Fire protection requirements for fire doors of refuge

There are many products in the fire door market. What kind of products are qualified? Here are some examples:

1. Filling material: the filling material must meet the requirements of combustion performance A1 specified in GB8624-2006. At the same time, it meets the requirements of smoke toxicity hazard classification ZA2 specified in GB/T20285-2006.

2. Material thickness: door leaf material shall be no less than 0.8mm, door panel material shall be no less than 0.8mm, door frame plate shall be no less than 1.2mm, hinge plate shall be no less than 3.0mm, reinforcement without screw holes shall be no less than 1.2mm, and reinforcement with screw holes shall be no less than 3.00mm.

3. The adhesive shall meet the requirements of smoke toxicity hazard classification ZA2 specified in GB/T20285-2006.

4. Dimensional deviation: the height of the door leaf shall not exceed 2mm, the width of the door leaf shall not exceed 2mm, the thickness of the door leaf shall be between - 1mm and+2mm, the height of the cutting opening in the door frame shall not exceed 3mm, the width of the cutting opening in the door frame shall not exceed 2mm, and the width of the side wall of the door frame shall not exceed 2mm

5. Form and position tolerance: the length difference between the two diagonals of the door leaf is less than or equal to 3mm, the distortion of the door leaf is less than or equal to 5mm, the curvature of the door leaf in the direction of width is less than 2%, the curvature of the door leaf in the direction of height is less than 2%, and the length difference between the two diagonals of the inner clipping opening is less than or equal to 3mm.

6. Fit tolerance: the overlap size between Manshan and the door frame is less than or equal to 12mm, the fit clearance between the door leaf and the door frame at the hinge side shall not be greater than the size tolerance specified in the design drawing, and the fit clearance between the door leaf and the door frame at the lock side shall not be greater than the size tolerance specified in the design drawing. The clearance between the door leaf and the upper frame shall be less than or equal to 3mm, the clearance between the double leaf and multi leaf door leaves shall be less than or equal to 3mm, the clearance between the door leaf and the lower frame or the ground shall be less than or equal to 9mm, the clearance between the binding surface of the door leaf and the side of the door frame with hinges shall be less than or equal to 3mm, the clearance between the binding surface of the door leaf and the side of the door frame with locks shall be less than or equal to 3mm, and the clearance between the binding surface of the door leaf and the upper frame of the door frame shall be less than or equal to 3mm, The plane height difference between the door frame and the door leaf is less than or equal to 1mm.