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Specifications
weights: ductile iron, gray iron,forged steel ,Zinc Aluminum alloyclamp: Al alloy, or preformed retaining armor rod
and OPGW. The vibration damper has a length of steel messenger cable. Two metallic weights are
attached to the ends of the messenger cable. The centre clamp, which is attached to the messenger
cable, is used to install the vibration damper onto the overhead conductor. picture shows an
asymmetrical type of Stockbridge vibration damper. 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.
Application Guide:
1.Vibration Damper can’t be directly installed on the OPGW cables, installed with Helical Rods.
2.Calculate the installation distance, if it is within the Helical Rods, then installed as usual (Installed on Helical Rods directly). If the installation position of Vibration Damper is outside of the Helical Rods, you should install Helical Rods. The distance between the end of the Vibration Damper and Protection Rods must be more than 70mm.
3.The big Damper Weight of low frequency is close to pole or tower.
4.Confirm the quantity per span length according to cable strength, span length and topography.
Welcome to contact us:
Fax: 0086-537-5052257
QQ:2038260570
Mobile phone: 0086-15753723718 Mr. Helen Wang
We are looking forward to any requiry from you
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