Top ten brands of fire doors:
With the increasing awareness of people's daily safety, the sales of fire doors are also rising, so fire door manufacturers pay more and more attention to the quality of fire doors. 20 14 ranking of the top ten brands of fire doors gives you a deeper understanding of fire doors:
1, Sheng Qun (1989, China well-known trademark, Zhejiang famous brand, large household supplier, one of the drafting units of national environmental protection standards for door industry, China Shengqun Group Co., Ltd.)
2. General Sain (dedicated to the research and development of steel/wood/steel series fire doors/security doors, one of the top ten fire door brands in China, Zhejiang Sain General Door Industry Co., Ltd.)
3. Xinduo (China well-known trademarks, top ten brands of fire doors, Zhejiang famous trademarks, Zhejiang famous brand products, world famous brands, China export famous brands, China Xinduo Group Co., Ltd.)
4. Yi Rui door industry (China famous trademark, top ten brands of fire doors, national demonstration enterprise of comfortable housing project, national benchmark enterprise of affordable housing, and major household brands under China Superman Group).
5. Spring door industry (China well-known trademark, China's environmental label certification product, Zhejiang famous trademark, Jinhua municipal government quality award, top ten brands of fire doors, China Spring Group Co., Ltd.)
6. Wanjia (China well-known trademark, Zhejiang famous trademark, Zhejiang famous brand products, China top ten fire door brands, large modern group, China Wanjia Group Co., Ltd.)
7. Jinda (China well-known trademark, Zhejiang famous trademark, top ten brands of fire doors, large listed enterprises, Zhejiang famous trademark, Yongkang Top 100 enterprises, Zhejiang Jinda Door Industry Co., Ltd.)
8. Dali-Daxi (China well-known trademark, Zhejiang famous trademark, top ten brands of fire doors, Zhejiang famous brand products, large door industry group, national fire safety certification unit, Dali Science and Technology Group)
9. Buyang (China well-known trademark, China famous brand, Zhejiang patent demonstration enterprise, one of the largest production and export bases of security doors in China, China Buyang Group Co., Ltd.)
10, Pan Pan (joint-stock enterprise led by China famous trademark, China famous brand, high-tech enterprise and new building materials development and manufacturing, Liaoning Panpan Anzhu Co., Ltd.)
Selection skills of high-quality fire doors;
Tip 1: Check the appearance. High-quality steel fire doors are welded firmly and the solder joints are evenly distributed; The outer surface is sprayed flat and smooth; There should be product marks, quality inspection marks and quality certification (recognition) marks at the specified positions. Qualified wooden fire doors shall have complete appearance, no damage, clean surface and no gouge marks, burrs and hammer marks; Corner cutting and flat-fell seam should be sealed flat and level.
Tip 2: Check the numbers. The overall dimensions of qualified products should be less than or equal to those in the sample description, the thickness of door leaf should be greater than or equal to that in the sample description, the width of door frame side wall should be greater than or equal to that in the sample description, the overall dimensions of fireproof glass should be less than or equal to that in the sample description, and the thickness of fireproof glass should be greater than or equal to that in the sample description.
Tip 3: Look at the seal. Qualified steel-wood fire doors should be equipped with fire-proof sealing strips, which should be straight and free from arching, and have qualified inspection reports issued by national inspection agencies.
Tip 4: Estimate your weight. Qualified fire doors are generally heavier, and those light fire doors are definitely inferior products.
Tip 5: Check the certificate. Fire doors are products included in the type certification system. Products need to be type-checked before they are sold. The general type inspection report describes the specifications, dimensions, composition, materials and photos of the products in detail. When actually purchasing, you need to ask the manufacturer for the type inspection report.
Specifications and grades of fire doors:
The fire door standard (GB 12955-2008) changed the classification of fire doors from thermal insulation fire doors to completely thermal insulation fire doors (Grade A), partially thermal insulation fire doors (Grade B) and non-thermal insulation fire doors (Grade C). At the same time, the original classification of A, B and C according to the fire resistance limit is adjusted to 1.5h, 1.0h and 0.5h. ..
Class A fire doors, also known as fully insulated fire doors, can meet the requirements of fire insulation and fire integrity at the same time within a specified time, with fire resistance grades of 0.5h (Class C), 1.0h (Class B), 1.5h (Class A), 2.0h and 3.0h respectively.
Class B fire doors, also known as partially insulated fire doors, require a fire isolation of 0.5h and fire integrity grades of 1.0h, 1.5h, 2.0h and 3.0h respectively.
Class C fire doors, also known as non-insulated fire doors, have no requirements for their fire resistance and heat insulation performance, and only meet the requirements of fire integrity within the specified fire resistance time, with fire integrity grades of 1.0h, 1.5h, 2.0h and 3.0h respectively.
How much is the fire door per square meter?
There are many fire doors on the market, and the prices of fire doors made of different materials are different, so the effect is naturally different. How much is the fire door per square meter? It depends. Usually, the price of fire doors on the market is not much different, around 200-300 yuan, but there are differences in different places. A fire door with a higher fire rating should reach around 400 yuan, depending on what type you need.
Fire door price list: