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同為防火電纜,阻燃電纜和耐火電纜有何區別

信息來源www.rodapunk.com | 發布時間2021年10月27日

耐火電纜

耐火指在火焰燃燒情況下能保持時間的運行,即保持電路的完整性,該類型電纜在火焰中具有時間的供電能力。

主要用于高層建筑、地下鐵路、核電站及重要工礦企業與防火和消防救生有關的地方,如應急電源至戶內消防設備、火災報警設備、信號燈、通風排煙設備、緊急用電梯等的供電線路。

使用特性:耐火電纜(電線)是一種在處于燃燒情況仍能保持線路在時間里正常運行的電纜。與通常的阻燃電線電纜的區別在于:發生火災時,耐火電纜仍能傳輸電能,以利于疏散人群和搶救重要設備。

阻燃電纜

阻燃是指阻滯、延緩火焰沿著電線電纜的蔓延,使火災不擴大,該類型電纜著火后具有自熄性能。

廣泛用于大型建筑物、隧道、石油化工行業、發電站、礦山等對防火有較高有求的地方。當發生火災時,能阻止火勢在電纜上蔓延,避免火災事故擴大,減少損失。



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