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并联耐高温恒功率电伴热带RDP3-J4

发布于:2017-01-03 10:11来源:安邦电伴热带 作者:电伴热带厂家点击:
产品名称:HWLX(RDP2-J3)并联恒功率电伴热带
维持温度:0-150℃
耐温温度:205℃
绝缘材料:氟塑料
产品认证:CE RoHs
主要用途:主要用于各种管道、仪表的防冻保温;最高维持温度可达150℃;
可用于工厂一区、二区爆炸性气体场合。

  一、概述

   并联式恒功率电伴热带由多个发热节在整个电缆长度上并联相接而成,其单位长度上发热功率恒定,广泛应用于管道、储罐等的伴热保温。

 

  二、工作原理

   RDP3-J4并联式恒功率电伴热带电源母线三根平行绝缘铜导线,在主绝缘层表面上缠绕电热丝,并将该电热丝每隔一定距离(即发热节长)与母线连接,形成连续并联电阻,母线通电后,各并联电阻发热,因而形成一条连续的加热带。

 

  三、结构

 

  ① 镀锡圆铜线; ② 芯线绝缘层; ③ 内护套绝缘层; ④ 发热丝; ⑤ 外护套; ⑥ 金属编织层; ⑦ 加强护套;

 

  四、参数

  额定电压:220VAC

  常态绝缘电阻:≥20MΩ/百米

  介电强度:2500VAC/50HZ/1min

  长期最高耐温:260℃

  防爆标志:ExeⅡT4

  防护等级:IP56  IP65;

 

  五、(RDP3-J4)并联式恒功率电伴热带性能特点

   1、能按实际需要切割长度,与温控器配套使用,可精确设定介质温度,实现自动控制。  

  2、其单位长度的发热量恒定,使用的电热带越长,输出的总功率越大。

   3、因富有柔软性,可以紧贴管道表面,增加传热效果。  

   4、屏蔽网能起到传热和散热的作用,提高电热带的整体强度,同时还可以用做安全接地线。  

   5、 加强型电热带还具有机械强度高,防腐能力强等特点,主要适用于船舶、海洋钻井平台、地下敷设的管道和有腐蚀性气体的场合。

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