tubular Screw Conveyors come in a light or medium heavy-duty design.
Both versions are available with ATEX, Zone 22 certification.
The light-duty version, CAO_L, is mainly used for feeding and conveying flour and flour milling by-products. The medium heavy-duty version, CAO_P, is mainly used in animal feed milling with products such as cereals, meals and milling by-products. In general, CAO Tubular Screw Conveyors and Feeders are suitable for applications that require minimum material residue and maximum conservation of particle size of the material when handled.
Standard length tubular sections
Helicoid flighting welded on center pipe
Flanged end bearing assemblies protected against material infiltration by adjustable shaft seals
Wide range of intermediate hanger bearings designed for specific applications (self-lubricating versions included)
Circular, square or rectangular inlet and outlet spouts complete with drilled WAM standard flanges
Robust cast iron body, flanged end bearing assemblies with external bearings and manually adjustable packed gland seals
Maintenance-free (or non) intermediate cast or fabricated hanger bearings with self-lubricating and other type slide bushes
Drive unit 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, or Offset drive with belt transmission
Splined shaft couplings
For light-duty version: Robust tubular trough in modular flanged sections in carbon or stainless steel or Light-duty helicoid flighting welded on center pipe in carbon or stainless steel
For medium heavy-duty version: Medium heavy-duty carbon steel helicoid flighting welded on centre pipe or Robust tubular carbon steel trough in modular flanged sections
Industrial quality product
Modular design features ensuring matching spare parts
Circular, square, or rectangular substitute/additional inlet/outlet spouts with or without connecting flange
Overflow hatches, Slide valves, and Flush outlets
Screws (augers) in various configurations (ribbon flight, paddles, others)
Special shaft seals (gas or air-purged, grease chamber, others)
Different drive configurations
Jacketed outside tube
Drop bottom tube
For medium heavy-duty version:
Screws manufactured from special wear-resistant materials
BOTH TYPES AVAILABLE WITH ATEX, ZONE 22 CERTIFICATION.
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