A Tubular Screw Conveyor is an enclosed industrial conveying system that utilizes a rotating helical screw within a circular housing to transport bulk materials efficiently. This powder screw conveyor design provides completely enclosed operation, preventing material contamination and dust emissions while handling everything from fine powders to small granules. The tubular construction offers supe
A Tubular Screw Conveyor which is also called an Auger Conveyor or Helix Conveyor, is a mechanical conveying system used to move bulk materials that whether powdery, granular, or small solids which inside a sealed tubular casing. Designed for industrial conveying and material handling, the conveyor operates through the rotation of a helical screw flight inside a cylindrical tube, efficiently transporting materials horizontally, inclined, or vertically.
At Senotay-Hebei OuTai Environmental Protection Equipment Co., Ltd.our tubular screw conveyors are engineered for precision, durability, and efficiency is backed by ISO 9001:2015 and CE certifications.
Choosing a Tubular Screw Conveyor ensures a clean, sealed, and space-saving transport system, minimizing product loss and environmental contamination. It is ideal for industries dealing with dusty, sticky, or hazardous materials, where product integrity and workplace safety are crucial.
Key Benefits:
Dust-tight design: Prevents spills and ensures over 99% containment.
Corrosion and heat resistance: Suitable for products up to 200°C.
Modular and compact layout: Perfect for complex plant configurations.
Energy-efficient operation: Seamless power transmission with minimal loss.
Applications include food, feed, grain, chemical, cement, mineral, and powder-processing industries.
Model Type | Tube Diameter (mm) | Capacity (m³/h) | Max Length (m) | Motor Power (kW) | Incline (°) | Material Compatibility |
TSC100 | 100 | 5–20 | 12 | 0.55–2.2 | 0–30 | Fine powders |
TSC160 | 160 | 15–45 | 15 | 1.1–3.0 | 0–30 | Grain & feed |
TSC200 | 200 | 30–70 | 20 | 2.2–5.5 | 0–30 | Cement, lime |
TSC250 | 250 | 50–100 | 25 | 3.0–7.5 | 0–25 | Fertilizers |
TSC315 | 315 | 90–150 | 30 | 5.5–11 | 0–25 | Chemicals |
TSC400 | 400 | 140–220 | 35 | 7.5–15 | 0–20 | Minerals, powders |
TSC500 | 500 | 200–280 | 40 | 11–22 | 0–20 | Grain & bulk solids |
TSC600 | 600 | 250–350+ | 50 | 15–45 | 0–15 | Heavy-duty & cement |
WLS Shaftless | 220–400 | 10–150 | 30 | 3–11 | 0–30 | Sludges, sticky materials |
LC Vertical | 160–400 | 5–80 | 20 | 4–15 | 30–90 | Vertical lifting |
Physical Dimensions | Performance Ratings | Material & Construction | Operational Data | Certifications & Lifecycle |
Conveyor Length: 1–30 m | Flow Rate: 2–60 m³/h | Q235 / SS304 / SS316L | 1.1–22 kW | ISO 9001:2015, CE |
Tube Diameter: Ø159 / Ø219 / Ø273 / Ø323 / Ø407 mm | Operating Temp: 0–180°C | Carbon Steel / SS304 | 30–90 rpm | 12–24 months |
Inlet Size: 200–500 mm | Max Pressure: ≤ 0.1 MPa | Sealed Ball Bearing | 280–3,200 kg | 20,000–40,000 hours |
Outlet Size: 150–400 mm | Max Load Capacity: 0.5–20 t/h | Rubber / PTFE | 60–180 Nm | 6–12 months |
Flange Size: DN200–DN500 | Max Incline Angle: 0°–60° | 8.8 / SS304 | 8–16 holes, Ø12–Ø18 mm | GB16297-1996 |
(BCD): 240–580 mm | Vibration Level: ≤ 1.8 mm/s | Painted / Polished SS | –10°C to 45°C | Continuous 24/7 |
Section Length (Modular): 750–2,000 mm | Energy Efficiency: ≥ 90% | 3–6 mm | 2–4 Welded Lugs | ≥ 80,000 cycles |
Overall Height: 300–1,000 mm | Conveying Efficiency: ≥ 95% | Helical / Shaft-Mounted | ≤ 75 dB(A) | IP55 / IP65 |
Our stainless-steel tubular screw conveyors are available in AISI 304, 316L, and 321 grades for durability and hygienic performance. They transport dry, wet, corrosive, or high-temperature materials with minimal product degradation.
Material Properties:
Material | Characteristics | Applications |
Stainless Steel 304 | Corrosion-resistant, durable | Food & beverage, pharmaceuticals |
Stainless Steel 316L | High heat & chemical resistance | Chemical, petrochemical industries |
Carbon Steel | Cost-effective and strong | Construction, cement plants |
Temperature tolerance: Up to 200°C.
Capacity range: 5–350+ m³/h.
Shaft diameter: 100–600 mm.
Length: Up to 50 meters per drive unit.
Incline angle: Standard 0°–30°, higher on request.
A rotating helical screw blade (flight), welded onto a central shaft, conveys materials within a closed tubular casing. As the screw turns, materials are pushed forward by the rotating spiral—while friction between material and tube surface prevents spinning.
An end thrust bearing absorbs axial load, while intermediate hanger bearings ensure smooth motion in long screw shafts.
Working Principle Summary:
· Material enters the inlet hopper.
· Spiral flight rotates, pushing material along the tube.
· Outlet discharges materials in continuous flow.
· Bearings and seals prevent dust leakage.
Seamless Tubular Casing – Fabricated from precision-rolled stainless or carbon steel.
Central Shaft & Screw Flight – Wear-resistant steel; flight thickness 4–10 mm.
Intermediate Bearings – Sealed, self-lubricating type for long service life.
Drive Units – Motor power from 0.55–45 kW with heavy-duty gearbox.
End Seals – Dust-proof and moisture-resistant sealing mechanism.
Site Preparation: Level and secure the base frame.
Section Assembly: Connect 3–6 m modular sections via flanged joints.
Bearing & Shaft Alignment: Ensure precise centering for smooth rotation.
Motor & Drive Coupling: Install according to torque specifications.
Sealing & Testing: Inspect for dust leaks and test under load conditions.
At Senotay, we integrate advanced fabrication technology, strict quality control, and precision engineering to produce world-class tubular conveyors.
ISO 9001:2015 & CE Certified Fabrication.
CNC Machining for Accurate Dimensions.
Dynamic Balancing for Reduced Vibration.
Custom Design Flexibility: For vertical, horizontal, or inclined layouts.
Long Lifespan: Components rated up to 20 years under standard operation.
1. What materials can a Tubular Screw Conveyor handle?
Answes:It can handle dry powders, wet slurries, granules, grains, cement, fly ash, and chemical powders.
2. What is the maximum conveying capacity?
Answes:Senotay tubular conveyors handle up to 350+ m³/h, depending on model and angle.
3. Can it be used vertically?
Answes:Yes, the LC vertical screw conveyor variant supports vertical material lifting.
4. How is maintenance handled?
Answes:Periodic inspection every 2,000 hours and lubrication every 400 hours ensure long lifespan.
5. How can I order a custom tubular screw conveyor?
Answes:Contact Senotay directly via info@senotay.com or call +86-158-318-71808 for tailored engineering solutions.
