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XINGYAO CABLE
Hebei Xingdu Cable Co., Ltd. was founded in 2004 and is located in Chengdong Industrial Zone, Ningjin County, Hebei Province. It is close to Qingyin Expressway and Provincial Highway Zhengxi Highway. -
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XINGYAO CABLE
Enterprises adhere to the quality-oriented, scientific and technological innovation, the introduction of advanced production lines, equipped with perfect testing equipment, the establishment of a scientific management system. -
XINGYAO CABLE
The enterprise has obtained the national industrial product production license, China power grid shortlisted enterprises, China quality certification center CCC compulsory certification, through the ISO9001 quality system certification and IS014001 environmental management system -
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CONTACT
XINGYAO CABLE
Diversified products have laid a solid foundation for Xingyao's international brand strategy. The developing Xingyao will adhere to the quality spirit of "quality is shining in the world, win-win and create the future".
Allowable temperature requirements for various wires and cables
Wire and cable used in various industries and places, in order to ensure the selection of cables and in the use of the process of safety, should understand the various wire and cable in the use of the temperature requirements, here to do a brief introduction:
1. PVC insulated wire and cable type: temperature requirements for BV, BVR, BVV, RV, RVV, VV, VLV, etc.
1. Working temperature: The maximum rated working temperature of cable conductor is 70 ℃.
2. Laying temperature: the cable laying temperature shall not be lower than 0 ℃.
2. cross-linked polyethylene insulated cable model: YJV, YJLV, YJV22, YJLV22, YJV23, YJLV23 temperature requirements
1. Working temperature: The maximum rated working temperature of cable conductor is 90 ℃.
2. Overload temperature: The maximum temperature of short-term overload of cable shall not exceed 130 ℃.
3. Short circuit temperature: When the cable is short-circuited, the maximum temperature shall not exceed 250 ℃. (The maximum duration does not exceed 5 seconds).
4. Laying temperature: The cable laying temperature shall not be lower than 0 ℃. When laying below 0 ℃, it must be heated in advance.
3. overhead insulated cable model: temperature requirements of JKY, JKLY, JKYJ, JKLYJ, etc.
1. The long-term allowable working temperature of the cable: XLPE insulation is 90 ℃, and high-density polyethylene insulation is 75 ℃.
2. In the event of a short circuit (the longest duration does not exceed 5 seconds), the maximum temperature of the cable: high-density polyethylene insulation is 150 ℃, and cross-linked polyethylene insulation is 250 ℃.
3. The laying temperature of the cable shall not be lower than -20 ℃.
Four, prefabricated branch cable model: FZ-VV, FZ-YJV, FZ-WDZ-YJY and other temperature requirements
1. Long-term allowable working temperature of cable: PVC insulation is 70 ℃; XLPE insulation is 90 ℃.
2. When the cable is short-circuited (the longest duration does not exceed 5 seconds), the maximum temperature of the cable: PVC insulation is 160 ℃; XLPE insulation is 250 ℃.
3. The laying temperature of the cable shall not be lower than 0 ℃.
Five, rubber cable model: YZ, YC, YZW, YCW temperature requirements
1. Working temperature: the maximum rated working temperature of cable conductor shall not exceed 70 ℃.
6. welding machine cable model: YHZ, YH temperature requirements
1. Working temperature: the maximum rated working temperature of cable conductor shall not exceed 70 ℃.
7. Coaxial Cable Model: Temperature Requirements for SYWV
1. Ambient temperature: PVC sheath is -25~70 ℃, polyethylene sheath is -40~70 ℃.
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Hebei Xingdu Cable Co., Ltd.
Tel: +86-319-5483918
Fax: +86-319-5483916
Mobile: +86-17733991319
E-mail: 545256345@qq.com
Address: Zhujiazhuang Industrial Zone,
Ningjin County, Hebei Province
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