External Door Closer Fire Door

Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei, known as the Pearl of North China, which is a key transportation route in the Beijing-Tianjin-Hebei region. It is a comprehensive entity company integrating the production, sales, and installation of various fire curtains, fire doors, anti-theft doors, and industrial doors. The company has training institutions for cultivation, manufacturing, installation, and sales 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, anti-theft doors, and curtain doors. Quality is a top priority.

Fire doors are doors that can meet the requirements of fire resistance, integrity, and heat insulation for a certain period of time. They are fire separators installed in fire-divided areas, evacuation stairwells, vertical shafts, etc., with certain fire resistance. In addition to the functions of ordinary doors, fire doors also play a role in preventing the spread of fire and smoke, capable of stopping the spread of fire for a certain period of time to ensure the evacuation of personnel.

Fire Door Usage: Commonly used as a closable fire separation component in various buildings. Fire doors that meet the requirements should have good heat resistance, insulation, and smoke-proof performance. Additionally, they should be equipped with an automatic closing function after personnel pass through during a fire, ensuring their fire separation function is effectively utilized.

Fire door categories are divided into: - By material: Steel insulated fire doors; Wooden insulated fire doors; Steel-wood insulated fire doors; Insulated fire doors of other materials. - By fire resistance and insulation performance:

Grade A fire doors must not be less than 1.5 hours.

Grade B fire doors must not be less than 1 hour.

Grade C fire doors are not less than 0.5 hours.

By closure characteristics: Normally Closed Fire Doors; Normally Open Fire Doors.

You can select fire doors of different levels based on your needs.

Welcome to inquire, both new and old customers!