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. high quality Fire door 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. Fire door direct deal 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%.

What problems should be paid attention to during the installation of Henan fire door? Henan fire door manufacturers should know that the use performance of fire doors comes from the quality problems of the fire doors themselves on the one hand, and the installation of fire doors on the other hand. If the fire doors are not installed according to the relevant standards, then their fire performance may be affected in the use process. high quality Fire door Here are some precautions for installation. 1. When installing door frames and leaves, attention shall be paid to the opening direction of the door, which must be opened in the direction of evacuation. 2. Stealing work and materials is strictly prohibited. Some construction units speed up construction. There are serious problems of cutting work and materials when installing fire doors. Some do not install door closers or sequencers; Some fire doors should be equipped with 3 hinges, and they only have 2 or 1 hinge; Some fireproof door hinges with 4 screw holes are only installed with 2 screws, reducing the fixing strength; Some even install non fireproof hardware fittings and door locks; Some do not install fireproof sealing strips; Some fireproof doors are equipped with ordinary glass or fireproof glass that exceeds the specified area, etc. It is important to know that these jerry building will be reflected in the use of fireproof doors later. Fire door direct deal Fire doors have special functions of fire prevention, smoke separation, fire spread suppression and evacuation protection, so they should have good airtightness. Therefore, attention should be paid to some details or sealing problems during installation.

How to choose Henan fire doors with good quality and low price as ordinary home decoration users, how to use fire doors with fire prevention characteristics and anti-theft talents, and perhaps in line with the decoration style of the hall, and to reach higher quality, through the appropriate price, may be won in the estimation. They are all manufacturers that need to use and meet the national quality standards. Only when the brand quality is excellent, can the material of the fire door body reach a high strength and durable scale, or reach a high strength and airtight condition while having fire prevention characteristics, or reach a difficult deformation quality under tropical burns, so as to eliminate the need for fire prevention. high quality Fire door In terms of materials, it is also advisable to use wood materials and steel materials, and fire doors made of pure materials. The price of different materials is different, and it is possible to reach the national standard with both fire prevention talents. Therefore, only manufacturers with strong brands can reach a comfortable level in terms of quality conditions of fire doors, and may use fire doors with good quality and low price. Fire door direct deal The fire door should be protected regularly. In addition to handling the dust to send some bearing parts for oiling, it should also be opened at regular intervals to ensure its normal use.

What is the difference between the normally open and normally closed fire doors of Henan fire doors? The differences between the normally open and normally closed fire doors are as follows: 1. Different meanings. The normally open fire doors are usually open, and they are automatically closed by the control system only in case of fire. It is generally used in the passage or corridor of public places. high quality Fire door Normally closed fire doors are closed under normal conditions and in case of fire, and need to be pushed open when someone walks around, so as to prevent smoke and fire and prevent the spread of fire. 2. The price is different, and the price of the normally open fire door is higher, and the system is strong. The price of normally closed fire doors is relatively low. Henan fireproof doors and windows 3. The composition is different. The normally open fireproof door consists of door leaf, door frame, door closer, sealing strip, release switch and other parts. The normally closed fireproof door is equipped with sequencer in addition to the above parts. 4. The control mode is different. The normally open fire door is controlled by the fire door release switch. The normally closed fire door does not need to be set with electric automatic control. It is mainly closed by the door closer and sequencer, that is, mechanical. Precautions for Henan fire door fire door 1. The fire door shall be installed according to the type of fire door used, and the appropriate installation method shall be adopted. 2. The door frame of the fire door can be fixed with the wall by expansion bolts, or iron parts can be embedded at the opening when building the wall, and welded firmly with the door frame connector during installation. 3. No matter what kind of connection mode is used between the door frame and the wall, there should be no less than 3 anchor points on each side, and they should be firmly connected. Henan fireproof doors and windows 4. When installing the fireproof door, it should be aligned and hoisted. After the size is appropriate, it should be temporarily fixed, corrected and adjusted, and then it can be connected and anchored. 5. The sliding door shall be flexible after installation; The side hung door is easy to open and tight and firm to close. Fire door direct deal Henan fireproof doors and windows 6. Door closers must be installed on fireproof doors, and sequencers must be installed on opposite doors. 7. The handle, fire lock and other hardware accessories on the fire door must be complete. 8. It is required that the clearance from the ground plane shall not be greater than 5mm.

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. high quality Fire 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 door direct deal Stainless steel welding rod shall be used when stainless steel guide rail is used.