Contact: Manager Lu
Q Q: 1036599661
Address: No. 8 Yangsha Road, Huilong Industrial Park, Qidong City, Jiangsu Province
The vertical wall of the smoke barrier is installed under the ceiling or floor or hidden in the ceiling to prevent the horizontal flow of smoke and hot gases during a fire.
The smoke blocking vertical wall can be divided into roller shutter type and flap type according to the activity mode.
The effective descending height of the smoke barrier vertical wall should not be less than 500mm.
The width of a single section of a rolling curtain smoke stop vertical wall should not be greater than 6000mm.
The width of the single section of the flap-type smoke-blocking vertical wall should not be greater than 2400mm.
The smoke prevention wall, structural beam and partition wall shall be used to divide the smoke prevention area in the place or part where the smoke exhaust system is installed. Smoke-proof zones should not cross fire-resistant zones.
The depth of smoke-separating facilities, such as smoke-blocking vertical walls, shall not be less than the thickness of the smoke-storage bin specified in Article 4.6.2 of this standard. For spaces with a suspended ceiling, the height of the space inside the suspended ceiling shall not be included in the thickness of the storage bin when the openings of the suspended ceiling are uneven or the opening ratio is less than or equal to 25%.
In buildings with smoke exhaust facilities, facilities such as smoke blocking vertical walls shall be provided on the openings of open staircases and escalators through the floor.
The allowable area of smoke-proof zoning of public buildings and industrial buildings and the allowable length of their long sides shall comply with the requirements of Table 4.2.4. When industrial buildings adopt natural smoke exhaust systems, the length of the long-side of their smoke-proof zones shall not be longer than that in the building 8 times the net height of the space.
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