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Aluminium Alloy Bolted Type Tension Clamp video

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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