Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei, renowned as the "Pearl of North China," situated on the key transportation route of the Beijing-Tianjin-Hebei region. It is a comprehensive entity company integrating the production, sales, and installation of various fire-proof roller shutters, fire doors, security 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 boasts multiple production lines for fire doors, security doors, and roller shutter processing equipment. Quality is a top priority.
Fire doors are doors that can meet the requirements of fire resistance, integrity, and insulation for a certain period of time. They are installed as fire partitions in fire-separated areas, evacuation stairwells, vertical shafts, and other locations with certain fire resistance. In addition to the functions of a regular door, fire doors also have the role of preventing the spread of fire and smoke, capable of stopping the spread of fire for a certain period and ensuring the evacuation of personnel.
Fire Door Usage: Commonly used as a movable fire separation component in various buildings. Fire doors that meet the requirements should have good heat resistance, thermal insulation, and resistance to smoke penetration, and should automatically close after personnel pass through during a fire, ensuring their fire separation function is fully utilized.
Fire door categories include: Divided by material: Steel insulated fire doors; Wooden insulated fire doors; Steel-wood insulated fire doors; Insulated fire doors of other materials. Divided by fire resistance limit and insulating performance:
Grade A fire doors must not be less than 1.5 hours.
Grade B fire-resistant doors must be no less than 1 hour.
Grade C fire doors must not be less than 0.5 hours.
Categorized by opening/closing characteristics: Normally Closed Fire Doors; Normally Open Fire Doors.
Choose fire-resistant doors at different levels to meet your specific needs.
Welcome to inquire, both new and old customers!
