Plastic PVC Spiral Vibration Damper
Spiral Vibration Dampers have a helically formed damping section sized for interplay of damper and cable to provide the action/reaction motion that opposed the natural vibration wave. A smaller gripping section gently grips the cable so that cable and fiber are not damaged or distorted and there is no optical signal loss. These PVC Spiral dampers are recommended for the ADSS cable when the combination of span length and tension indicate by vibration review that external vibration protection is required.
Product Introduction
Plastic PVC Spiral vibration damper
ADSS screw shock absorber
Application: Applicable to ADSS optical cable.
Factors causing vibration: wind, wind speed, tension, distance, wind direction, terrain, landform and cable structure, length, etc.
Description: The screw shock absorber is installed in the same position on the tension clamp or the overhang clamp.
Function: Use its anti-vibration part to produce damping effect on wind vibration, consume or weaken the vibration energy generated under the action of laminar wind when the cable is running, and prevent the damage of hardware and cable.
Installation method:
1. The first is installed in the distance from the end of the twisted wire >500mm, the second is installed in the distance from the first end of 120mm, this installation method can be called series installation.
2. The two pieces are stacked together and installed at a distance >500mm from the end of the strand. This installation method can be called parallel installation. (The two methods have basically the same vibration reduction effect).
Product description
Model | Suitable cable diameter（mm) | DIA | Total length (mm) |
FL117-130 | 9-11.7 | 11-11.5 | 1300 |
FL143-135 | 11.71-14.3 | 12.5-12.9 | 1350 |
FL193-165 | 14.31-19.3 | 12.5-12.9 | 1650 |
FL235-175 | 19.31-23.51 | 15.5-16.5 | 1750 |
Factors causing vibration: wind, wind speed, tension, distance, wind direction, terrain, landform and cable structure, length, etc.
Description: The screw shock absorber is installed in the same position on the tension clamp or the overhang clamp.
Note：
Eliminates the damage caused by Aeolian vibration
Reduces overall vibration on bare conductors
Made of weather-resistant, non-corrosive plastic
Large, helically-formed damping section sized for the cable with a smaller gripping section that gently grips the conductor
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