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JFB-30/3J型恒功(gōng)率並聯(lián)電(diàn)熱帶(dài)

更新時間(jiān):2026-06-06

簡要描述:

JFB-30/3J型恒(héng)功率並(bìng)聯電(diàn)熱帶適(shì)合用於石(shí)油,化(huà)工(gōng),電力,碼(mǎ)頭,消(xiāo)防(fáng)等(děng)行(háng)業的(dí)輸(shū)送(sòng)管綫及貯罐伴(bàn)熱應用(yòng),並能(néng)在(zài)0~205℃狀態下,快(kuài)速起(qǐ)動,溫度均匀(yún),因(yīn)每一局部(bù)皆可因(yīn)其(qí)被伴(bàn)熱處的(dí)溫度(dù)變化自(zì)動調節。

型號(hào):點擊(jī)量(liáng):3166

JFB-30/3J型恒(héng)功(gōng)率(shuài)並(bìng)聯電(diàn)熱帶(dài)詳細資料:

1)產品(pǐn)結(jié)構(gòu)與工作原理 
 Product Structure and Working Principle 

 三根平行的絕緣(yuán)銅(tóng)綫(xiàn)為(wéi)電源母綫(xiàn),在內(nèi)護套(tào)絕(jué)緣(yuán)層(céng)外纏繞電(diàn)熱(rè)絲(sī),並將該電熱絲(sī)每(měi)隔(gé)一定距離分(fēn)別(bié)依(yī)次(cì)與三(sān)根(gēn)電源母綫(xiàn)循(xún)環(huán)連接(jiē),在每二相(xiāng)間形成連(lián)續(xù)並(bìng)聯電阻。當母綫通以(yǐ)三(sān)相(xiāng)電(diàn)後,各並(bìng)聯電阻同時發熱,因而形成(chéng)一(yī)條(tiáo)連續(xù)的加(jiā)熱帶。
Three parallel insulation copper wires form power generatrix. Electric heating threads are wound around the inner jacket insulation layer ln every certain distance, the heating thread is welded in turn to the three power generatrix circularly. This makes every 2 phases into acontinuous parallel connection resistance. When the generatrix is connected to 3 -phase power supply, the every parallel resistance heats at the same time This makes a continuous heating belt.
Product Types and Main Technical Characteristics 

JFB-30/3J型恒(héng)功率(shuài)並聯(lián)電熱帶主要(yào)技(jì)術參(cān)數表 
Table 2-2: Main Technical Parameters of JFB- 口(kǒu) /3 Type Electric heat cable

 

型(xíng)號Type

 

 

額定
電壓(yā)



(v)

 

 

額(é)定
功(gōng)率(shuài)


(w/m)

 

 

絕緣(yuán)
電阻


(MΩ /hm)

 

 

電(diàn)氣
強度



(v/min)

 

 

絕緣層
材料(liào)
 

 

 

產(chǎn)品(pǐn)
Z高


(℃)

 

 

防爆(bào)
標誌(zhì)

 

 

Z小彎(wān)

(mm)

 

 

介(jiè)質Z
高(gāo)維(wéi)持
溫(wēn)度

(℃)

 

 

單電(diàn)源
Z大使(shǐ)
用長(cháng)度Max.

(m)

 

 

加強型Reinforced

 

JFB-30/3J

380

30

≥50

2750

F46

200

ExeIIT4

 

普通型Common

 

 

 

30
加強型

 

35

120

320

JFB-40/3J

40

100

240

JFB-50/3J

50

80

190

JFB-60/3J

60

60

160

(3)產品特(tè)點及應用(yòng)場合
Product Characteristics and Applications 

優(yōu)點:
Besides the above characteristics the three phase heating cables have following advantages: 
①率的三(sān)相電熱(rè)帶的(dí)Z大(dà)允(yǔn)許使用長度是單相電(diàn)熱帶(dài)的(dí)三倍(bèi)。
The most tolerable length of the three-phase heat cable is three times longer than the length of the single-phase heating cable of the same wattage.
②三相(xiāng)帶截(jié)麵大,傳(chuán)熱(rè)導麵積大,能(néng)提高傳(chuán)輸效率(shuài)。
Bigger section area of three phase heating cable can broaden heat transmitting area and thisincreases the transmitting efficiency.
 
三(sān)相(xiāng)並聯(lián)帶(dài)一般(bān)適(shì)用於(yú)大管(guǎn)徑,管(guǎn)網係統管(guǎn)綫(xiàn)和罐體(tǐ)的伴熱保(bǎo)溫。
Three phase parallel connection heating cables are suitable forthethermal insulation of pipes with big diameters, pipe lines in nets and tanks.

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