Placement requirements, maintenance methods and precautions of Henan fire door at ordinary times Maintenance methods and precautions of fire door at ordinary times. supply Steel fireproof window 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. Steel fireproof window 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 refers to the door that can meet the requirements of fire resistance stability, integrity and heat insulation within a certain period of time. supply Steel fireproof window 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 Economic Affairs of the Ministry of Fire Protection. 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 Economic Affairs are called fire doors. Steel fireproof window 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 use and maintenance of henan fire rolling shutter door henan fire rolling shutter door is a very important fire protection facility for fire compartment and fire partition in public places. supply Steel fireproof window It is also a fire protection product with comprehensive mechanical and electrical performance, so the installed fire shutter should always be kept in normal condition. During the use of Henan fire rolling shutter door, special equipment shall be used and kept by special personnel, and have certain basic knowledge of electricians and machinery. During the operation of fire rolling shutter door, the operator shall not leave the operation site without authorization, and shall pay close attention to the opening and closing conditions and implementation conditions. No one is allowed to stand or walk under the shutter when opening and closing. To prevent travel switch failure, roller shutter stuck, motor blocked and other accidents. The steel fire shutter of fire compartment and fire partition is not frequently used at ordinary times. In case of fire in the area, the shutter should be put into use effectively. The automatic control fire shutter with linkage control and central control center control must be carried out according to a set of control command procedures. Fire rolling shutter door.jpg The basic function of Henan fire rolling shutter door is to prevent fire. This is a new type of material. This material has a very high ignition point, so it is not easy to catch fire. It is also very good in use. We can use it with confidence. Such a product can be liked if it performs so well in terms of fire resistance, and its sales volume has also increased greatly. This product is very good at preventing ultraviolet rays. The temperature is relatively high in summer, and one of these products can prevent ultraviolet rays. The ultraviolet radiation is destructive to human skin, so it seems very important. This product has helped me. This product has some effect on thermal insulation, because this material is relatively thick, so there is no problem in thermal insulation. Steel fireproof window Price We all know that heat preservation is important in winter, and the heat preservation effect of this product can just meet the needs of winter use.

A brief talk on the problems encountered in the fire acceptance of Henan fire rolling shutter door 1. The curtain plate coating falls off and rusts, and the curtain plate has obvious pressure pits, concave convex, and penetrating holes. supply Steel fireproof window The rolling shutter is a complete fire protection product. If the shutter has problems, it will directly affect the fire resistance limit index of the rolling shutter. 2. The guide rail is deformed and the curtain board is stuck or falls unevenly. The fireproof rolling shutter door generally moves along the guide rail. If the guide rail is twisted or broken, the rolling shutter door will not be able to move to the specified position, which will not achieve the effect of fire separation. 3. On the roller shutter, the lower limit fails or the limit line is wrongly connected. Steel fireproof window Price This often happens on the fire roller shutter of the atrium. Because the fire roller shutter of the atrium is sometimes installed outside the walkway of the upper floor, there is no floor under the roller shutter to close it, and a large gap is leaked, so the fire separation of the upper and lower floors cannot be reached.

Can the door of Henan Refuge Room be removed? 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 equipped with an openable external window; The fire resistance limit of the inner and outer walls should not be less than 1.00h. The door of the room should be Class B fireproof door, and the fire resistance integrity of the outer window should not be less than 1.00h. supply Steel fireproof window The total net width of each door, emergency exit, evacuation walkway and evacuation staircase of the residential building shall be determined by calculation, and the net width of the door and emergency exit shall not be less than 0.90m, and the net width of the evacuation walkway, evacuation staircase and the first floor evacuation outer door 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. The relevant requirements of the Code for Fire Protection Design of Henan Refuge Room Door Buildings stipulate that: 1. Evacuation in buildings with Class I and II fire resistance rating] or the linear distance from any point in the auditorium, exhibition hall, multi-function hall, restaurant, business hall, etc. with no less than 2 emergency exits to the nearest evacuation] or the emergency exit shall not be more than 30m. 2. When the evacuation door] cannot directly connect to the outdoor ground or the evacuation staircase, an evacuation corridor with a length of no more than 10m shall be used to connect to the nearest emergency exit. Steel fireproof window Price When the place is equipped with automatic sprinkler system, the safe evacuation distance from any indoor point to the near emergency exit can be increased by 25%.