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                      首頁 > 產品展示 > 電伴熱帶 > JFB-30/3J電伴熱帶 > JFB-30/3J型恒功率并聯電熱帶

                      JFB-30/3J型恒功率并聯電熱帶

                      描述:JFB-30/3J型恒功率并聯電熱帶適合用于石油、化工、電力、碼頭、消防等行業的輸送管線及貯罐伴熱應用,并能在0~205℃狀態下、快速起動,溫度均勻,因每一局部皆可因其被伴熱處的溫度變化自動調節。

                      更新時間:2020-10-08
                      產品型號:
                      廠商性質:生產廠家
                      詳情介紹
                      品牌天康外表材質其他
                      顏色紅色產地國產
                      加工定制

                      JFB-30/3J型恒功率并聯電熱帶詳細資料:

                      1)產品結構與工作原理 
                       Product Structure and Working Principle 

                       三根平行的絕緣銅線為電源母線,在內護套絕緣層外纏繞電熱絲,并將該電熱絲每隔一定距離分別依次與三根電源母線循環連接,在每二相間形成連續并聯電阻。當母線通以三相電后,各并聯電阻同時發熱,因而形成一條連續的加熱帶。
                      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型恒功率并聯電熱帶主要技術參數表 
                      Table 2-2: Main Technical Parameters of JFB- 口 /3 Type Electric heat cable

                       

                      型號Type

                       

                       

                      額定
                      電壓



                      (v)

                       

                       

                      額定
                      功率


                      (w/m)

                       

                       

                      絕緣
                      電阻


                      (MΩ /hm)

                       

                       

                      電氣
                      強度



                      (v/min)

                       

                       

                      絕緣層
                      材料
                       

                       

                       

                      產品
                      Z高


                      (℃)

                       

                       

                      防爆
                      標志

                       

                       

                      Z小彎

                      (mm)

                       

                       

                      介質Z
                      高維持
                      溫度

                      (℃)

                       

                       

                      單電源
                      Z大使
                      用長度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)產品特點及應用場合
                      Product Characteristics and Applications 

                      優點:
                      Besides the above characteristics the three phase heating cables have following advantages: 
                      ①率的三相電熱帶的Z大允許使用長度是單相電熱帶的三倍。
                      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.
                      ②三相帶截面大,傳熱導面積大,能提高傳輸效率。
                      Bigger section area of three phase heating cable can broaden heat transmitting area and thisincreases the transmitting efficiency.
                       
                      三相并聯帶一般適用于大管徑,管網系統管線和罐體的伴熱保溫。
                      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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