This standard specifies the product classification, specifications, dimensions, technical requirements, test methods, inspection rules, packaging, transportation, storage, etc. of steel fireproof windows. This standard applies to steel fireproof windows with fireproof functions in industrial and civil buildings. GB 16809-1997 Steel Fireproof Windows GB16809-1997 Standard download decompression password: www.bzxz.net

GB16809—1997
This standard is formulated to correctly evaluate the fire resistance of steel fireproof windows, improve the product quality of steel fireproof windows, and enable construction units to have a unified standard to follow in product selection and fire supervision and management departments to have a unified standard to follow in fire management. In the process of formulating this standard, reference was made to the American standard NFPA80 "Fire Doors and Fireproof Windows". This standard was proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the National Fire Standardization Technical Committee. The drafting unit of this standard: Tianjin Fire Science Research Institute of the Ministry of Public Security. The main drafters of this standard: Jie Fenglan, Wang Guohui, Zhao Dalin. 510
1 Scope
National Standard of the People's Republic of China
Steel fire windows
Steel fire windows
GB16809—1997
This standard specifies the product classification, specifications and dimensions, technical requirements, test methods, inspection rules, packaging, transportation, storage, etc. of steel fireproof windows.
This standard applies to steel fireproof windows with fireproof functions in industrial and civil buildings. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. Test methods for non-combustibility of building materials
GB5464-85
GB5823—86 Terminology of building doors and windows
GB5824—86 Series of dimensions of building door and window openings GB6388-86 Shipping packaging delivery and receipt marks
GB7633-87 Fire resistance test methods for doors and roller shutters GB 8625—88 Test methods for flame retardancy of building materials 3 Terms, symbols, abbreviationsWww.bzxZ.net
3.1 Steel fireproof windows: refers to windows with steel frames that can meet fire resistance stability, fire resistance integrity and insulation resistance within a certain period of time. 3.2 The symbol of steel fireproof window is GFC according to GB5823. 3.3 Abbreviations
GFC-XX
Steel fireproof window
Opening width
Opening height
Example:
Fire resistance limit (A, B, C)
g (fixed)
h (movable)
GFC-0612-g-A, indicating steel Class A fixed fireproof window, opening width is 600mm, height is 1200mm. 4 Product classification and specification size
4.1 Classification by use function, see Table 1.
Approved by the State Administration of Technical Supervision on May 28, 1997, implemented on December 1, 1997
Categories and codes
4.2 Classification by fire resistance limit, see Table 2.
Categories and codes
GB 16809--1997
4.3 The opening size of steel fireproof windows shall comply with the provisions of GB5824. 5 Technical requirements
Function
Fixed
Movable
Fire resistance
5.1 Steel fireproof windows shall comply with the requirements of this standard and be manufactured according to approved drawings and technical documents. 5.2 Materials and accessories
5.2.1 Glass
The glass of steel fireproof windows shall be fireproof glass and shall be a qualified product certified by the national fire protection product testing agency. 5.2.2 Steel
The steel used for the steel fireproof window frame shall comply with the provisions of the corresponding steel standards. 5.2.3 Sealing materials
5.2.3.1 The window frame of steel fireproof windows shall be provided with sealing grooves, and fireproof sealing strips shall be embedded in the grooves. 5.2.3.2 The sealing materials between the sash and glass of steel fireproof windows shall be non-combustible materials or flame-retardant materials. 5.2.4 Hardware accessories
The melting temperature of the hinges, latches and other hardware accessories installed on the steel fireproof windows shall not be lower than 950℃. 5.2.5 Automatic closing devices shall be provided on movable steel fireproof windows. 5.3 Appearance quality
5.3.1 The riveted and welded joints of steel fireproof windows shall be firm, and there shall be no defects such as false welding, fracture, looseness, etc. The bolted joints shall be firm, and there shall be no looseness.
5.3.2 The surface of steel fireproof windows shall be flat, and there shall be no appearance defects such as burrs, welding slag and obvious hammer marks. 5.3.3 Before immersing or applying anti-rust paint, steel fireproof windows should be degreased and derusted. The paint layer should be uniform in thickness and should not have obvious defects such as paint accumulation and paint leakage.
