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儀表電纜

如何提高低煙無鹵控制電纜的防火性能?

2020-03-29
作者:翊成網絡z

  電和電線也成了人們生活必備品,隨著生活水平的提高,家用電器越來越多,家用控制電纜可能超負荷工作導致發熱,遇到高溫天氣或者電線老化很容易發生意外,那我們如何預防呢?

  為了給人民創造和詣的生活環境,在引入結構化布線系統后,安裝在商業建筑中的電纜總量有了很大的增長。通常電纜被綁札成束并安裝在吊頂天花板及建筑夾層之間的空間內,或抬高的地板下。要特別注意電纜的性能,不僅在于它們的傳輸特性,也在于防止潛在的火險。

  防火規定適用遍及全世界。投入市場的多種通訊電纜,具有上千種不同的標準和要求,每一種低煙無鹵控制電纜都具有不同的耐火、防煙、抗腐蝕和放毒性等特性。這些特性取決于電纜的材料成分、外皮尺寸及內部導線絕緣等。


低煙無鹵控制電纜


  具有火焰傳播性低、阻燃性高的電纜被用來防止火焰蔓延到建筑物的其他部分。這樣便能有更多的時間逃生,并防止火焰蔓延到建筑物內易燃的材料上。

阻燃級線纜

  用于壓力通風管道的阻燃級線纜,列示/和認證標記為CMP,OFNP.特征為線纜有高阻燃性及冒煙少.也用于環景空氣流通的空間如升高的天花板和地板.

豎井級線纜

  垂直安裝的經過一層以上班的線纜,或垂直安裝于通風豎井內,列示/和認證標記為CMR,OFNR.這些線纜有具有阻燃性及可以防止火焰的蔓延。


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