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In many public places, we often see fire doors. Usually, inside the fire door is a fire control room, which contains A variety of fire-fighting equipment is placed to prepare for emergencies such as fires. So what are the regulatory requirements for fire doors? This article will introduce them to you. \r\nWhat are the specifications and requirements for fire doors\r\n1. Because fire doors are Class A fire doors, the fire resistance limit must be at least 1.5 hours. They should be opened in the direction of the evacuation exit, and obvious signs should be set at the entrance. \r\n2. Fire doors must be tightly closed, flexible in opening and closing, without deformation or inversion, have good sound insulation effect, and have sensitive automatic closing. \r\n3. The fire door must have complete accessories, be firmly installed, be in the correct position, and be flexible in opening and closing. \r\n4. The surface of a fire door with excellent quality should be smooth, clean, without pits, rust, and the surface paint color should be uniform. \r\nKey points for purchasing fire doors\r\n1. Look at the building\r\nThere are many types of fire doors. Among them, steel fire doors are moderately priced, but they are more laborious to open and have different styles. It is monotonous and lacks aesthetics, so it is often used in industrial buildings and general-grade civil buildings, with a wide range of application environments. Wooden fire doors are light in weight and easier to open, and are often used in mid- to high-end civil buildings. \r\n2. Look at the sign\r\nEach fire door should have a permanent sign in a prominent position. At the same time, the sign should state the following contents: product name, model specifications and trademark, manufacturer name, production The manufacturer's address, date of manufacture and product production batch number; implementation standards, etc. \r\n\r\n3. Check the appearance\r\nWhen we choose wooden fire doors, we first need to check whether the cut corners and seams are smooth. The surface should be polished or sanded. At the same time, the wooden fire doors The coating needs to be flat and smooth. The appearance of national steel fire doors needs to be flat and smooth, the joints should be firmly cut, and the seams should be tight and smooth. \r\nThis introduction about the specifications and requirements for fire doors, I hope it can give everyone a certain understanding of fire doors, so that everyone can have a safe indoor space.

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