What are the functions of steel and wood armored doors?

Steel and wood armored doors are doors with certain insulation and fire protection requirements. They are primarily used in building fire zones, escape routes, distribution rooms, stairwells, pipeline wellheads, etc., and are important fireproof building materials.

1. Steel and wood armored doors are divided into Class A for 90 minutes, Class B for 60 minutes, and Class C for 30 minutes.

2. The open state of steel and wood armored doors is divided into: normally closed fire doors and normally open fire doors.

3. The internal filling materials of steel wood armored door are expanded Perlite, silica calcium fireproof board, etc.

4. Steel and wooden armored doors are equipped with fire seals, fire hinges, door closers or fire locks, and some are also designed with fire resistant glass.

5. Domestic steel and wood armored door manufacturers should issue a type approval certificate and obtain an inspection report from the Fire Product Qualification Appraisal Center of the Ministry of Public Security, and implement it in accordance with the current fire regulations 12955-2008.

In addition to the functions of general doors, steel and wood armored doors also have special functions of fire prevention and smoke separation. When walking is required, Class A fire doors are installed in the fire resistant area of the building. Once a building is unfortunately destroyed by fire, A-level fire doors can to some extent prevent and delay the spread of floods. Fire doors must undergo reasonable data selection methods, outstanding structural design, and reliable fire protection functions, as well as national standard experimental methods. In addition to the important fire prevention key, civil fire doors must also pay attention to the characteristics of light weight, beautiful appearance, and durability. According to its fire resistance, it is divided into A-level fire doors, B-level fire doors, and C-level fire doors; According to the information used, it is divided into wooden fire doors, armored fire doors, and composite fire doors.

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