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Tubular Drag Conveyors

Tubular drag conveyor is a fully enclosed continuous conveying solution that uses a sealed pipeline as the material channel, where circular discs driven by a chain or steel cable move the material forward inside the tube. The system provides smooth and gentle conveying with low energy consumption, making it well suited for powders, granules, flakes, as well as abrasive or fragile materials. During operation, it effectively minimizes dust emissions and product degradation, while delivering high operational reliability. Owing to its robust design and stable performance, it is widely applied in industrial processes with stringent requirements for cleanliness and process integrity.
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Address:  Middle of Xinchang North Line, Xinxiang City, Henan Province, China
how it works
The tubular drag conveyor uses a continuous chain or steel cable with spaced discs running inside a sealed pipe to efficiently convey bulk materials. The low-speed rotating discs gently push the materials forward, effectively reducing dust escape, material damage and energy consumption. This closed mechanical conveying system, based on reliable transmission principles, can stably complete material conveying tasks along horizontal, vertical and multi-directional composite paths in harsh industrial environments.

tubular drag chain conveyor type
The typical layout forms of tubular drag conveyors under different working conditions include vertical lifting, closed loop, spatial turning, Z-type, multi-point inclined and straight conveying, etc.

tubular drag chain conveyor type
features
 

Enclosed, Dust-Free ConveyingEnclosed, Dust-Free Conveying

Tubular chain conveyors feature a fully enclosed tube design, ensuring clean, controlled bulk material transport while meeting environmental and safety requirements.

 

Gentle Low-Speed OperationGentle Low-Speed Operation

Low-speed chain and disc conveying reduces product breakage, segregation, and fines, preserving material quality throughout the process.

 

Flexible Multi-Direction LayoutFlexible Multi-Direction Layout

Supports horizontal, vertical, and curved conveying paths, enabling easy integration into compact spaces and complex plant layouts.

 

Broad Material CompatibilityBroad Material Compatibility

Handles powders, granules, flakes, and mildly abrasive materials with consistent, reliable performance.

 

Energy-Efficient OperationEnergy-Efficient Operation

Low drive power and reduced wear result in lower energy consumption and operating costs.

 

Scalable Modular DesignScalable Modular Design

Modular construction allows easy system expansion, capacity adjustment, and line integration.

The main components
 The main components of tubular drag conveyors
Specifications
Model Capacity
(m3/h)
Ring chain pitch (mm) Plate chain pitch (mm) Wall thickness
(mm)
Disc diameter
(mm)
108 4 65 65 4  
133 6 65 80 4  
159 12 80 80 4 142
219 20 80 100 5  
273 30 105 152.4 5/6  
 
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