How to distinguish true and false fire doors

2022-07-22
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The fire prevention experts of Taiyuan fire brigade remind that the quality of fire doors is important, and the installation quality can't be ignored: for example, the movable gap between the door leaf and the lower frame of the door or the ground can't be too large, and more than 9 mm will affect the effect of smoke and fire prevention of the fire doors; For steel door frames, cement mortar should also be poured into the door frame. Knock on the door frame and listen to the sound to know whether the cement slurry is filled

fire doors are effective equipment to block the spread of fire. However, if you buy fake and inferior fire doors, once an accident occurs, the consequences will be unimaginable. How to distinguish true and false fire doors

the reporter learned from the provincial and municipal fire departments on the 7th that in daily life, there are “ 4 Tips: First, check whether the fire door has a certificate and inspection report. The certificate is the product type approval certificate issued by the fire product conformity assessment center of the Ministry of public security, and whether the inspection report is issued by the national fixed fire extinguishing system and fire resistant component quality supervision and inspection center or the National Fire building material quality supervision and inspection center; Second, check whether the fire door is pasted with red (the middle is a large black “ s”) Identification of; Third, check whether the fire door has a product nameplate. The name of the manufacturer on the nameplate should be consistent with the certificate and inspection report. The product name should clearly indicate that it is a fire door product; Fourth, check whether the door closers, fire locks and other accessories of the fire doors are complete, and whether the fire doors are pasted with fire seals

the fire prevention experts of Taiyuan fire brigade remind that the quality of fire doors is important, and the installation quality can not be ignored: for example, the movable gap between the door leaf and the lower frame of the door or the ground cannot be too large, and more than 9 mm will affect the smoke and fire prevention effect of the fire doors; For steel door frames, cement mortar should also be poured into the door frame. Knock on the door frame and listen to the sound to know whether the cement slurry is filled

in addition, for the wooden door frame, there should be no gap between the frame and the wall or column, and the gap should also be filled with cement mortar. Because the wood used in the door frame should be treated with flame retardant, you can simply check whether the wood has been treated with flame retardant with a lighter. Cut a small strip of sawdust from the surface of the door frame and light it with a lighter. If the fire goes out immediately after the lighter is removed, the wood has been flame retardant treated; If the sawdust continues to burn, the wood has not been flame retardant treated

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