Fire door code there are various acceptance specifications for fire doors and windows, the most common of which are: acceptance specifications for wood fire doors, acceptance specifications for steel fire doors, acceptance specifications for fire windows, etc. , as the fire doors and windows are industry-specific standards, the manufacturers and consumers should pay attention to fire doors and windows acceptance. In the course of acceptance, we should check and accept according to the acceptance criterion of fire door and window to achieve the standard of fire protection criterion of engineering project.

The acceptance standards for fire doors and windows are formulated by the Fire Department of the Ministry of Public Security, but many manufacturers have their own standards in the actual production and installation process, in Wuhan Qingshan District, Wuhan Castle Peak Civil Air Defense Components Factory, the acceptance of fire doors, windows in the construction process to achieve compliance with the law, to ensure the quality and quantity of fire engineering.

Fire industry, the specific acceptance criteria for fire doors are the following:

1 Subject matter and scope of application

This standard specifies the product classification, specifications, sizes, technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of wood fire doors. This standard applies to the use of wood or wood openings for the door lever, door frame, door panel fire doors.

2 Reference standards

GB191 test method for noncombustibility of building materials GB5823 terminology for building doors and Windows GB5824 size series for building doors and Windows GB5825 symbol for opening and closing direction and opening and closing face GB6388 symbol for transport packaging GB7633 door and rolling curtain fire resistance test method GB13685 building exterior door and wind pressure deformation performance classification and detection method Gb13686 building design fire code GBJ16 building design fire code GBJ45 high-rise civil building design code GBJ206 wood structure construction acceptance code GBJ210 decorative engineering construction acceptance code TJ9 industrial civil building structure load code.

3 Terms, symbols, codes

3.1 Wood fire doors refer to the use of wood or wood products for the door frame, door frame, door panel, fire resistance to reach Gbj45 section 4.4.1 of the door.

3.2 Wood fire doors in accordance with the name and symbol GB5823 ash MFM.

4 Product classification, specifications and sizes

4.1 Product classification

According to the fire resistance limit is divided into class A, class B, class C wood fire doors.

4.2 Specifications and dimensions

The hole size and construction size of wood fire door shall comply with the provisions of GB5824.

5 Technical requirements

5.1 Materials

5.1.1 Wood

a.The selection criteria for wood shall be in accordance with Table 2.

b.Wood fireproof door should adopt pit dry method dry wood, moisture content should not be greater than 12% . When restricted by conditions, air-dried wood can be used except for the deformation-prone tree species such as Larix mandshurica, Pinus yunnanensis, Pinus massoniana, birch, etc..

5.1.2 Filling material

The filling material shall comply with the provisions of section 7 in GB5464.

5.1.3 Glass

The glass shall be made of qualified products that do not affect the fire resistance of the wood fire doors.

a.Class I is not allowed to have bug holes, Class II is allowed to have surface bug holes.

b.For wood fire doors with dead nodes and large diameter bug holes within the allowable limits, the same species of Cork with glue to fill, for oil products, the color and color of the Cork and wood grain should be consistent with the mouth.

c.In the joint of wood fire door and installation of small hardware, there shall be no wooden section or filled wooden section.

5.1.4 Hardware accessories

Hardware fittings should be the national fire inspection organizations to test the qualified type of supporting products.

5.2 Wood fire doors should be opened, must be open and closed flexible (not more than 80N can be opened under the role of the thrust) . And has the function of self-closing.

5.3 The wooden fire door used for evacuation passage should have the function of being able to close quickly in case of fire, and should be opened to the direction of evacuation, and should not be fitted with locks and latches.

5.4 Double or multiple wooden fire doors with child openings or multiple wooden fire doors must be able to be closed sequentially.

5.5 The gap width and allowable deviation of wood fire door installation shall comply with Table 3 and table 4 respectively. The installation requirements shall comply with the relevant provisions in 206.

5.6 Wooden fireproof door and door frame and door fan lap-joint should be left at the cut sealing groove. And the sealing strip is made of incombustible material.