All Well spiral vibration damper made of PVC(weather-resistant and non-corrosive dielectric material) has Solid structure, easy installation without special tool requirement, used to eliminate the damage cause by Aeolian vibrations caused by wind passing across the bare All-Dielectric Self-suppoting (ADSS). It has a large, helically-formed damping section and a smaller gripping section that gently grips the ADSS cable, with high elasticity, no surface defective, Durable in outdoor environment.
-Impact: No damage on dropping from altitude ≥ 6m to a hard floor
-Vibration: Resistance against vibration of standard sine wave, frequency: 20 Hz, Amplitude: ≥ 5mm, duration: 0.5 hour
-Material: durable PVC
-Color: light gray or white
-Temperature: -10°C up to +70°C
-Humidity: Up to 100 %.
Specification required for different cable diameter ranges:
No. | Item | Unit | Specification required for different cable diameter ranges (mm) | ||||
4.0 ~ 6.34 | 6.35~ 8.28 | 8.5 ~ 11.7 | 11.71 ~ 14.3 | 14.31 ~ 19.3 | |||
1.1 | Diameter | mm | 9.8-10.3 | 9.8-10.3 | 10.8-11.3 | 12.0-12.9 | 12.0-12.9 |
1.2 | Length | mm | 1250 | 1250 | 1300 | 1350 | 1650 |
1.3 | Gripping section length | mm | 300 | 300 | 350 | 350 | 350 |
Required number per span length:
No | Item | Unit | Required number per span length (m) | ||||
100 | 200 | 300 | 400 | 500 | |||
1 | Spiral Vibration Damper | pc | 2 | 2 | 4 | 4 | 6 |
PRODUCT DRAWING:
Installation method:
1.The first one is installed at a distance >500mm from the end of the inner rods, and the second one is installed at a distance of 120mm from the end of the first one. This installation method can be called tandem installation.
2.The two pieces are stacked together and installed at a distance >500mm from the end of the guy grip. This installation method can be called parallel installation. (The two methods have basically the same vibration reduction effect).
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