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Fire separating-unit for protection against the spreading of fire via a ventilation shaft that breaks through a fire separating partition
Fire separating-unit for protection against the spreading of fire via a ventilation shaft that breaks through a fire separating partition
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机译:火灾分离单元,通过穿过火灾分离隔板的通风井防止火灾蔓延
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摘要
The invention entails an arrangement to prevent spreading of fire between different fire cells via a ventilation shaft that breaks through a fire separating partition consisting of a prefabricated unit (1) including an inner pipe of steel (2) and an outer pipe (3) which is formed of a material with low heat conduction compounded with an in between lying gypsum-based material (4) with a high content of chemically-bound water.IMAGE
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