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  • Qingdao Huaqiang Cable Co.ltd HOME > PRODUCTS > WIRE > BV series

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    BV series

    BVR Wire

    BVR wire is a special soft wire for power distribution cabinet, also known as the two time line. The insulated flexible wire with copper core PVC is applied to the occasion when the fixed wiring is soft. It is very popular with the decoration personnel of the vast electricians and buildings.
    Chinese name
    BVR line
    Foreign language name
    BVR line
    Overview definition
    The BVR line is a copper core PVC insulated flexible wire, which is used for flexible wiring when fixing wiring.
    BVR wire is a kind of special soft wire for distribution cabinet. Also called the two line.
    Detailed introduction
    This product is suitable for fixed installation of power units with AC rated voltage of 450/750V or less. It's like home lighting. Fixed wiring can be used for indoor application and tube piercing. In order to facilitate the difference in the installation process, it can be divided into seven colors: red, yellow, blue, green, black, white and double. Because BVR is a soft structure, its application scope is mostly in soft environment. The only difference between BVR wire and BV wire is that the conductor diameter of R conductor is soft copper wire. That is to say, increase the number of conductors, reduce the diameter of single conductor, and the diameter of single conductor is less than 1 millimeters. As a result, BVR wire is very soft, laying angle requirement is much lower than that of BV wire. It is more convenient and quick to wear line pipe and line slot. It greatly improves working efficiency while reducing work strength. By the vast majority of electrical and architectural decoration personnel like!
    The difference between BV and BVR:
    (1) from the production process, BV is single core, BVR is multi-core, and BVR is more complicated than BV.
    (2) from the price point of view, BV and BVR are more expensive than BV because they are only in process. In the International Electrotechnical Commission, the scope of BVR is from 2.5 mm to 70 mm, but according to the actual needs of our country, it is the same as BV.
    (3) in terms of performance, BV is basically the same as BVR and BVR slightly heavier.
    Similarly, BVR wires are also divided into flame retardant wires (ZR-BVR), fire resistant wires (NH-BVR) and low smoke halogen free wires (WDZ-RYJ) according to the materials they choose. The user is flexible in the use of the situation. Among them, low smoke (low) halogen wires produce a very small amount of smoke under the condition of flame combustion, and the gases released do not contain halogen (low halogen) elements, and are non-toxic (low toxic). When a fire occurs, it can greatly reduce the harm to instruments, equipment and human body, and is widely used in high-rise buildings, hospitals, large libraries, gymnasiums, disaster prevention and control and dispatching buildings, stations and civil airports, passenger waiting rooms, key cultural relics protection sites, subway, underground stores, or densely populated public fields. It is.
    Alphabetic meaning
    B refers to the category belonging to the wire, which is expressed in the letter B.
    V refers to PVC polyvinyl chloride, also commonly known as "plastic".
    R means soft. If we want to be soft, we need to increase the number of conductors.
    parameter
    Product structure: conductor + insulation. The main materials of the conductor are oxygen free copper, composed of many copper wires, and the insulation is PVC.
    Standard of execution: JB8734-2012/GB5023-2008;
    Quality standard: 3C certification;
    Rated voltage: wire immersed for 1 hours, withstand AC 50Hz2500V (450/750V), 2000V (300/500V) voltage test for 5 minutes without breakdown.
    Working temperature: the maximum temperature of normal work is not more than 70 C, the highest temperature of type BVR-105 is 105 C, and the laying temperature of electric wire should not be below 0 C.
    Permissible bending radius: the outer diameter (D) of the wire is less than 25mm, and the outer diameter of the wire (D) is less than 6 (D), and the outer diameter of the wire (D) is 25mm or above.
    Color: red, yellow, blue, green, black, brown, yellow green, white, etc., can be customized according to requirements.
    Application: it is applicable to the power of the rated voltage 450/750V and the following power, daily appliance, instrument and telecommunication equipment and so on. And it is more used in all kinds of mechanical equipment, and the flexural ability is strong.

    Specification model

    Nominal section (mm2)

    Wire core structure / line diameter (mm)

    Reference weight (kg/km)

    Average outer diameter upper limit (mm)

    Conductor resistance at 20 C (omega /km)

    1.0

    ~

    ~

    ~

    ~

    1.5

    ~

    ~

    ~

    ~

    2.5

    19/0.41

    34.7

    4.2

    7.41

    4

    19/0.52

    51.4

    4.8

    4.61

    6

    19/0.64

    73.6

    5.6

    3.08

    10

    49/0.52

    129

    7.6

    1.83

    16

    49/0.64

    186

    8.8

    1.20

    25

    98/0.58

    306

    11.0

    1.15

    35

    133/0.58

    403

    12.5

    0.868

    50

    133/0.68

    553

    14.5

    0.641

    70

    189/0.68

    764

    16.5

    0.443

     

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