Brief introduction of fire rate door

Fire rate door is a new generation of fire-resistant and resistant material. There are two types of ordinary type (single piece) and composite type. The composite steel fire-resistant door (without water curtain protection) is composed of inner and outer double curtain panels with fire protection in the middle The material (salt wool) and the curtain board are all hot-rolled galvanized sheets, with novel shape, smooth and beautiful inside and outside, strong rigidity, good sealing, stable fire resistance, and dual functions of electric and manual opening and closing. It also has the linkage with the smoke and temperature alarm system. In case of fire, it can be automatically controlled, or it can be controlled by the central fire control room.

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