
The classification and function of Henan fire rolling shutter door The fire rolling shutter door plays the same role as the firewall in horizontal fire separation. It is composed of 13 parts, such as shutter, base plate, guide rail, support, reel, box, control box, door roller, limiter, door header, manual quick release switch device, button switch and safety device, It is generally installed at the position that is inconvenient to be separated by firewall. high quality Class A fireproof door For example, open elevator halls, escalators, wide business halls of department stores, exhibition halls of exhibition buildings, and parts of buildings with large openings that cannot use fireproof doors and windows. Fire resisting rolling shutter door has been widely used in building engineering to make fire separation. Class A fireproof door Price Fire resisting rolling shutter door is an indispensable fire prevention facility in modern high-rise buildings. In addition to the function of ordinary door, fire resisting door has special functions of fire prevention, smoke separation, suppression of fire spread, and protection of personnel evacuation. It is widely used in high-rise buildings, large shopping malls and other crowded venues. Classified fire rolling shutter doors mainly include composite steel fire rolling shutter (fire and smoke prevention), inorganic super grade fire rolling shutter (double track double shutter), steel composite water spray steam fog fire rolling shutter, steel composite lateral fire rolling shutter, steel composite horizontal fire rolling shutter, inorganic super grade folding fire rolling shutter and fire rolling shutter with various doors.

In order to protect life and property in time and effectively in case of fire, the fire door of Henan refuge room adopts double-sided fireproof board according to the fire protection design requirements of high-rise building refuge room, so as to achieve dual internal and external fire prevention treatment. The Class A 1.50h and Class B 1.00h fully meet the fire protection requirements, which can strive for greater rescue opportunities for people in case of fire, Make sure there is enough time for rescue. high quality Class A fireproof door The fire door of the refuge room is rarely noticed, but it is related to everyone's life safety. When a fire occurs, the fire protection of the refuge bay i] can play the role of fire isolation, isolating the highly toxic smoke and high temperature outside the refuge bay. Provide shelter for people in high-rise buildings and provide more opportunities for emergency rescue. For residential buildings with a building height of more than 54m, each household shall have a refuge room, and the door of the room shall be straight with Class B fireproof door, and the fire resistance integrity of the external window shall not be less than 1.00h. In terms of the current hardbound house configuration in China, a refuge room will be provided for high-rise buildings above 54 meters- The fire resistance limit of the fire door of the general refuge room is about 1h according to the fire control requirements, so that people can escape into the relatively safe environment of the refuge room within one hour of the fire. In recent years, with the growing development of high-rise buildings, skyscrapers have sprung up, and fire doors in shelters have gradually been recognized. Class A fireproof door Price In order to meet the requirements of high-end buildings for the fire door of refuge room and the surrounding decoration style. Fire doors in shelters are also new. Style panels are more diverse. It is no longer as rigid and dull as the old fire door.

What are the requirements for the width of the door of Henan Refuge Room? According to Article 5.5.32 of the Code for Fire Protection Design of Buildings: for residential buildings with a building height of more than 54m, there should be a room that meets the following requirements: it should be set close to the external wall and should be set with an openable external window; The fire resistance limit of the inner and outer walls should not be less than 1.00h. The [] of the room should adopt the Z-grade fire door, and the fire resistance integrity of the outer window should not be less than 1.00h. high quality Class A fireproof door The total net width of the door, emergency exit, evacuation walkway and evacuation staircase of the residential building with the door of Henan refuge room shall be determined by calculation, and the net width of the door, emergency exit and evacuation staircase shall not be less than 0.90m, and the net width of the evacuation walkway, evacuation staircase and the first floor evacuation shall not be less than 1.10m. The clear width of the evacuation staircase with railings on one side of the residence with a building height of no more than 18m shall not be less than 1.0m. Class A fireproof door Price The relevant requirements of the Code for Fire Protection Design of Buildings stipulate that: 1. For the auditorium, exhibition hall, multi-function hall, restaurant, business hall, etc. with no less than 2 evacuation [] or emergency exits in buildings of Class I and II fire resistance rating, the straight-line distance from any point of the interior to the evacuation door] or the emergency exit shall not be more than 30 m.

The advantages and disadvantages of the products of Henan fire rolling shutter manufacturers The fire rolling shutter is usually located at the poor entrance of the building, which plays a role in fire prevention, heat insulation and smoke dispersion. The fireproof rolling shutter door is a useful time to isolate the fire source when a fire occurs and provide a useful escape for employees. high quality Class A fireproof door However, the inferior fire rolling shutter door will not only not intercept the fire source, but also increase the fire. Therefore, the advantages and disadvantages of the fire rolling shutter door are also quite important. Henan fire rolling shutter door The rolling shutter door will stop landing when landing to the required height, which is to avoid people who have not had time to escape being trapped inside the rolling shutter door. Class A fireproof door Price If the inferior rolling shutter doors were all lowered, the surviving victims would be trapped inside and become unnecessary casualties. Recommended reading: The fire hour and temperature resistance limit of some fire rolling shutter doors are strictly defined in the fire rolling shutter door specification. Therefore, excellent guaranteed fire rolling shutter doors must be used when adopting and purchasing rolling shutter doors.

Placement requirements, maintenance methods and precautions of Henan fire door at ordinary times Maintenance methods and precautions of fire door at ordinary times. high quality Class A fireproof door When the hinge makes abnormal noise, add a few drops of lubricating oil to the hinge shaft. It is strictly prohibited to store together with acid-base substances. The room should be clean, dry and ventilated. 2. Do not pull off the fireproof seal, or it will lose its function in case of fire. Henan fireproof doors and windows cannot be left open for a long time, which will damage the door closer and make it lose its function. Check every three months to ensure that the fixing screws of hinges, door locks and door closers are not loose. 3. It is not allowed to hit the door body with sharp tools and heavy objects to prevent the door body from being sunken, scratched and peeling off the paint film. To prevent the fire door from being hit abnormally, it is not advisable to use excessive force or open the door at an excessive angle. The concealed bolt of the upper and lower fire door shall not protrude when the door is open, so as not to collide with the door frame, deform or fall off and lose its function. 4. Henan fireproof doors and windows shall be protected from outdoor sunshine for a long time to prevent the fireproof door from being heated. Class A fireproof door Price It shall be stored in the room with backup frame and separated from the heat source to avoid thermal deformation. 5. Keep the indoor air circulation and prevent the fire door from frequent damp. After splashing with water, wipe it with dry cloth to avoid local expansion. The fire door closer must be replaced in case of oil leakage.

What are the requirements for the opening direction of the door of Henan Refuge Room? Fire doors play an important role in life. The opening direction of fire doors is very important. The Code for Fire Protection Design of Tall Buildings has clearly stipulated that the stairwell should be opened in the direction of evacuation, such as the stairwell should be opened in the direction of the staircase lobby, so as to facilitate the evacuation of people. high quality Class A fireproof door In addition, the front room is generally a place of refuge and an evacuation passageway. In case of a fire, positive pressure air supply is required. If it is not installed in the above opening direction, the air pressure may open the fire door, causing fire and smoke leakage. 4. Classification 4.1 According to the number of door leaves, there are steel single fire door and steel double fire door. 4.2 According to the door leaf structure, there are steel fire door with glass lining, steel fire door without glass lining, steel fire door with bright window and steel fire door without bright window. Class A fireproof door Price According to the fire resistance limit, there are Class A fire doors, Class B fire doors and Class C fire doors.