
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. supply fire resistance steel 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. fire resistance steel 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.

The fireproof performance of Henan fireproof door is strong. With the development of the times, the fireproof door made of a kind of wood has played a role in fire prevention after processing. After the emergence of the fireproof door, it has gradually been applied to engineering and civil construction. supply fire resistance steel door Next, the rolling shutter manufacturer will introduce the excellent fire performance of fire doors! In the high-rise and middle residential buildings, fire performance is very critical. As a related fire prevention function, it is better to have a better performance if the commercial house catches fire after installation. During the main use process, the advantages of performance and related fire prevention are also gradually emerging. As long as the fire protection performance is grasped, it is also critical in the safe passage. The key is to comprehensively grasp the advantages of such a fire door. Henan fire door is mandatory in the construction process for fire doors, because it is a kind of safety protection for the public. The quality of this door is very good, and from the appearance, the main thing is to grasp the relevant technology, to better grasp the advantages of this performance, can be used in many buildings, is to get permission, can be better reflected in this fire function. Because in the installation process, the installation is carried out by the relevant regular work installers. fire resistance steel door Price The operation process is also complex. The emergence of this kind of door industry is almost a unified brand everywhere.

Henan fire door refers to the door that can meet the requirements of fire resistance stability, integrity and heat insulation within a certain period of time. supply fire resistance steel door It is a fire compartment with certain fire resistance, which is located in fire compartment, evacuation staircase, vertical shaft, etc. In addition to the function of ordinary doors, fire doors can also prevent the spread of fire and smoke, which can prevent the spread of fire within a certain period of time and ensure the evacuation of people. Henan fire doors are certified by the Ministry of Economy of the Ministry of Fire Protection of the People's Republic of China. According to the new version of the standard for fire doors GB_12955-2008 implemented on January 1, 2009, those who pass the fire resistance test of fire doors and have obtained the registration certificate and authorized logo issued by the Bureau of Standards and Inspection of the Ministry of Economy are called fire doors. fire resistance steel door Price The fire door defined in the American NFPA and IBC codes is "any combination of fire door leaves, door frames, hardware and other accessories that can jointly provide a certain degree of fire protection at the opening."

The installation and installation of Henan fireproof rolling shutter door requires that the fireproof rolling shutter door is widely used in shopping malls, shopping malls and underground garages, but the specific installation steps should not mention laymen. supply fire resistance steel door Even the fireproof rolling shutter door can not be explained in detail. The following is a detailed description of the installation of Henan fireproof rolling shutter door step by step: step 1: install the guide rail. 1. Determine the installation position of the guide rail on both sides of the fireproof rolling shutter door, set out the guide rail reference line with hammer line, and set out the cross line of the fixing bolt of the guide rail connector. The guide rail is not less than 75cm above the ceiling. 2. Punch the holes for fixing expansion bolts of connectors on the wall column with a percussion drill. The spacing between connectors shall not be more than 600mm, and both ends shall be 100mm away from the guide rail opening. Fix several connecting pieces up and down first, stick the guide rail, correct its verticality and spot weld it, and then repeat the verticality of the guide rail after fixing the guide rail. The verticality of each meter shall not exceed 5mm, and the verticality of the whole length shall not exceed 20mm. The depth of the composite curtain embedded in the guide rail (see GBl4102-2005). 3. Install the rest of the connecting pieces. Spot welding shall be adopted between the connecting piece and the guide rail. The spot welding points between each connecting piece and a guide rail shall not be less than 5 points, and the width of the spot welding shall not be less than 5mm. The welding point shall never be penetrated. fire resistance steel door Price Stainless steel welding rod shall be used when stainless steel guide rail is used.