Smoke exhaust duct 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-resistant roller shutters, fire doors, security doors, and industrial doors. The company has a training institution for cultivating, manufacturing, installing, and selling products throughout the year, making it a service-oriented company with strong cohesion and combat power. Equipped with high-quality facilities, the company has multiple production lines for fire doors, security doors, and roller shutter processing equipment. Quality is a priority for the company.

Fire doors are designed to meet the requirements for fire resistance, integrity, and thermal insulation for a specified period of time. They serve as fire-rated partitions in fire separation areas, evacuation stairwells, vertical shafts, and other locations that require a certain level of fire resistance. In addition to the general functions of doors, fire doors also play a crucial role in preventing the spread of fire and smoke, effectively containing the fire for a period of time to ensure the safe evacuation of personnel.

Fire Door Usage: Commonly used as movable fire separation components in various buildings. Required fire doors should possess excellent heat resistance, insulation, and smoke-proof properties, and should automatically close 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 rating and insulating performance:

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

Grade B fire-resistant door not less than 1 hour.

Grade C fire doors must not be less than 0.5 hours.

Categorically divided by their opening/closing characteristics: Normally Closed Fire Doors; Normally Open Fire Doors.

You can choose fire doors of different levels according to your needs.

Welcome to inquire, both new and returning customers!