Screw Conveyors

Atmax Filtration designs and supplies custom screw conveyors built for efficient, reliable, and long-lasting performance across a range of industries. With our engineering expertise, we offer solutions that handle free-flowing powders, granules, semi-solids, sludges, and fibrous materials, ensuring seamless material transport with minimal downtime.

What is a Screw Conveyor?

A screw conveyor consists of a rotating helical screw blade housed inside a trough or tube, used to move bulk materials in a controlled and continuous flow. It is a compact, cost-effective, and versatile system ideal for horizontal, inclined, or vertical conveying.

Screw Conveyor Types Offered

1. Horizontal Screw Conveyors

Most common and cost-effective design
Ideal for steady material flow over short to medium distances
Custom diameters and lengths available

2. Inclined Screw Conveyors

Designed for conveying materials upward (up to 45° incline)
Optimized flight pitch for reduced material fallback
Common in food, chemical, and aggregate industries

3. Vertical Screw Conveyors

Space-saving solution for elevating materials in tight spaces
Suitable for fine powders, pellets, and slurry
Compact design with high torque capacity

4. Shaftless Screw Conveyors

Ideal for sticky, fibrous, or wet materials like sludge, biomass, and pulp
No central shaft — eliminates clogging and reduces maintenance
Preferred in wastewater treatment and food waste handling

5. Tubular & U-Trough Conveyors

Tubular design for dust-tight material containment
U-Trough design allows easy inspection and cleaning
Available in SS, MS, PP, FRP, or alloy construction

Working Principle of Screw Conveyors

Feeding – Material enters through a controlled inlet or hopper
Rotation – The drive motor rotates the screw flight
Conveying – Friction moves the material along the screw’s axis
Discharge – Material exits via a chute or connected process system
Repeat – Ensures consistent, metered flow for continuous operation

Key Features of Screw Conveyors

Custom-Engineered to Process Needs
Corrosion & Abrasion Resistant Material Options
Modular Design for Quick Assembly & Expansion
Low Maintenance & Long Service Life
Available with feed hoppers, discharge gates, liners, and covers.

Component	Function
Helical Screw (Flight)	Moves material by generating axial force
Trough / Tube	Contains material, supports and guides the screw
Drive Unit	Powers rotation via motor and gearbox
End Bearings / Hangers	Maintain screw alignment and support the shaft
Inlet / Outlet Ports	Regulate material entry and discharge

Applications of Screw Conveyors

Food & Beverage Processing
Chemicals & Fertilizers
Cement & Mineral Handling
Pharmaceuticals
Paper & Pulp
Sludge Management & Wastewater Plants

Why Choose Atmaxfiltration

Decades of Expertise in industrial airflow and material handling systems
Custom-Built Solutions tailored to your plant layout and process flow
Precision Engineering & Fabrication
Reliable Performance in harsh industrial environments
Technical Support & After-Sales Service you can count on

Need a customized screw conveying system?
Contact Atmax Filtration today for a detailed consultation and custom quote tailored to your specific bulk material handling requirements.

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Let’s Start Work Together

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Atmax Filtration provides high quality dust collectors and accessories and supplies in the entire New Jersey.

For more information talk to us on (816)-745-9994 or write at sales@atmaxfiltration.com

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