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Strain Clamps

Application: Mainly used to secure conductor /ground wire terminals of strain towers, or bracing wire terminals of pole towers in overhead lines, distribution lines

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Product Details

Application: 

Mainly used to secure conductor /ground wire terminals of strain towers, or bracing wire terminals of pole towers in overhead lines, distribution lines, substations and power plant distribution device systems. Bear all tension of the conductor, earth wire and ground wire. 



Category:

Bolt type, NL-type ramjet bolt type, aluminum alloy strain clamp (bolt type), strain clamp for steel wire (anchor forged/compression type), strain clamp for AS. Stranded Wire (hydraulic compression type), strain clamp (hydraulic compression type), strain clamp for AAA conductor (hydraulic compression type), strain clamp (explosive compression type), strain clamp for ACSR AS conductor (hydraulic compression type), strain clamp for HRAAS conductor (hydraulic compression type), strain clamp for AACSR (hydraulic compression type), strain clamp (hydraulic compression type and non bolts), etc


Product Features:

Fitting Type

(%)Ratio

Fitting Type

Ratio

compression type

95

For distribution line

65

Bolt type

90

For insulated wire( insulating layer stripped)

65

Wedge type

90

For substation

65


Generally made of malleable cast iron, steel and aluminum alloy. All ferrous metals are hot-dip galvanized


Note: 

Based on type and application, products to be introduced herein is divided into 6 categories, namely, suspension clamp, strain clamp, link fitting, splicing fitting, protective fitting, guy wire fitting. 

Based on product structure and function, each category can be further divided into several series. 

1.Product type code consists of phonetic alphabet, Arabic numbers and additional letter. Each part refers to the following meaning: 

QQ截图20170608114920.png

2.For strain clamps and slicing sleeves of compression type, only the sleeve OD, applicable conductor specification or type are available herein. See attachment for conductor parameter. 

3.For suspension clamps, parallel groove clamps and dampers, the calculation of applicable conductor diameters listed herein have taken into account of the wrapping and winding material.

4.For products not included herein, customized manufacturing service is available. 

5.For bolt type electric fittings, the recommended bolt tightening torque is as follows: (4.8 Class)

(mm)Bolt Dia.

8

10

12

14

16

18

20

(N.m)Tightening torque

13

22

36

50

65

83

105

6.The technical parameters of the introduced electric fittings herein conform to GB/T2314-2008, General Technical Requirements of Electric Fittings, IEC61284/IEC61897, and other relevant standards.


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