- product name:
Double-leaf steel fire door
- Fire resistance grade: Grade A, B, C
- Material: Galvanized steel
- Filler: refractory (such as perlite)
Product features of double leaf steel fire door:The double steel fire door is divided by two doors. The width of the door is generally above 1.2 or 1.5 meters. There is no bright light and no window. The structure design is reasonable. It is beautiful and elegant. At the same time, it has a certain anti-theft effect and is widely used in various industrial buildings, such as computer rooms, power distribution rooms, industrial workshops and other places where steel fire doors are required.
Product description of double leaf steel fire door:The steel fire door adopts high-quality galvanized steel sheet, and the door body is filled with heat-resistant and refractory materials. The workmanship is exquisite, and the product quality reaches the national standard of GB12955-2008 fire door. The product has good heat insulation, fire resistance stability and integrity. Equipped with the national fire testing agency qualified hardware accessories. The surface is painted with paint and colors are available. The size of the door body can be tailored according to user needs, fully respecting the wishes of users.
Components of a double steel fire door:The whole set of steel fire door is composed of door frame, door leaf, fire lock, fire door closer, fire hinge, fire latch, fire seal and sequencer (optional). According to the need, it is also possible to inlay and install Class A composite fireproof glass on the opening of the door leaf to make fireproof viewing windows, and install Class A composite fireproof glass on the upper part of the door frame to make fireproof bright windows.
Classification and grade of steel fire doors:Steel fire doors are divided into single fire door, double fire door, single fire door with glass, double fire door with glass, single fire door with bright window, double fire door with bright window, single fan There are eight types of fire doors with glass and bright windows and double-leaf fire doors with glass and bright windows. Doors with a width of 1-1.2 meters can be made into child-type fire doors. According to the fire resistance limit, it is divided into three grades A, B, and C. The required fire resistance time is 1.5h for steel A fire door, 1.0h for steel B fire door, and 0.5h for steel C fire door.
Steel fire door use parts:Products are mainly used in basements, external evacuation stairs, power equipment rooms, elevator control rooms, machine rooms, industrial buildings, etc.
Second, purchase notice
Due to the different materials and specifications of various doors, the specific data confirmed with our customer service shall prevail! In addition, due to many product styles and colors, please contact customer service for more product styles!
Fire doors are particularly important as the first level of home fire protection , but when you buy a poor quality fire door, the fire door no longer fires. What should you do? Some unscrupulous manufacturers use honeycomb paper as a substitute for fire-resistant filling materials, which is cheap and does not play a fire-proof role at all. This is a joke in our lives. When we buy, the hardware accessories must also be fire-resistant hardware accessories.
There are five major ways to buy quality fire doors:
The first measure is to check the appearance . The high-quality steel \ fire door is firmly welded, and the welding points are evenly distributed. The outer surface is sprayed flat and smooth. The product mark, quality inspection qualified mark and quality certification (approval) qualified mark should be displayed at the specified position. The appearance of a qualified wooden fire door should be complete, without damage, with a clean surface, without planing marks, burrs, and hammer marks; cut corners and seams should be tight and smooth.
The second measure is the number . The overall dimensions of the qualified product should be less than or equal to the dimensions in the sample description. The thickness of the door leaf should be greater than or equal to the thickness of the door leaf in the sample description. The overall dimensions of the fire-resistant glass shall be less than or equal to the outer dimensions of the fire-resistant glass as described in the sample description, and the thickness of the fire-resistant glass shall be greater than or equal to the thickness of the fire-resistant glass as described in the sample description.
The third measure is to look at the seals . Fireproof seals should be provided for qualified steel and wooden fire doors. The seals should be straight, without arches, and have a qualified test report issued by a national testing agency.
The fourth measure is to estimate the weight . Fire doors with qualified quality are generally heavier, while those with very light fire doors must be of inferior quality.
The fifth measure is to check the certificate . The fire door is a product that is included in the type approval system. Before the product is sold, it needs to undergo a type inspection. The general type inspection report details the specifications, dimensions, composition, materials, and photos of the product. The type inspection report should be obtained from the manufacturer when the actual purchase.
Authoritative test certificate / report
Four or three production bases (Cangzhou branch, Wangdu branch, Baoding branch)
V. Engineering Cases
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