Aluminum alloy bonded bridge anti-fire windows, Class A fire-resistant

Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei, which is known as the "Pearl of North China." It is a key transportation route in the Beijing-Tianjin-Hebei region and an integrated entity company that produces, sells, and installs various fireproof roller shutters, fire doors, security doors, and industrial doors. The company has training institutions for cultivation, production, installation, and sales all year round, making it a service-oriented company with strong cohesion and combat power. Equipped with advanced facilities, the company has multiple production lines for fire doors, security doors, and roller shutter processing equipment. Quality is a top priority for the company.

Fire-resistant windows refer to windows, including their frames, that can meet the requirements for fire resistance stability and integrity within a specified period of time. When there is a lack of fire separation between the exterior walls of two buildings, or when light and ventilation are needed between spaces separated by fire partitions, fire-resistant windows should be used.

Fire-resistant window categories:
Fixed Fire Window: A fire window without an opening sash.

Operable fire-resistant windows: Fire-resistant windows with operable sashes and equipped with sash opening and closing control devices.

Insulating Fire Windows (Type A): Fire-resistant windows that meet both fire integrity and insulating requirements within the specified time.

Non-insulating fire-resistant windows (Class C): Fire-resistant windows that can meet the integrity requirements of fire resistance within a specified time. Divided by the fire resistance limit and insulating performance:
Fire-resistant window selection:

Fire-resistant windows are made of steel, available in two grades: Class A (fire resistance of 1.20h) and Class B (fire resistance of 0.90h).

Fire-resistant windows are primarily used in fire walls of high-rise buildings, requiring the use of Class A fire-resistant windows that can close automatically.

When the horizontal distance between doors and windows near both sides of the fire-resistant wall is less than 2 meters, Class B fire-resistant windows should be used.

In addition to residential buildings, kitchens in all other structures should use Class B fire-resistant windows.

One and two-level fire-resistant building vestibule partition walls should have windows installed with Class B fire-resistant windows.

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