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)產(chǎn)品規(guī)格和主要技術(shù)特性
Product Types and Main Technical Characteristics
表 2-3： JFC-口/3型電熱帶主要技術(shù)參數(shù)表
Table 2-3: Main Technical Parameters of JFC- 口 /3 Heating Cable
型號
Type
額定 電壓
Rated Voltage
(v)
額定 功率
Rated Power
(w/m)
絕緣 電阻
Insulation Resistance
(MΩ /hm)
電氣 強度
Electricity Intensity
(v/min)
絕緣層 材料
Insulation Material
產(chǎn)品最 高耐溫
Highest Temp- erature
(℃)
防爆 標志
Explosion Proof Label
介質(zhì)最 高維持 溫度
Highest Maintenance Temperature of Media
(℃)
加強型
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： 實際選用時應根據(jù)管道長度、散熱量、工作電壓和芯線數(shù)，計算芯線截面而定。
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)產(chǎn)品應用場合
Applications
主要適用于長距離和超長距離單一管線的伴熱保溫，一個電源點最大使用長度為幾百米到數(shù)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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