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儀表電纜

鎧裝電纜和交聯電纜之間的區別是什么?

2020-12-29
作者:翊成網絡z

鎧裝指電纜外面還有一層金屬保護層,可能是鋼帶,也可以是細鋼絲。交聯電纜即交聯聚乙烯絕緣電纜,鎧裝表示電纜的外保護層采用鋼帶或者鋼絲纏繞,用于保護電纜不受外部機械力的破壞。

交聯電纜以常見型號YJV為例,鎧裝電纜以常見型號YJV22為例。

鎧裝電纜和交聯電纜沒有必然的互斥關系。


鎧裝電纜廠家


電纜用鎧裝主要是增強抗機械破壞能力,可以直埋敷設,可以防止老鼠損傷電纜絕緣。

交聯作為電纜的絕緣材料,允許的工作溫度高,同等截面的電纜載流量更大。冬季低溫性能好,不宜在低溫下開裂。

YJV22鎧裝電纜有內護套加金屬鎧裝,即雙層護套;而YJV交聯電纜無內護套及鎧裝,只有單層護套,后者要比前者軟,但是不如前者抗拉抗壓等機械性能好。

YJV是架空電纜,YJV22是鎧裝地埋電纜。這兩種都是銅芯電纜,YJV22就是比YJV多了一層鋼帶鎧裝做埋地電纜使用。

YJV22比YJV電纜貴,小規格的相差較大,相差12~20%;大截面的相差在3~12%不等。

所以說,鎧裝電纜是交聯電纜的遞進型號。


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