The use of cable tray we will see in some laying of cable field occasions, mainly play a role in cable maintenance, some people will worry that if the cable is damaged, the cable tray is not also on fire, in fact, the bridge has fire performance. So what is the fire standard of shandong cable bridge?

　　防火电缆桥架主要依据防火电缆的标准。防火层厚度要求大于等于1mm，耐火30分钟。这是防火电缆防火涂料的标准。防火材料为钢材，防火电缆外层也包覆防火材料。

　　Fireproof cable tray is mainly based on the national standard of fireproof cable. The thickness of the fire protection layer must be greater than or equal to 1mm, and the fire resistance should be 30 minutes. This is the standard of fire retardant coating for fire retardant cables. The fireproof material is steel, and the fireproof cable is also covered with fireproof material.

　　尽量选择钢制或不燃阻燃材料制成的电缆桥架。防火电缆桥架采用钢壳，双层防火罩，配无机防火箱。保温层厚度均匀为25mm，双层罩盖通风散热，内部喷涂防火漆。防火电缆桥架在发生火灾时会膨胀，在60分钟的防火测试期间，电缆没有损坏，支撑结构很好。

　　Try to choose the cable tray made of steel or non-combustible flame retardant materials. Fireproof cable tray adopts steel shell, double layer fireproof cover and inorganic fireproof box. The thickness of insulation layer is 25mm evenly, the double cover is ventilated and heat dissipated, and the interior is sprayed with fireproof paint. The fireproof cable tray expands in the event of a fire. During the 60 minute fire test, the cable was not damaged and the supporting structure was in good condition.

　　防火电缆的高标准是英国的bs6387标准。普通电缆敷设防火桥时，需要注意以下几点：

　　The highest standard for fireproof cables is the British standard bs6387. When laying fire Bridges with ordinary cables, pay attention to the following points:

　　外层涂有防火涂料。火灾发生后，防火桥不会燃烧，从而防止火势蔓延。具有优良的防火阻燃效果，具有防火、耐油、耐腐蚀、无毒、无污染的特点。事实上，这座桥本身并没有着火。只是着火了。因此，现在许多项目都使用耐火电缆来节省电缆桥架和维护成本。

　　The outer layer is coated with fire retardant paint. After a fire, the fireproof bridge does not burn, thus preventing the fire from spreading. With excellent fire retardant effect, with fire, oil resistance, corrosion resistance, non-toxic, pollution-free characteristics. In fact, the bridge itself was not on fire. It's just a fire. Therefore, fire-resistant cables are now used in many projects to save cable trays and maintenance costs.

　　防火桥是在普通桥梁表面喷涂一层防火涂料，起到防火、阻燃的作用。防火涂料的防火阻燃原理，防火桥的防护厚度按JB/T10216-2000《电控配电》中“电缆桥”表10的要求，涂层大于12μm，热浸涂层大于65μm，喷涂层大于50μm，耐火性大于500μm，可用测厚仪测量。

　　Fireproof bridge is sprayed on the surface of ordinary bridge with a layer of fireproof coating, which plays the role of fire prevention and flame retardant. Fire retardant coating fire retardant principle, fire bridge protection thickness according to JB/T10216-2000 "electric control distribution" "cable bridge" table 10 requirements, coating is greater than 12μm, hot dip coating is greater than 65μm, spraying layer is greater than 50μm, fire resistance is greater than 500μm, can be measured by thickness meter.

　　另外 电缆桥架的防火能力植根于其材料和制造过程，不同材料和不同制造工艺的防水能力有所不同。因此，山东电缆桥架厂家的防火电缆桥架的标准化设置就显得尤为重要，这可以使防火电缆桥架更加统一可靠。

　　In addition, the fireproof ability of cable tray is rooted in its material and manufacturing process, and the waterproof ability of different materials and different manufacturing processes is different. Therefore, the standardized setting of the fireproof cable tray of Shandong cable tray manufacturer is particularly important, which can make the fireproof cable tray more unified and reliable.

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