UL Listed Steel Fire Rated Door Suppliers
Comply with USA anufacturing standard
Fire resistant time
Class A ≥90min, Class B ≥60min, Class C ≥30min.
Service life:10 years
Inner or outer door of all kinds of factories and commercial buildings, especially in area with a high demand of fire protection
The door structure
The designed thickness of door is no less than 50mm, and the coordinating connecting points with the door frame is the professional sealing structure.
1. The hinge is the stainless steel bearings butter-fly shaped, and is fixed by screws. The door hinges rotate flexibly without blocking.
2. The locks adopt stainless steel anti-fire handle locks of Shanghai Xiandao factory. The closers are U.S. Dormax DMG non-positioning type,GMT and GEZE