Fire-proof glass door Specification Standard: fire resistance limit
Fire doors whose glass area exceeds 30% of the door leaf are called glass insulated fire doors. According to the requirements of Fire Resistance time limit, fire-proof glass doors are divided into Class A and Class B, the fire resistance time limit of Class A is 1.5h, and the fire resistance limit of Class B fire-proof glass doors is 1h.
Fire-proof glass door Specification Standard: Size
There is no fixed specification for fire-proof glass doors, which are usually customized according to the size of reserved door openings. Here are some restrictions on the size of fire-proof glass doors adopted by the industry and qualification formulation department in regular cases. According to the width and height of door body, the doors are divided into single fan, double fan and child and mother fan, and the specifications for installing fire doors and relevant documents are required. The width of single door is up to 1000mm, and the width of double fan is up to 2100mm, the child and mother type is generally about 1200mm, and the maximum size is 2300mm in height according to the requirements of Document No. 70 of the 2013 public evaluation.
Fire-proof glass door Specification Standard: Material
The door frame of fire-proof glass door should adopt sealing groove, inside the groove should be embedded with sealing strip made of non-combustible material, and the fire-proof glass with different fire-proof limits should be equipped with fire-proof glass of different fire-proof levels for the glass fire-proof door, and aluminum silicate fiberboard should be used to pad around the glass, the melting temperature of the lock, hinge, latch and other hardware accessories on the fire-proof glass door shall not be lower than 950℃, and the two-way spring shall not be used when it is installed on the hinge of the door leaf.
Fire-proof glass door Specification Standard: thickness
The thickness of Grade A fire protection glass door panel is 1.5mm, the door leaf panel is 1.2mm a steel witness plate of thickness, the reinforcement is 1.5mm a steel witness plate of thickness, the reinforcement is provided with spiral, and the thickness of the steel plate is not less than 3mm.
Fire-proof glass doors can be divided into steel fire-proof glass doors and wooden fire-proof glass doors in material, and there are two kinds of single-open and double-open doors in the market nowadays, moreover, fire-proof glass doors are fire-proof doors made of glass and stainless steel as long as they are made of imported or domestic high-quality cold-rolled steel plates, galvanized steel plates or stainless steel plates.
The interior of the fire door glass door is filled with high-quality aluminum silicate Cellucotton with temperature resistance above 1200℃, and the surface is also sprayed with static electricity. The matching with the fire door is stainless steel fireproof lock or tube well lock, steel galvanized or stainless steel fire hinge.
The fire resistance limit of fire-proof glass door is divided into Class A, Class B and Class C (1.2h, 0.9h and 0.6h respectively), and it also has good personality effect, grade C fire door glass door anacoustic index is RW ≥ 23dB, fire glass door also has good decoration effect, with beautiful, firm and durable characteristics.
The specifications of fire-proof glass doors mainly include that the doors and frames of fire-proof glass doors should be filled with non-natural filling materials, and cold-rolled steel sheet should be adopted for door frames, door leaf panels and other reinforcement components, the thickness of the door panel of Grade A fireproof glass door is 1.5mm, the door panel adopts 1.2mm steel plate, the reinforcement adopts 1.5mm steel plate, and the reinforcement also has a spiral, the thickness of the steel plate shall not be less than 3.0mm.
The door frame of fire-proof glass door should adopt sealing groove, inside the groove should be embedded with sealing strip made of non-combustible material, and the fire-proof glass of glass fire-proof door should be configured with different fire-proof limits according to the fire-proof level, around the glass, aluminum silicate fiberboard pads should be used. Hardware accessories such as locks, hinges, latches, etc. on the fire-proof glass door should be installed on the hinge on the door at a melting temperature of not less than 950 ℃, two-way springs are not allowed.
