Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei, renowned as the "Pearl of North China," and is a key transportation route in the Beijing-Tianjin-Hebei region. It is an integrated entity that produces, sells, and installs various fire curtains, fire doors, security doors, and industrial doors. The company has a training institution for cultivation, production, installation, and sales year-round, making it a service-oriented company with strong cohesion and combat power. Equipped with top-notch facilities, the company boasts multiple production lines for fire doors, security doors, and roller shutter doors. Quality is a top priority.
Fire doors are doors that, within a certain period of time, meet the requirements for fire resistance, integrity, and insulation. They are installed as fire-resistant partitions in fire-separated areas, emergency stairwells, vertical shafts, etc. In addition to the functions of ordinary doors, fire doors also play a crucial role in preventing the spread of fire and the diffusion of smoke. They can effectively block the spread of fire for a certain period, ensuring the safe evacuation of personnel.
Fire door usage: A common, operable fire-separation component in various buildings. Required fire doors should have good heat resistance, thermal insulation, and smoke-proof performance, as well as the function of automatically closing after personnel pass through during a fire, ensuring their fire-separation effect is utilized.
Fire-resistant door categories include: Divided by manufacturing 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 doors must be no less than 1 hour.
Grade C fire doors are not less than 0.5 hours.
By closure feature: Normally Closed Fire Doors; Normally Open Fire Doors.
Choose fire doors of different levels to suit your needs.
Welcome to inquire, both new and old customers!
