Gates B78 Hi-Power II V-Belt 81 Inch Classic B Section

The Gates B78 Hi-Power II V-Belt is a premium classical V-belt designed for reliable performance in demanding agricultural and industrial applications. This B-section belt features an 81-inch outside circumference (78-inch inside circumference), 0.66-inch top width, and 0.41-inch nominal thickness, making it suitable for a wide range of power transmission needs.

Advanced Construction Features:

• Flex-Bonded cords strongly bound to the belt body for equal load distribution and superior resistance to bending stress without cord deterioration
• Flex-Weave oil and heat-resistant cover provides extended protection to the belt core from oil, dirt, and heat while maintaining static conductivity
• EPDM rubber compound engineered to resist self-ignition, preventing fire even with severe slippage and heat buildup
• Arched top design prevents dishing and distortion of the tensile section for superior strength
• Concave sidewalls and rounded corners provide uniform tensile loading and full sheave contact for extended belt life
• Machined belt edges ensure even sheave groove contact for smoother running with less slip and wear

Performance Specifications:

• Temperature range: -22°F to +140°F (-30°C to +60°C)
• Meets ARPM/RMA IP-3-2 oil and heat resistant standards
• Meets IP-3-3 static conductivity requirements and ISO 1813 standards
• Compatible with Gates V80 system matching tolerances
• REACH and RoHS 2 compliant
• ATEX compliant for use in explosive atmospheres (Directive 2014/34/EU)

The Gates B78 Hi-Power II Belt resists oil, heat, ozone, sunlight, weather, and aging, making it ideal for all industrial applications including v-flat drives. Recommended for use with Multi-Duty sheaves. Gates Product Number: 9003-2078.