1. Usage and characteristics
4D Vibration damper is composed of two different weight hammers stranded galvanization steel elasticity and high-intensity, and aluminum alloy clamp.
The 4D series Vibration dampers we provided are Stock-bridge Tuning Fork, with four resonant frequencies, the frequency range is from 3Hz to 150Hz. with wide frequency range, the 4D vibration damper can highly consume vibration energy, and effectively dissipate the energy caused by cable Aeolian vibration, reduce cable vibration horizontal, extend the cable service life.
Vibration Damper can be installed on both OPGW and ADSS cable. Armor rods are needed when it is installed on OPGW and ADSS cable.
Armor rods are also called Vibration damper hyperactive rods. Because of the concentrated stress, vibration damper will cause some damages to the cable. the armor rods provide proper stress distribution on the optical cable and protect the cable.
2. Product Specification
| Model | Clamp Dia.Range(mm) | |
| Min.(mm) | Max.(mm) | |
| 4D-20-14.0 | 12.2 | 14.0 |
| 4D-20-16.0 | 14.0 | 16.0 |
| 4D-20-18.0 | 15.0 | 18.0 |
| 4D-20-20.3 | 16.5 | 20.3 |
| 4D-20-23.4 | 19.5 | 23.4 |
| 4D-20-27.0 | 22.3 | 27.0 |
| 4D-30-14.0 | 12.2 | 14.0 |
| 4D-30-16.0 | 14.0 | 16.0 |
| 4D-30-18.0 | 15.0 | 18.0 |
| 4D-30-20.3 | 16.5 | 20.3 |
| 4D-30-23.4 | 19.5 | 23.4 |
| 4D-30-27.0 | 22.3 | 27.0 |
3. Packing /shipping/ Terms of Payment
Packaging: preformed guy grip according to the concrete product cartons, wooden cases(as customer's requirements)
Delivery: usually, it will take about two weeks for the order of 10000 sets for production
Terms of Payment: By T/T
4. The product is also named what in form as follows:
| Preformed helical fittings aluminium stockbridge |
| Cable Stockbridge damper |
| cable fitting stockbridge damper |
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