How to choose Henan fire door with good quality? Only the brand quality is excellent, can the fire door material reach the high strength durability scale, or reach the high strength sealing condition while having the fire prevention characteristics, or reach the difficult deformation quality under the tropical burn, so as to eliminate the need for fire prevention. high quality Class A fireproof door In terms of material selection, it is also advisable to adopt wood and steel materials, and fire door body made of pure materials. The price of different materials is different, and it is possible to reach the standard with both fire prevention talents. Therefore, only manufacturers with strong brand advantages can reach a comfortable level in terms of quality conditions of fire doors, and may adopt high-quality and inexpensive fire doors. Fire doors are divided into wooden fire doors and steel fire doors in shopping malls. Some consumers have a misunderstanding that the fire resistance effect of wooden fire doors will be poor rather than steel. It is necessary to change this poor idea as soon as possible. Only wooden fire doors can pass good fire resistance treatment. Class A fireproof door Price Its flame retardant effect will be no less than that of steel fire doors. The appearance of wooden fire doors is more elegant than that of steel doors. The assembly is convenient, not to mention the existing flame retardant effect and the elegant use of decorations.

Henan fire rolling shutter door is generally installed in the place determined by the process. In addition to the firewall, the fire rolling shutter door should be installed in the two fire compartments where there is no firewall. It is generally located at the following parts. (1) Close the evacuation staircase to the walkway; Enclose the elevator hall, the door leading to the front room and the front room leading to the walkway. (2) Divide the fire compartment and control the fire wall and the door on the fire partition in the building area of the compartment. When it is difficult to set firewall or fire door in the building, fire rolling shutter door shall be used instead, and water curtain shall be used for protection. (3) Code (such as GB50045-95 Code for Fire Protection Design of High rise Civil Buildings) or partition door with special requirements for fire and smoke prevention. high quality Class A fireproof door For example, the partition doors of equipment rooms (cylinder rooms, foam stations, etc.) attached with fixed fire extinguishing devices in high-rise civil buildings, ventilation, air conditioning rooms, etc. should be Class A fireproof doors; The door on the partition wall of the basement room where people often stay or there are many combustibles shall be Class A fireproof door; Due to limited conditions, it is necessary to arrange oil fired and gas-fired boilers, oil immersed power transformers, high voltage capacitors and switches filled with oil, etc. in high-rise buildings. The doors on the partition walls of special rooms should be Class A fireproof doors. There are also household doors with special requirements that must be fireproof, such as fire control command center, archives room, valuables warehouse, etc., which usually use Class A or Class B fireproof doors. Class A fireproof door Price The limited area of Henan fire shutter door special grade fire shutter In the use of special grade fire shutter, because it is mainly used in the rapid formation of fire separation areas, and is mostly set in applications with large space, as a visible fire separation device, generally in the production of fire shutter, fire shutter will be painted with a more striking color, It can not only make the fireproof rolling shutter have a better decorative effect after being folded, but also can remind people of the escape route in fire accidents through eye-catching and penetrating colors in the fire compartment, so as to buy time for effective escape.

The function effect of Henan fireproof rolling shutter door The fireproof rolling shutter door is based on the steel rolling shutter, the transmission parts are modified, equipped with fireproof electrical appliances and other equipment, so as to achieve the fireproof function: the fireproof motor is controlled by the fireproof electric cabinet, and the roller is driven by the speed change device to make the rolling shutter door open and close. In case of power failure, the manual handle on the fireproof motor can also be used to achieve manual operation. high quality Class A fireproof door At the relative movement of the machinery, the coupling is used to replace the sprocket drive, and the friction in the track is inlaid with copper plate or nylon. Class A fireproof door Price It is suitable for the use or storage of combustible gases, volatile chemicals and other high ignition materials in factories and warehouses where there is or may be an explosion of fire hazards. 1. The integrated bus is used internally, and the data transmission is reliable and fast. 2. It has the functions of phase sequence automatic detection, correction and phase loss protection. The standby power of main power supply can be switched automatically (with standby power). 3. With rich reserved interfaces, it can be linked with the fire control center. 4. All electronic learning and memory limit, no matter the upper limit or lower limit positioning will never change. 5. It adopts advanced microcomputer processor technology, which is stable and reliable, without upper limit height range 6. It has smoke and temperature sensing signal synchronization and step by step detection function. 7. The setting of operating parameters is simple, convenient and accurate. 8. It has the function of manual priority escape. In case of three-phase power or main power failure, the controller can automatically lower the roller shutter through the quick release device to close the roller shutter.

