FF Anti-Vibration Damper

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Description:

FR Type Preformed Vibration Damper is commonly used to control vibration of overhead conductors & OPGW. The vibration damper has a length of steel messenger cable. Two metallic weights are attached to the ends of the messenger cable. The centered clamp, which is attached to the messenger cable, is used for installing the vibration damper onto the overhead conductor.

The asymmetrical vibration damper is a multiresonance system with inherent damping. The vibration energy is dissipated through inter-strand friction of the messenger cable around the resonance frequencies of the vibration damper. By increasing the number of resonances of the damper using asymmetrical design and increasing the damping capacity of the messenger cable the vibration damper is effective in reducing vibration over a wide frequency or wind velocity range.

Features:

1.Pre-stranded wire for aluminum clad steel installation

2.Easy installation (no tools required)

3.Safe and reliable (no damage to wires)

4.Maintenance-free (no loose bolts)

5.Low installation costs (only ten seconds to install a product)

6.Easy and reliable acceptance and observation

Comparison of preformed anti-vibration damper and traditional bolted anti-vibration damper:

Traditional anti-vibration tanks are fixed by bolts. During installation, construction workers must be equipped with torque wrenches. Once the construction team does not have these tools, excessive or small torque will occur. Excessive torque may cause damage to the wires or bolts; if the torque is small, the digging force between the anti-vibration damper and the wires cannot meet the standard.

The preformed anti-vibration damper eliminates the disadvantages of the bolted anti-vibration damper described above. The installation of the preformed anti-vibration damper can be completed with bare hands without the need for a task tool, the installation is convenient and quick, and the construction cost is low.

The grip between the preformed wire and the guide of the anti-vibration damper is evenly distributed over a length of 30 to 60 mm, which avoids the stress concentration of the wire.

In addition, the installation quality of the preformed anti-vibration damper can be observed and judged on the ground with a telescope, which greatly reduces the difficulty and cost of project acceptance and greatly improves the reliability of acceptance.

In summary, the advantages of the preformed anti-vibration damper can be summarized as follows:

1. Easy installation and low installation cost;

2. Safe and reliable, maintenance-free;

3. High construction efficiency, convenient and reliable acceptance.

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Type

Suitable conductor diameter
(mm)

IMG

Dimension(mm)

Steel wire

Weight
(kg)

D

A

H

L1

L

FF-5

23.0~28.0

IMG 1

67

70

70

200

550

19/2.6

7.4

FF-5G

23.0~28.0

IMG 2

67

70

90

200

550

19/2.6

 

1. The hammer head is gray iron casting, and the clamp is aluminum alloy casting, which avoids tape loss and has energy saving effect.

2.Used anti-halo design


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