JFC 串聯(lián)型電熱帶是一種由芯線(xiàn)作發(fā)熱體的電伴熱產(chǎn)品，由于芯線(xiàn)單位長(zhǎng)度的電阻和通過(guò)的電流均恒定，所以整根電伴熱帶首尾發(fā)熱均勻，輸出功率恒定。 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
| Type | 額定 電壓Rated Voltage(v) | 額定 功率RatedPower(w/m) | 絕緣 電阻Insulation Resistance(MΩ /hm) | 電氣 強(qiáng)度Electricity Intensity(v/min) | 絕緣層 材料Insulation Material | 產(chǎn)品z.ui 高耐溫Highest Temp-erature(℃) | 防爆 標(biāo)志ExplosionProof Label | 介質(zhì)z.ui 高維持 溫度HighestMaintenance Temperature of Media(℃) |
| 加強(qiáng)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(shí)際選用時(shí)應(yīng)根據(jù)管道長(zhǎng)度、散熱量、工作電壓和芯線(xiàn)數(shù)，計(jì)算芯線(xiàn)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(yīng)用場(chǎng)合
Applications
JFC 型恒功率串聯(lián)電熱帶
主要適用于長(zhǎng)距離和超長(zhǎng)距離單一管線(xiàn)的伴熱保溫，一個(gè)電源點(diǎn)z.ui大使用長(zhǎng)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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