Description
Product Description:
Spiral vibration damper is made of high-strength, antigenic and high-elasticity PVC plastic, easy to install and operate. It’s an interference type damper to attenuate vibration amplitude by impact with its damping section and especially designed for ADSS cable and OPGW cable of diameter less than 12mm.
Technical Data:
| Model | Cable dia(mm) | Gripping Length L1(mm) | Total Length L(mm) | Weight(kg) |
| FTL-11 | 8.30~11.70 | 250 | 1300 | 0.28 |
| FTL-14 | 11.71~14.30 | 250 | 1350 | 0.30 |
| FTL-16 | 14.31~19.30 | 350 | 1650 | 0.66 |
Application Guide:
1. Select the Specification Model according to cable diameter.
2. Installed Spiral Vibration Damper may be several along the cable or at the same point. Gripping section is close to pole or tower and the length from Damping Section to Inner Protection Rods end of Tension Set or Suspension Set is 12 cm.
3. The quantity of damper per span is confirmed according to cable stress and span length. The normal specification is followed:
| Span Length | Quantity |
| <100m | 0 |
| 100-250m | 2 |
| 250-400m | 4 |
| 400-800m | 6 |
Packing:
