Dry goods: knowledge points of flexible fireproof cables developed rapidly in China
BTTW copper core embossed copper sheathed flexible inorganic mineral insulated fireproof cable , rated voltage 750V.
YTTW copper core embossed copper sheathed flexible inorganic mineral insulated fireproof cable, rated voltage 750V.
YTTWG copper core smooth copper sheathed flexible inorganic mineral insulated fireproof cable, rated voltage 500V.
YTTWV copper core embossed copper sheathed PVC outer sheath flexible inorganic mineral insulated fireproof cable, rated voltage 750V.
DW-YTTWY copper core embossed copper sheathed low-smoke halogen-free polyolefin outer sheath flexible inorganic mineral insulated fireproof cable, rated voltage 750V.
Second, product advantages
1. Excellent fire performance: The fire resistance grade not only meets the national standard GB12666.6A 950°C, 90min, but also meets the A grade 650°C3h specified in British BS6387-1994; the B grade 750°C3h; the C grade 950°C3h test Requirements; at the same time, it can withstand water spray and mechanical impact during combustion;
2. Long continuous length: whether it is a single core or a multi-core cable, its length can meet the power supply length, each continuous length can reach 1000m;
3. Large cross section: single core cable section up to 1000mm, multi-core cable section up to 240mm;
4. Good flexibility: the cable can be placed on the cable reel with a bending radius ≤ 20D, (D is the outer diameter of the cable);
5. Smokeless and non-toxic when burning: Insulation uses inorganic materials (non-combustion), does not produce any harmful gases when burning, and does not cause secondary pollution, which is called environmentally friendly green products;
6. Large overload capacity: The cable not only has a large load capacity, but also has a large overload capacity. According to the wiring instructions, usually the cable surface temperature is ≤70 °C. If the wiring is not touchable and is not in contact with the combustible building materials, the cable sheathing temperature can be increased to 105 °C. The long-term working temperature of the flexible fireproof cable can reach 250 °C when overloaded. ;
7. Corrosion resistance: organic insulated fire-resistant cables sometimes need to wear plastic tubes or iron pipes. Plastic pipes are easy to age and become brittle. Iron pipes are easy to rust. Fire-resistant cables have copper sheaths that do not need to be piped. Copper sheaths have good corrosion resistance.
8. Good shielding performance: When the fireproof cable and the information and control lines are laid in the same shaft, under the shielding of the copper sheath, it will not interfere with the information transmitted by the signal and control wire and cable;
9. Safe and reliable: Fireproof cable can supply power normally in flame, start fire extinguishing equipment, reduce fire loss, and is also very reliable for personal safety. Its copper sheath is a good conductor, it is the best ground PE line, and it is continuous to the cable. Long, greatly improving the sensitivity and reliability of grounding protection;
10. Long service life: The inorganic insulating material has high temperature resistance and is not easy to age. His life is many times higher than that of organic insulated cables. Under normal working conditions, its service life can reach more than 100 years;
11. Simple installation: transportation and installation of flexible fireproof cables, including installation accessories, are similar to ordinary cables, which is relatively simple;
12. Low installation cost: Due to the advanced manufacturing process and simple installation, the flexible cost of the flexible fireproof cable is significantly lower than the cost of the mineral insulated cable under the same conditions.
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