D&D Dura-Prime 5L Industrial Drive Belts | 5L300–5L500 Sizes | High-Torque HVAC Power Belts with Heat, Oil & Weather Resistance

D&D Dura-Prime Classical 5L Industrial Drive Belts | 5L300 - 5L500 – Power, Precision, Performance

Engineered to Perform in Demanding HVAC and Industrial Applications

D&D Dura-Prime Classical 5L Industrial Drive Belts are designed to withstand the toughest conditions in HVAC and industrial systems. With sizes ranging from 5L300 to 5L500, these belts deliver superior reliability and reduced maintenance costs across a wide range of equipment.

Constructed from a durable rubber compound with high-strength polyester or aramid cords, Dura-Prime belts resist oil, heat, steam, moisture, ozone, and UV exposure. Their exceptional flexibility and grip make them ideal for high-demand environments where performance and longevity are non-negotiable. 

Key Features: Strength and Reliability Built In

• Available Sizes: 5L300 to 5L500 for broad compatibility

• Multi-Environment Resistance:

  • Withstands oil, heat, moisture, steam, ozone, and sunlight

  • Resistant to glazing and hardening over time

• Enhanced Performance:

  • Superior grip in moist and variable conditions

  • Excellent flexing for minimal wear and extended life

• Core Materials:

  • High-strength polyester or aramid cord

  • Durable rubber compound construction

• Meets/Exceeds RMA Standards: For professional-grade reliability

Ideal For:

• Air Filtration Systems

• Air Handling Units

• Cooling Towers

• Air Exchangers

• Water Chillers

• Exhaust Fans

Industrial Strength You Can Count On

When your system demands continuous, uncompromised performance, trust D&D Dura-Prime 5L Industrial Drive Belts to deliver. Built for durability and engineered for results, these belts help you reduce downtime, cut maintenance costs, and keep your operations running efficiently.