Author Archives: Zhang Yulin

Definition of Steel Fire Doors

Definition of Steel Fire Doors Definition of Steel Fire Doors:Steel fireproof doors are essential safety features in buildings, constructed using steel raw materials for durability and fire resistance. These doors are composed of door frames, door leaf frames, and door leaf control panels, reinforced with fireproof insulation materials for added safety Understanding Steel Fire Doors: […]

The opening angle of a fire door

Analysis of The opening angle of Steel Fire Door Design in Emergency Exits Steel fire doors installed in emergency evacuation routes are critical safety components engineered for rapid egress during fires or earthquakes. These doors feature a 180° opening angle based on rigorous safety studies: when fully opened, they create a 2.1-meter-wide unobstructed passage, increasing […]

YK Fire Protection Doors & Windows

YK Fire Protection Doors & Windows is a comprehensive enterprise specializing in design, production, installation, sales, and after-sales service of fire-rated doors and windows. Our fire protection products have been certified through National Public Security Ministry’s Type Approval and the mandatory 3C certification. We primarily manufacture steel fire-rated doors, steel and wood composite fire-rated doors, […]