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Aluminium Alloy Bolted Type Tension Clamp
The tension clamp of NLL series are generally called bolted type tension clamp or aluminium alloy gun type strain clamp,which are used for fixing aluminium wire or steel core aluminium wire on the strain pole, which apply to aerial line below 220kV.
Description
Description:
The body of tension clamp is made of aluminium alloy, other parts are made of hot-dip galvanized steel. The quantity of bolts of tension clamp can be from one to five according to different tensile strength and condutors.
Application:
The Tension clamp must withstand the full tension of the conductor or lightning conductor, and the grip strength of the clamp shall not be less than 90% of the rated tensile strength of the conductor or lightning conductor to be installed, but it is not used as a conductor. This kind of wire clamp can be removed after the wire is installed and used separately
Advantages:
1.Convenient installation: No need of special tools and cutting the wire
2.Grip and Failure load: Increased as the body and the wedge core of Bolt Type Strain Clamp is made of high strength aluminum alloy materials
3.Features:With Self-locking function to pull the wire tight ,which increasing the safety and reliability of the line and reusable advantage after removing
4.Significant effect:No cutting of the wire brings electrical contact point reduce, low loss, energy-saving of transmission line.
Catalog No. | Conductor Dia. (MM) | Dimensions (MM) | Rated Failure Load (KN) | Weight | |||
M | C | L1 | L2 | ||||
NLL-1 | 5.1-11.5 | 16 | 19 | 140 | 120 | 40 | 1.0 |
NLL-2 | 8.9-18.5 | 16 | 24 | 176 | 187 | 40 | 1.6 |
NLL-3 | 5.0-15.0 | 16 | 18 | 310 | 160 | 70 | 1.9 |
NLL-4 | 12.1-21.8 | 16 | 30 | 298 | 284 | 90 | 4.1 |
NLL-5 | 18.0-30.0 | 22 | 36 | 446 | 342 | 120 | 7.0 |
NLL-6 | 27.0-38.0 | 22 | 44 | 560 | 360 | 120 | 8.1 |
NLL-2A | 7.0-16.0 | 16 | 20 | 111 | 137 | 40 | 1.6 |
NLL-4A | 12.0-21.8 | 16 | 30 | 298 | 292 | 102 | 3.9 |
NLL-5A | 18.0-30.0 | 16 | 32 | 190 | 235 | 70 | 3.9 |
NLL-6A | 27.0-38.0 | 16 | 36 | 296 | 255 | 70 | 4.0 |


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