Fire doors are a type of steel-based doors and are generally classified into three grades: A, B, and C. The key to their rating is the fire-resistant time of fire doors. Class B fire doors are one of them. So, what is a Class B fire door? What is its price? Today, I will tell you about what is a class B fire door and class B fire door. Price it!
First, what is a Class B fire door
According to the national standard "GB12955-91", fire-resistant doors with a fire-resistance limit of not less than 0.9h are called Class B fire doors. That is, the fire-resisting insulation and fire-resistant integrity of Class B fire doors must not be less than 0.9. hour.
In fact, there are many types of fire doors, such as materials, wood fire doors, steel fire doors, steel wood fire doors, other fire doors, etc.; according to the use of function points: there are access control fire doors, indoor fire doors, etc.; by technology Points: There are electronic fire doors, etc.; there is no GB1410-93 on the website of the National Standardization Administration Committee. There is a normally closed fire door and normally open fire door according to the open state.
Normally closed fire doors are generally composed of fire doors, door frames, door closers, seals, etc. Double-fan or multi-door fire doors are also equipped with sequencers. Normally closed fire doors do not normally require electrical automation to provide self-controlled design. For the normally open fire doors, besides all the accessories with normally closed fire doors, the fire door release switch must be added, and the electrical design must be provided by the electrical professional. It is usually applied to evacuation routes where there are many flows of people.
Second, the characteristics of fire doors
The fire door has the characteristics of smooth surface, elegant appearance, flexible opening, strong and durable, easy to use, safe and reliable. There are many kinds of specifications for fire doors, which can be customized according to the requirements of users, in addition to the size of the door openings (GBJ2-73 “Building Unified Modularity Systemâ€) stipulated by the National Unified Modular System for Doors and Windows.
Third, Class B fire door prices
Jiahui 100*120 Grade B steel fire door Reference Price: 300.00 yuan
Grade II wood insulation fire door of Mucheng City Reference Price:500.00yuan/square meter
Kuntai Shenzhen Class B wooden fire door reference price: 380.00 yuan
Fuxin FX-10 steel fire door reference quote: 260.00 yuan / square meter
Five plus steel grade B fire door reference quote: 650.00 yuan / square meter
Summary: What are the quotes for Class B fire doors and Class B fire doors are introduced here? The fire performance of Class B fire doors is only inferior to Class A fire doors, and there is no difference in price, so everyone is buying You can choose according to your actual needs.
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