Mineral Flexible Fire Cable Manufacturer, Factory，Find Mineral flexible fire cable, in Dexin Cable Group Co. Ltd

Mineral Flexible Fire Cable

I. advantages of inorganic mineral insulated cable

1, excellent fire performance, fire resistance grade can not only meet the GB 12666.6a 950C, 90min (6503h as specified in BS6387-1994, UK; 7503h; 95 3h requirements); At the same time, in the combustion can also withstand water spray and mechanical impact Blow.

2. The continuous length is long, no matter it is single core or multi-core cable, its length can meet the power supply The length required, up to 2000m.

3. The section of large single-core cable can reach 1000mm2; Multi-core cable up to 240mm2.

4. With flexibility, the cable can be wound on the cable coil with bending radius ≥20D.D for The outside diameter of the cable.

5. The insulation is made of inorganic materials (non-combustion body), which will not produce any harmful gas during combustion Body, will not happen twice pollution, said. On the environmental protection of green products.

6. Large overload capacity. The cable not only has a large interception amount but also has a large overload capacity.

According to the wiring requirements, the surface temperature of the cable is usually no more than 70. If the wiring is not touchable, also

When not in contact with combustible building materials, the cable sheath temperature can reach 105 and overload

When the fire cable allows operating temperature up to 250.

7, corrosion resistance, organic insulation refractory cable sometimes need to wear plastic pipe or iron pipe, plastic is very Easy ageing and the brittle, iron pipe is easy to rust, fire cable is copper sheath without tube, copper protection Good corrosion resistance.

8, no electromagnetic interference, fire cables and signals, control and other wires and cables in the same - shaft When installed, the fireproof cable is shielded by a copper sheath and will not transmit signals or control cables Interference with information.

9, fire cable in addition to a normal power supply in the flame, starting fire extinguishing equipment, reduce fire damage

At the same time, it is also particularly reliable for the human body, and it is copper sheath is a good conductor of grounding wire and connected Extend to the whole length of the cable, greatly improve the sensitivity and reliability of grounding protection.

10, long service life, inorganic insulation materials, high-temperature resistance, and not easy to ageing, his life

Life is many times longer than the organic insulated cable, in the normal working state, its life can be Equivalent to a building.

11. Transportation and installation of flexible fire cable, including installation accessories, are similar to ordinary cables. Relatively simple.

12, good economy, flexible fire cable, because of advanced manufacturing technology, simple installation, Under the same conditions, the comprehensive cost is lower than that of the organic insulated cable.

Electrical characteristics of inorganic mineral insulated cables

1. Stable insulation voltage: 0.6/1kv;.

2. Rated working voltage: 500V light load, 750V heavy load;

3. Rated power supply: single-core 25-1800 Ann, multi-core 16-500 Ann;

4. Insulation resistance: insulation resistance ≥1000MQKM, cable length less than 100M,

Then insulation resistance ≥10000MQ;

5. Working pressure resistance: 500V grade cable and 750V grade cable shall be applied to 2000V and 750V grade cable respectively

2500V voltage, which lasts for 15min, is applied between the core wire and the core wire, and between the core wire and the copper sheath.

A breakdown should not occur.

Fire resistance of inorganic mineral insulated cable

1, according to the GB12666.6

A. Class A applies 750V between the combustion phase and the outer sheath at the flame temperature of 950 For 90min, the insulation is not damaged.

B. Class B is applied between the combustion phase and the outer sheath at the flame temperature of 750-800 With a voltage of 750V, the insulation will not be damaged for 90min.

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