Poly-V® – SOS Safety International Inc.



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Multi-V cross section for small sheave compact designs requiring limited vibration. Ideal for high-speed ratio drives with short center distances.

The best of flat belts and V-Belts: 

The Poly-V® belt is a thin, multi-V belt with longitudinal V-shaped ribs that mate perfectly with the corresponding sheave grooves.

  • One continuous tension member distributes drive load evenly across the full width of the sheave.
  • Drive is completely supported with uninterrupted tension eliminating belt turnover problems.
  • Thin cross-section profile allows for use with smaller pulleys than standard V-Belts.
  • Drive width can be reduced because there is increased surface engagement allowing for increased horsepower per inch of belt width compared to standard V-Belts.


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