Description
The Gates 5/B173 is a heavy-duty PowerBand V-belt engineered for demanding HVAC, industrial, and mechanical drive applications where standard single belts fall short. By joining five B-section belts into a single banded unit, this belt eliminates the belt whip, vibration, and rollover that can plague conventional multi-belt drives, delivering smoother, more consistent power transmission across the full drive system.
Product Overview
The PowerBand design ties multiple belts together with a high-strength tie band, ensuring all five strands share the load evenly. This balanced load distribution extends belt and sheave life, reduces downtime, and minimizes the need for frequent re-tensioning — making it an ideal solution for high-torque, high-vibration HVAC fan and blower drive systems.
Key Specifications
- SKU: 5/B173
- Brand: Gates
- Belt Section: B (Classical V-Belt Profile)
- Outside Diameter (OD): 176 inches
- Number of Bands: 5
- Belt Type: PowerBand (Banded Multi-V)
Features & Benefits
- Banded construction prevents belt rollover and whip on high-speed or pulsating drives
- Even load sharing across all 5 strands reduces stress on individual belt cords
- Engineered rubber compound resists heat, oil, and ozone for extended service life
- Matched band eliminates the need to match individual belts — install as a single unit
- Reduces vibration and noise in HVAC blower and fan drive applications
- Compatible with standard B-section sheaves and pulleys
- Minimizes re-tensioning intervals, lowering maintenance costs
Typical Applications
- Commercial HVAC air handling unit (AHU) blower drives
- Centrifugal fan and blower assemblies
- Industrial pump drives
- High-torque, variable-load mechanical drive systems
- Replacement for worn or mismatched multi-belt sets
Why Choose Gates PowerBand?
Gates is a globally recognized leader in power transmission belt technology. The PowerBand series is specifically engineered to outperform conventional multi-belt sets in applications where vibration, shock loads, or space constraints make standard belts unreliable. Choosing a Gates PowerBand belt means fewer unplanned shutdowns, longer drive component life, and lower total cost of ownership.
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