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Industrial poly V belts bring the same multi-rib technology that revolutionized automotive accessory drives to industrial applications. Multiple ribs mean more contact area, higher power capacity, and smoother operation than traditional V-belts — all in a thinner, more flexible package.
We manufacture industrial multi-ribbed belts for HVAC systems, machine tools, appliances, and general industrial equipment. Our IATF 16949 certified facility produces these belts with the same precision we apply to our automotive serpentine belt line.
| Parameter | Specification |
|---|---|
| Belt Type | Multi-ribbed V belt (Poly V / Micro-V) |
| Rib Profiles | PH, PJ, PK, PL, PM |
| Rib Count | 3 to 20+ ribs (application-specific) |
| Length Range | 300mm to 4000mm+ |
| Materials | EPDM, CR, HNBR |
| Cord Reinforcement | Polyester, Aramid |
| Temperature Range | -40°C to +120°C |
| Standards | ISO 9982, DIN 7867 |
| Certifications | IATF 16949, ISO 9001 |
| Profile | Rib Pitch | Rib Height | Typical Applications |
|---|---|---|---|
| PH | 1.6mm | 1.0mm | Small appliances, office equipment |
| PJ | 2.34mm | 1.8mm | Appliances, light industrial |
| PK | 3.56mm | 2.4mm | HVAC, machine tools, general industrial |
| PL | 4.70mm | 4.8mm | Heavy industrial, large HVAC |
| PM | 9.40mm | 5.5mm | Heavy-duty industrial |
Multiple ribs provide more contact area than a single V-belt of equivalent width. This means more power transmission in a smaller package — important for compact equipment designs.
The thin, flexible construction runs smoother than thick V-belts, with less vibration and noise. Critical for HVAC systems in occupied spaces.
The thin profile and multiple contact points dissipate heat more effectively than thick V-belts. Important for high-speed or continuous-duty applications.
Less bending stress than thick V-belts means longer flex life. EPDM compounds further extend service intervals.
Every industrial poly V belt goes through our IATF 16949 certified quality system:
Only if you also replace the pulleys. Poly V belts require matching multi-groove pulleys. However, for new equipment design or major retrofits, poly V drives often provide better performance in a smaller package.
Same basic technology, but industrial belts are available in wider widths (more ribs) and longer lengths. Industrial applications may also use different profiles (PL, PM) not common in automotive.
Standard sizes: 300 pieces. Custom specifications: 500 pieces. Contact us to discuss.
Need industrial multi-ribbed belts? Contact LYBELT today:
📧 Email: luxin@www.lybelt.com
📞 Phone/WhatsApp: +86 137 2291 3530
