How to choose Henan fire door with good quality? Only the brand quality is excellent, can the fire door material reach a high strength and durable scale, or reach a high strength and airtight condition at the same time of fire prevention characteristics, or reach a difficult deformation quality under tropical burns, so as to eliminate the need for fire prevention. supply Fire 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. Fire door direct deal 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 fireproof door is generally set in 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) Inspection doors of vertical pipe shafts such as cable shafts, pipe shafts, smoke exhaust ducts, garbage ducts, etc. Henan fire door (3) divides the fire compartment, controls the fire wall and the door on the fire partition of the building area of the compartment. supply Fire door 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. (4) Code (such as GB50016-2014 Code for Fire Protection Design of Buildings) or partition door with special requirements for fire and smoke prevention. 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. Fire door direct deal 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. Fire and burglar proof doors are often used as household doors in high-rise and high-grade residential buildings. GB 12955-2008 Requirements for Fire Resistance of Fire Doors Fire doors are an important part of fire fighting equipment and an important part of social fire prevention. Fire doors should be equipped with fire door closers or door closers that allow normally open fire doors to automatically close the door leaves in case of fire (except for special parts, such as pipeline shaft doors, etc.). That is to say, except for some special parts, such as pipeline well doors, which do not need to install door closers, other parts need to install fire door closers.

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. supply 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. 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.

The introduction of Henan fire rolling shutter door is a kind of fire prevention and heat insulation facilities suitable for large openings of buildings. The product has played a certain role in the design and installation of technology. supply Fire door Fire resistant rolling shutter doors are widely used in the fire partition area of industrial and civil buildings, which can effectively prevent the spread of fire and ensure the safety of life and property. They are indispensable fire prevention facilities in modern buildings. Installation requirements and instructions for fire shutter door 1. The upper part of the opening where the shutter door is installed shall not be equipped with ventilation pipes, water pipes, etc; 2. After the roller shutter door is installed, install the suspended ceiling. The edge of the suspended ceiling should be 50mm away from the curtain plate to avoid friction; 3. During commissioning and use, it is strictly prohibited to stand at the bottom. Fire door direct deal Electrical facilities shall not be removed without authorization; 4. According to the fire management regulations, the chain lubricating oil of the starting motor must not be missed during the routine fire safety inspection every quarter, which is also an important part of the omission of many property management units or fire protection units during the inspection.

Precautions for Henan fire doors There are many types of fire doors, such as glazed fire doors, stainless steel fire doors, and ordinary steel fire doors. However, the installation methods are basically the same, depending on the site conditions. Some common installation parameters must be noted. 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. 4、 When installing the fire door, it should be aligned and hoisted. After the size is appropriate, it should be temporarily fixed, corrected and adjusted. The connection and anchorage can be carried out after there is no error. 5、 The sliding door shall be flexible after installation; The side hung door is easy to open and tight and firm to close. 6、 Door closers must be installed on fire doors, and sequencers must be installed on opposite doors. 7、 Hardware accessories such as handle and fire lock on the fire door must be complete; 8、 It is required that the clearance from the ground plane shall not be greater than 5mm. Henan fire door steel fire door is moderate in price, but it is heavy, hard to open, monotonous in style, and not beautiful enough, so it is mostly used in industrial buildings and general grade civil buildings, or parts of buildings that have low aesthetic requirements and low pedestrian flow at ordinary times (such as machine rooms, garages, etc.). supply Fire door On the contrary, wood fire doors have light deadweight, flexible opening and closing, good decorative appearance and many patterns, but their prices are high, and they are mostly used in middle and high grade civil buildings or important occasions in buildings. Generally, the applicable size of large opening for each fireproof door is about 3.3m high, 1.1m wide for single leaf and 3.0m wide for double leaf. In engineering design, in addition to setting fire doors in strict accordance with the occasions, positions, widths, grades and opening directions required by the specifications, attention should also be paid to the fact that fire doors are generally set on the evacuation path (such as stairwells, antechambers, walkways, etc.), and that a little carelessness in the design of building plane details may cause the door leaf to block the evacuation path and reduce its effective width after opening, Violation of basic requirements for personnel evacuation. Fire door direct deal This phenomenon is particularly prominent at the turning point of the evacuation path and in high-rise residential buildings, which should be paid attention to and avoided.