Jfc type series connection heating cable is electric heating trace product which core wires act as heater.As the resistance per unit length and the current are constant,the power output of the whole heating cable from beginning to end is meaning and constant.
（2）产品规格和主要技术特性
Product Types and Main Technical Characteristics
表 2-3： JFC-口/3型电热带主要技术参数表
Table 2-3: Main Technical Parameters of JFC- 口 /3 Heating Cable
型号
Type
额定 电压
Rated Voltage
（v）
额定 功率
Rated Power
（w/m）
绝缘 电阻
Insulation Resistance
（MΩ /hm）
电气 强度
Electricity Intensity
（v/min）
绝缘层 材料
Insulation Material
产品zui 高耐温
Highest Temp- erature
（℃）
防爆 标志
Explosion Proof Label
介质zui 高维持 温度
Highest Maintenance Temperature of Media
（℃）
加强型
Reinforced
JFC-6~30/3J
380 （660）
6~30
≥100
2750
F46
200
ExeIIT4
120
JFC-30~50/3J
30~50
110
JFC-6~30/3J
6~30
≥100
3500
PFA
260
90
JFC-30-50/3J
30~50
70
★注： 实际选用时应根据管道长度、散热量、工作电压和芯线数，计算芯线截面而定。
Note:When actually applying,choose suitable type cable according to the pipe lenght,heat loss,work voltage,number of core wires.and core wire's section areas.
（3）产品应用场合
Applications
主要适用于长距离和超长距离单一管线的伴热保温，一个电源点zui大使用长度为几百米到数千米。
Mainly applying to thermal insulation of single long legnth pipe,The longest use length with one power suppply circuit from hundreds meters to thousands meters.
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