The installation of Henan fire rolling shutter door is prone to some problems. One problem is the strength of the transmission device of the fire rolling shutter door. The strength of the roller shutter shaft is also an important parameter of the roller shutter door. At present, there are many unqualified products with this strength, The structure of the roller shutter shaft that seriously affects the use of the fire shutter door mainly refers to the depth of the roller shutter shaft and the shaft heads at both ends plugged into the steel pipe and the depth of the structural shaft head plugged into the steel pipe should be about 110 of the shaft length, and there should be two flanges and enough welds. high quality Class A fireproof door The second problem is the depth of the guide rail. If the depth of the guide rail is not enough and the structure and materials are improper, once encountering a fire, the door curtain is easy to detach from the guide rail and cannot play a role in fire prevention. Class A fireproof door Price The third problem is the pre rolling of the fire rolling shutter door. The fire rolling shutter door, especially the steel fire rolling shutter door, is relatively heavy, so a circle of pre rolling will be reserved on the reel to reduce the tension of the curtain weight on the screws. Prevent a curtain from cracking.

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.

Henan fire door is an important part of fire fighting equipment. Fire door is an important part of fire fighting equipment and an important part of social fire prevention. Therefore, the quality and use of fire door is the key to the success of fire prevention. high quality Class A fireproof door The fire resistance limit of Class C fireproof door is 0.6h) 1. The inspection door on the wall of equipment tube well, ventilation duct and garbage duct shall be Class C fireproof door. 2. The front door of the garbage way shall be Class C fireproof door. 3. When the cable shaft and pipe shaft are set in the front room of the smoke proof staircase and the shared front room, the inspection door on the shaft wall shall be Class C fireproof door. 4. The door connecting the substation and distribution substation should be Class C fireproof door. The door directly leading to the outdoor of the substation shall be Class C fireproof door. 5. The cable well and pipe well shall be separated from each other every 2~3 floors by incombustible materials equivalent to the fire resistance limit of the floor. The inspection door on the shaft wall shall be Class C fire door. 6. The garbage hopper shall be made of incombustible and corrosion-resistant materials and can be closed and sealed by itself; Garbage hoppers of high-rise buildings and super high-rise buildings shall be located in the front room of the garbage chute, which shall be equipped with Class C fireproof doors. 7. The telecommunication room shall adopt outward opening Class C fireproof door with a width of more than 0.7m. 8. The oxygen busbar room with the oxygen delivery capacity not exceeding 60m3/h can be set in the user's workshop with the fire resistance rating not lower than Grade III and close to the external wall. The wall with the height of 2.5m and the fire resistance rating not lower than 1.5h and the Grade C fire door should be used to separate it from other parts of the workshop. 9. The partition wall of the collection warehouse and exhibition room shall be non combustible. The compartments in the fire compartment shall be separated by partition walls with a fire resistance rating of not less than 3h and Class B fire doors. The enclosure structure of closed shaft shall be non combustible and Class C fireproof door. 10. The fire resistance limit of partition walls between production rooms with explosion risk shall not be less than 1.5h. Class A fireproof door Price The door is Class C fireproof door. 11. When the oxygen generation station building or liquid oxygen gasification station building and oxygen filling station building are arranged in the same building, the noncombustible partition wall with a fire resistance rating of not less than 1.5h and Class C fire door shall be used, and they shall be connected through the walkway. 12. The doors on the partition walls between the oxygen compressor room and the bottle filling room, as well as the purification room, the oxygen storage bag room, the oxygen storage tank room, the liquid oxygen storage tank room and other rooms shall be Class C fireproof doors.