Overhead Line Fittings for Electric Power
Vibration Dampers for OPGW (4D)
COMPONENT
zincification hammerhead, zincification steel armor rods, aluminum alloy clamp, stainless steel bolt etc.
FUNCTION
It eliminates or reduces the vibrations caused by many factors during the cable operations, and protects the cables and hardware fittings.
Description
| Model | Size of Aluminum Clamp(mm) | Range of Clamping Length(mm) | Total Length L(mm) | Length of Clamp (mm) | Height of Clamp (mm) | Diameter of Steel Armor Rods(mm) | Weight(KG) |
| 4D-40 | 34 | 34.0-29.5 | 542 | 66 | 94 | 11 | 4.7 |
| 30.5 | 30.5-27.0 | 96 | |||||
| 27.6 | 27.6-24.5 | 98 | |||||
| 4D-30 | 27 | 27.0-22.5 | 383 | 52 | 70 | 9 | 2.5 |
| 23.4 | 23.4-19.5 | 72 | |||||
| 20.3 | 20.3-16.5 | 73 | |||||
| 4D-20 | 18 | 18.0-15.0 | 330 | 52 | 65 | 7.5 | 1.4 |
| 16 | 16.0-13.3 | 63 | |||||
| 14 | 14.0-12.2 | 62 |
CHARACTERISTIC
It adopts typical Hello's design. Frequency protection is distributed enough to the range of 6Hz -150Hz wide frequency zone. And in this range, there are four resonance frequencies.
FACTOR OF VIBRATION
Length of span, tensile magnitude, wind speed, wind direction, landform, and the structure and size of the cable.
NOTEThe aluminum clamps for 4D—20 are 27.0, 23.4, 20.3, 18.0, 16.0, 14.0
The aluminum clamps for 4D—30 are 27.0, 23.4, 20.3, 1 8.0, 16.0, 1 4.0
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