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What are the contents of the national standard for fireproof plastic sprayed steel cable tray


Release time:

2023-12-12

Fireproof cable tray refers to the cable tray system used to pass through the fire barrier inside

Fireproof cable tray refers to the cable tray system used to pass through the fire barrier inside or outside the building. 
The material of fireproof cable tray is generally made of steel, aluminum alloy and other metals, which has good fireproof performance and corrosion resistance. 
The materials of plastic sprayed cable tray usually include steel structure cable tray, anti-corrosion, anti-rust materials and coatings. 
The manufacture of plastic sprayed cable tray needs to clean up the steel structure Cable tray supplier, including rust removal, oil removal, decontamination and so on. 
Steel cable tray has the advantages of high strength, corrosion resistance, easy installation and maintenance, so it is a kind of structural engineering widely used in various industrial and civil buildings. 
The technical specification for cable tray includes installation standards: the installation of cable tray system should comply with national standards or industry standards, and should be carried out in accordance with design requirements. 
Installation shall be carried out by professionals, and quality inspection and acceptance shall be carried out. 
The main contents are as follows: 1. The main raw materials of fireproof bridge are steel plate, steel pipe and steel belt. in order to improve the fireproof performance of the bridge, it is necessary to choose the material with good flame retardant performance when selecting raw materials. 
In the process control of fireproof bridge, it is necessary to control the production process to ensure the full mixing and dispersion of flame retardants and to prevent product quality problems. 
2. The spray curing time of the spray plastic bridge frame is short, the coating has a strong ability of corrosion resistance and wear resistance, there is no need to spray the primer first, and the plastic spraying operation of the bridge frame is simple and convenient. This process requires low technical requirements for workers, and the cost is lower than that of painting. 
Spray plastic bridge is to spray anti-corrosion and anti-rust materials on the surface to form a protective film, and then spray paint to make the bridge surface have a beautiful effect. 
3. Steel bridge steel is the main material for manufacturing steel bridge. Different kinds of steel can be selected according to the use environment and requirements. 
The commonly used steels are Q235, Q345, Q355 and so on, among which Q355 steel has the advantages of high strength, good toughness and corrosion resistance. 
There is a certain relationship between the price and quality of cable tray. 
The price of cable tray of some well-known brands is higher than that of some small manufacturers, but its quality and stability are better. 
Therefore, it is necessary to choose their own brand and price of cable tray according to the actual demand. 
4. Cable tray lathe operators are required to master the relevant calculation of turning workpieces, and know the performance and heat treatment knowledge of commonly used cable tray plates, and correctly place the workpieces. 
Plastic sprayed cable tray is widely used in the layout and maintenance of power facilities in power lines, substations, distribution rooms and other places, as well as in telephone lines, optical cables, microwave communications and other communication facilities. 
5. In the design process of the bridge standard, the load, climate, topography and service life of the cable bridge need to be considered. 
The design requirements must meet the relevant national standards, such as "Code for Design of Cable Tray" and so on. 
The standard specification of cable tray includes international standards, national standards and industry standards. 
When selecting and using cable tray, it should refer to the corresponding standards and specifications to ensure its quality and safety. 
6. Thickness standard cable tray thickness refers to the distance between the upper and lower sides of the cable tray plate, which refers to the thickness of the plate. The standard English symbol is "T" and the unit is millimeter. The cable tray thickness is related to the project requirements and national standards. 
When cable tray purchasers ask cable tray manufacturers to quote, they should clearly describe which thickness standard to use, whether to use 2000 standard or 2013 standard, and whether cable tray galvanizing should be galvanized or hot-dip galvanized. 
The above is the introduction of the national standard of fireproof plastic sprayed steel cable tray.

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