5.3.4 The window sash of movable steel fireproof windows should be flexible to start and should not have defects such as blocking, warping, and rebound. 5.4 Dimensions and allowable deviations
5.4.1 Dimensions of steel fireproof window frames 5.4.1.1 The allowable deviations of width and height dimensions shall comply with the provisions of Table 3. 5.4.1.2 The allowable length deviations of the two diagonals shall comply with the provisions of Table 4. 5.4.2 The overlap b of the frame and sash of steel fireproof windows shall comply with the provisions of Table 5. 5.4.3 When the steel fireproof window is closed, the gap c between the window frame and the window sash shall comply with the provisions of Table 6. 5.5 Fire resistance performance
The fire resistance limits of steel fireproof windows are divided into three levels: A, B, and C. The fire resistance limit of Class A fireproof windows shall not be less than 1.20h, that of Class B shall not be less than 0.90h, and that of Class C shall not be less than 0.60h. 512
Width B
Height A
Allowable deviation
Diagonal
Measured length
Allowable length deviation
Frame and leaf overlap
Gap
Inspection rules
First-class product
First-class product
GB16809—1997
Third-class product
Second-class product
First-class product
First-class product
The inspection of steel fireproof windows is divided into factory inspection and type inspection. 6.1 Factory inspection
6.1.1 The inspection items are 5.2, 5.3 and 5.4 of this standard, and the inspection quantity is 100%. Grade 1
Grade 1
Grade 2
Grade 2
Grade 3
6.1.2 If any of the inspection items fails to meet the standards, it is allowed to be re-inspected after adjustment and repair until it meets the standards. 6.2 Type inspection
6.2.1 The inspection items are all the contents of the technical requirements of this standard. 6.2.2 Type inspection shall be conducted in any of the following cases: a) trial production and finalization of new products or old products when they are transferred to other factories for production; b) after formal production, if there are major changes in the product structure, materials, technology, and processing methods of key processes, which may affect the performance of the product; c) when a major quality accident occurs; d) when the product is stopped for more than one year and then resumes production; e) when the quality supervision agency makes a request, 6.3 Sampling and judgment rules 6.3.1 Random sampling shall be adopted among the products that have passed the factory inspection, and 3 steel fireproof windows shall be selected as samples for sealed samples for inspection 6.3.2 Among the 3 samples, one shall be selected for testing. If it is qualified, it shall be judged as qualified. If the first sample fails, the second sample shall be selected for testing. If it still fails, it shall be judged as unqualified; if the second sample passes, the third sample shall be tested. If it passes, it shall be judged as qualified, and if it fails, it shall be judged as unqualified.
7 Test methods
7.1 Materials and accessories
7.1.1 The fireproof glass used for steel fireproof windows shall have a qualified inspection report certified by the national fire protection product testing agency, and other materials and accessories shall have a factory certificate and a warranty from the manufacturer. 7.1.2 The combustion performance of the sealing material used for steel fireproof windows shall be tested in accordance with the provisions of GB8625 or GB5464. 513
7.2 Appearance quality
GB 16809—1997
The appearance quality of steel fireproof windows shall meet the requirements of 5.3 of this standard and shall be inspected by visual inspection and manual test. 7.3 Dimensions
7.3.1 The width and height allowable deviations of the steel fireproof window frame shall meet the requirements of 5.4.1.1 of this standard and shall be measured with a steel tape measure with an accuracy of not less than 1mm, and the measurement position shall be 50 to 100mm from the end. 7.3.2 The allowable length deviation of the two diagonal lines of the steel fireproof window frame shall meet the requirements of 5.4.1.2 of this standard and be measured with a steel tape measure or special measuring tool with an accuracy of not less than 1mm, and the measurement position is the inner corner. 7.4 The overlap b of the frame and sash of the steel fireproof window shall meet the requirements of 5.4.2 of this standard and be measured with a depth gauge or caliper with an accuracy of not less than 1mm.
7.5 The gap c between the steel fireproof window frame and the sash shall meet the requirements of 5.4.3 of this standard and be measured with a depth gauge or caliper with an accuracy of not less than 0.1mm feeler gauge or other special tools are used for measurement. The measurement position is the midpoint of both sides and the upper and lower sides of the window sash when the steel fireproof window is closed. 7.6 Fire resistance limit
The fire resistance performance of steel fireproof windows shall be tested in accordance with the provisions of GB7633. During the test, no temperature measurement points shall be arranged on the window frame of the tested steel fireproof windows.
8 Marking, packaging, transportation, storage
8.1 Marking
The trademark, name, specification model, fire resistance limit, manufacturer name and factory date shall be marked in a conspicuous position on each factory product.
8.2 Packaging and transportation
The packaging and transportation of steel fireproof window products shall comply with the provisions of GB6388 and shall avoid collision to prevent scratches and damage to the glass. 8.3 Storage
Steel fireproof window products shall be stored vertically in a dry and ventilated warehouse, and shall avoid contact with corrosive substances and storage in an environment with corrosive gases.
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