Problem this solves
Poly-V belts look similar across profiles. This guide helps confirm PJ, PK, PL, or PM with the correct rib count.
Poly-V profile overview
| Profile | Typical use | Notes |
|---|---|---|
| PJ | Small motors and appliances | Compact rib pitch |
| PK | Automotive and HVAC | Common in serpentine belts |
| PL | Industrial drives | Wider rib pitch |
| PM | Heavy duty | High power density |
Sizing steps
- 1Count ribs across the belt width.
- 2Identify the profile from the belt code or rib pitch.
- 3Confirm the belt length reference.
- 4Check pulley grooves for wear or mismatch.
FAQ
- Q: Is PK the same as PJ? A: No, the rib pitch is different.
- Q: Can you supply custom lengths? A: Provide length and quantity for confirmation.
- Q: Do you need pulley data? A: It helps confirm profile and rib count.
If the belt code is unclear, share a photo of the ribs and pulley grooves so we can confirm the correct profile.
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