Henan fire door selection method Fire door is particularly important as a family fire protection, but when you buy low-quality fire door, the fire door is no longer fireproof, what should you do? The fire department of our city investigated and destroyed a batch of inferior fire doors with honeycomb paper instead of fireproof filler materials. Here, the firefighters introduced some tips on how to select and purchase high-quality fire doors. According to the regulations, steel and wood fire doors can be divided into Class A, Class B and Class C according to the fire resistance limit. The fire resistance limit requirements are 90 minutes, 60 minutes and 30 minutes respectively. In addition, the wood used to make wood fire doors needs drying and flame retardant treatment, and the hardware used must also be fire hardware. major Stainless steel fire door There are five ways to choose high-quality fire doors: one is to check the appearance, high-quality steel fire doors are firmly welded, and the welding spots are evenly distributed; The external surface shall be sprayed flat and smooth; There shall be product mark, quality inspection mark and quality certification (approval) mark at the specified position. Stainless steel fire door direct deal The qualified wooden fireproof door shall be intact without damage, and the surface shall be clean without plane marks, burrs and hammer marks; Corner cutting and butt joint shall be tight and flat. The second way is to check the figures. The overall dimensions of qualified products should be less than or equal to the overall dimensions in the sample description, the door leaf thickness should be greater than or equal to the door leaf thickness in the sample description, the door frame sidewall width should be greater than or equal to the door frame sidewall width in the sample description, and the overall dimensions of fire-resistant glass should be less than or equal to the overall dimensions of fire-resistant glass in the sample description, The thickness of fireproof glass shall be equal to or greater than the thickness of fireproof glass in the sample description.

Do you know these characteristics of Henan fire rolling shutter door? Fire rolling shutter door is a rolling shutter door used to prevent the spread of fire. It is obviously different from ordinary rolling shutter door. There are also some characteristics that few people know. The manufacturer of fire rolling shutter door will tell you. major Stainless steel fire door First of all, the data transmission of the fireproof rolling shutter door is very fast and reliable. Yes, the fireproof rolling shutter door is not the kind of rolling shutter door that can only rise and fall as we see in the street shops. The manufacturer of the fireproof rolling shutter door has installed an integrated bus inside it, so that data can be transmitted. After receiving the fire information, the rolling shutter will immediately conduct automatic information processing and take emergency fire prevention measures. Henan fireproof rolling shutter door Secondly, the fireproof rolling shutter door has standby power supply. In case of a fire, the common power supply is cut off, and the standby power supply can still be opened normally, so as to ensure the lifting of the fireproof rolling shutter door, avoid the danger caused by emergencies, and effectively improve the safety factor. Henan fire shutter door Again, the manufacturer of fire shutter door has installed smoke and temperature sensing devices and equipment for it. Once a fire occurs, the device can quickly distinguish and detect, give an alarm and take fire prevention measures to remind people to control and defend, and reduce safety risks. Stainless steel fire door direct deal In addition, Henan fire rolling shutter door also has a manual operation device. Generally, the fire rolling shutter door is controlled by the power supply, but in the event of a fire and the power supply is cut off, the controller can automatically identify and quickly drop manually to play the role of fire protection.

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. major Stainless steel fire 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. Stainless steel fire door direct deal 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 indoor point to the evacuation door] or emergency exit shall not be more than 30 m.

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. major Stainless steel fire 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. Stainless steel fire door direct deal According to the fire resistance limit, there are Class A fire doors, Class B fire doors and Class C fire doors.