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JPB 型并联高温带分单相带和三相带两类,其结构分别与JFB型并联式单相带和三相带相似,所不同的是芯线采用镀镍铰线,编织层采用镀镍铜丝,绝缘层和护套层均采用四氟乙烯-一全氟烷基乙烯醚共聚物(简称 PFA)挤塑而成,能在260℃温度下长期使用。
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FDP2-J4型高温恒功率电热带,其工作原理,产品结构及应用与FDP2-J3型恒功率电热带相同,所不同的是其绝缘材料采用了耐高温防水玻璃纤维和耐温高于F46的PFA氟塑料,流体维持温度可达180℃~205℃,它尤其适合沥青、重粘油管线伴热,该产品可用于工厂一区、二区爆炸场所。
FDP2-J4 Hi-temp heating cable properties is similar to FDP2-J3,The difference is that the insulation material is Hi-temp water proof fiberglass and PFA fluoropolymer. It is suitable for industrial application where temperature excursions to 205℃ or process temperature maintenance to 180℃~205℃.Particularly use in maintenance temp such as pipeline of Pitch,crude oil.It is applied in ordinary(non-hazardous)areas and division 1,2 hazardous(mixed gas)Class locations.