耐火型電線電纜
本產品適用于凡是在火災時,仍需保持正常運行的線路如工業及民用建筑的消防系統、應急照明系統、救生系統、報警及重要的監控回路等。常用于:消防泵、噴淋泵、消防電梯的供電線路及控制線路
防火卷簾門、電動防火門、排煙系統風機、排煙閥、防火閥的供電控制線路
消防報警系統的手動報警線路,消防廣播及電話線路
高層建筑及機場、地鐵等重要設施中的安保閉路電視線路
集中供電(dian)的應急照明線(xian)路(lu)(lu),控制及保護電(dian)源線(xian)路(lu)(lu)
大、中型變配電所重要的繼電保護線路及操作電源線路
計算機監控線路
產品執行標準: GB/T19666-2005、GB/T5023-2008、GB/T12706.1-2008、GB/T9330-2008
耐火型電線電纜的說明
耐火型電線電纜是指在規定試驗條件下,在火焰中被燃燒一定時間內能保持正常運行特性的電纜按GB/T19216-2008《在火焰條件下電纜或光纜的線路完整性試驗》的標準要求,耐火電線電纜的必須在750℃下燃燒90min,2A熔絲不熔斷。
耐火型電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜采用(yong)耐高溫的有(you)機(ji)隔火帶作耐火層。按照GB/T19666-2005,耐火電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜可(ke)以分為(wei)阻(zu)(zu)(zu)(zu)燃(ran)耐火電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜和非(fei)阻(zu)(zu)(zu)(zu)燃(ran)耐火電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜。阻(zu)(zu)(zu)(zu)燃(ran)耐火電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜主要是在(zai)(zai)絕(jue)緣或護套中加入阻(zu)(zu)(zu)(zu)燃(ran)劑,就可(ke)以同時(shi)滿足(zu)阻(zu)(zu)(zu)(zu)燃(ran)特性。非(fei)阻(zu)(zu)(zu)(zu)燃(ran)耐火電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜就是在(zai)(zai)絕(jue)緣或護套中不添(tian)加阻(zu)(zu)(zu)(zu)燃(ran)劑.它不具備阻(zu)(zu)(zu)(zu)燃(ran)特性。
防火阻燃技能等級 | 供火溫濕度 | 供火期限 | 成束敷設通信電纜的非廢金屬涂料體積計算 | 炭化的高度 | 自熄時期 | 適用于的廠品 |
A | ≥815℃ | 40min | ≥7升/米 | ≤2.5米 | ≤1h | 防潮耐火纜線 |
B | ≥815℃ | 40min | ≥3.5升/米 | ≤2.5米 | ≤1h | 無鹵耐火電纜線 |
C | ≥815℃ | 20min | ≥1.5升/米 | ≤2.5米 | ≤1h | 隔熱、阻燃耐火拖鏈電纜 |
D | ≥815℃ | 20min | ≥0.5升/米 | ≤2.5米 | ≤1h | 阻燃劑耐火線纜 |
產品結構:
會議標
鄰接權擁有:久盛電器持(chi)股不多(duo)工司