Professional Cable Tray Manufacturer

Shandong Hongfeng Electric Group Co., Ltd.

The products can be widely used in construction, energy, power, plant.

What are the contents of the national standard for fireproof cable bridges?

Release time:

2023-12-07

The following hazards should be avoided during the installation of fireproof cable tray: mechanical damage

The following hazards should be avoided during the installation of fireproof cable tray: mechanical damage, mechanical vibration, corrosive liquid, ultraviolet radiation, thermal radiation, etc.
The overall protection grade of fireproof cable tray shall comply with the IP30 grade in GB4208-2008.
When laying fireproof cable tray and thermal pipe without thermal insulation horizontally, the parallel spacing shall be at least 1000mm, the minimum spacing for cross laying shall be 500mm, the minimum distance for cross laying between fireproof cable tray and thermal pipe with thermal insulation measures shall be 300mm, and the distance for horizontal laying shall be at least 500mm.
2000 the national standard stipulates that the manufacture, engineering design and construction of the bridge, in addition to implementing this bridge standard, should also comply with the provisions of other existing national standards.
2000 the national standard stipulates that the manufacture, engineering design and construction of the bridge shall not only implement this national standard, but also comply with the provisions of other existing national standards.

Keywords：

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According to the material of cable tray, what are the steel cable tray?

Stainless steel cable tray national standard thickness specification, what are the new contents in 2023?