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Company Name: Henan Xinchaoda Cable Co., Ltd.

Contact: Manager Guo

Mobile: 15038007773

Phone: 0371-63665188

0371-63775188

Email: 369066144@qq.com

Website: http://pdaavenue.com

Address: Xibaishui Village, Xitao Town, Wuzhi County

Marketing Center: 1812, Building B, Building 3, Shenglong Plaza, Zhengdong New District, Zhengzhou

Refractory wire

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Refractory wire

  • 耐火线
  • Category: Household wires

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  • Release Date: 2018/08/16
  • Online Inquiry
Detailed introduction

Elaborate:

The overhead line of the overhead line is made of glass fiber braid + fluorophlogopite tape, which is processed by a special process. Its secondary characteristics are low temperature resistance, insulation, fire resistance, corrosion resistance, aging resistance, weather resistance, high strength, and high modulus. , Anti-static features. The frontline can still work normally under fire conditions.

According to different conductors, it can be divided into bare copper wire, pure nickel wire, and nickel-plated copper wire. The front line can be divided into: single-layer refractory and double-layer refractory.

The extra voltage of the cable U0 / U: 450 / 750V, the cable operating frequency is 50Hz.


The temporary allowable task temperature of the cable conductor should not exceed 70 ° C.


The laying temperature of the cable should not be lower than 0 ° C. The recommended allowable bending radius: those with a cable outer diameter (D) less than 25mm, not less than 4D; those with a cable outer diameter (D) 25mm or more, not less than 6D.


The conductor structure and function of the cable conform to the rules of GB / T3956-2008.


The appearance of the conductor is bright, no oil, no burrs or sharp edges that damage the insulation.


The NH-BV conductor is wrapped with mica tape as a refractory layer. The mica tape is wrapped flatly, and the appearance is tight and no leakage.


The insulation is tightly packed on the conductor or mica tape, and it is easy to peel off without damaging the conductor or the insulation layer; the insulation has a flat appearance and uniform color; there is no visible bubbles and trachoma on the cross section of the insulation layer.


ZR-BV, NH-BV cable insulation information is ZR-PVC / C type polyvinyl chloride mixture.


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Keywords: overhead line

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