Heavy Duty Belting

Demanding applications call for durable belting solutions. With several styles of Heavy-Duty Rubber and Solid Woven PVC belts available, and many in-stock and ready to ship, MIR can handle your bulk-handling needs. We offer in-house fabrications to customize belts to your specifications, meeting your application needs. We also offer field installation to get your site up and running faster. Our heavy-duty belts are used in construction, aggregates, mining, agriculture, cement, quarries, wood, recycling and heavy metal scrap. To learn more about the industry products, contact your MIR Continuous Improvement Specialist.

What is Heavy Duty Belting?

Heavy Duty Belting is rated at 220 pounds PIW and above. These durable belts are used in some of the most demanding industries and need to excel under the pressure.

Heavy Duty Belts consist of Rubber and PVC Solid-Woven materials that can endure extreme environments. These belts are often found in 2-ply, 3-ply and even 4-ply construction. MSHA approved and Fire Rated specs available. MIR can provide all Heavy Duty Mechanical Lacing, Super-Screw® and Field Vulcanization.

Advantages of Heavy Duty Belting

Abrasion & Impact Resistant

Heavy Duty belts experience highly abrasive materials in abundance. Our belts are abrasion and impact resistant, holding up for your demanding application.

Low Stretch

Belts that maintain their original shape mean less maintenance and tensioning.


High-quality materials and well-constructed belts to withstand your harshest applications. 

Mildew Resistant

The rubber compound used in our belts fights off the onset of mildew or rot.

High Load Support

Support heavy loads without breakage or tearing.

Flame Resistant

This feature was designed with safety in mind. Designed for mining applications where fire resistance is required. Meets the requirements of power plants where oil resistance.

High Heat Resistant

Constructed with premium compounds to withstand temperatures as high as 400°F.

MSHA Approved

Mine Safety approved.

Customizations for Heavy Duty Belting

Heavy duty belting has been used in demanding industries for years. Each application has its specific needs which can sometimes require modifications to these belts. We offer:

  • Cleats in Various Forms Including: Straight, Chevron, Open Chevron, Cleat Lock, Mini Cleats, Beefy Cleats, High Incline, Lug and Square, Steel-Reinforced, Notched, V-Notched and Scoop
  • Corrugated Sidewalls
  • Belts Constructed to your Specifications
  • Mechanical Fasteners
  • Custom Profiles
  • Flanges included Siped, Drilled, Notched and Solid
  • V-Guides, Segmented V-Guides
  • Splicing – Field Splicing
  • Perforations
  • Bucket Elevators
  • Integrally Molded

Considerations for Heavy Duty Belting

Heavy duty belting can vary in expense depending on the type of belt and its construction. Selecting the right belt for your application is imperative to improve uptime, reduce maintenance time, and increase throughput and overall efficiency.

A heavy duty conveyor belting expert will help you determine the best-fit belt for your applications.

Common Applications

  • Steep Inclines / Declines
  • Troughing Conveyors
  • Heavy Load Transport
  • Bucket Elevators
  • Cement
  • Brick Plants
  • Grain Conveying
  • Metal Stampings
  • Glass Cullet
  • Grains
  • Asphalt
  • Fertilizer
  • Sand and Gravel
  • Wood Logging and Finishing
  • Agriculture

Features Available

  • 2-Ply, 3-Ply or 4-Ply Construction
  • Various Top Cover Thicknesses
  • Bottom Designs such as Covers or Low Friction
  • Multi-Impact Resistant
  • Abrasion Resistant
  • Oil Resistant
  • High Load Support
  • High Tension
  • Lateral Rigidity
  • Tear Resistant
  • Low Stretch
  • Temperature Resistant
  • Superior Lace Retention
  • Flame Retardant
  • Custom Designed Belts
  • Special Fabrications such as Cleats, Guides, Sidewalls and Splicing

Super-Screw® is a Registered Trademark of MLT Minet Lacing Technology SAS.

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