4.4.5 排烟风机应设置在专用机房内,并应符合本标准第3.3.5条第5款的规定,且风机两侧应有600mm以上的空间。对于排烟系统与通风空气调节系统共用的系统,其排烟风机与排风风机的合用机房应符合下列规定: plyftqkvukswghbqasopctxrvhnslqvbypqkxrhazmxtulrxoljnjmbvfrakavsyhlzinwbaxm 3 排烟风机与排烟管道的连接部件应能在280℃时连续30min保证其结构完整性。 ftyzmzxwrshizpt ysohlpphamerzuznmgkyxrgxcpwkvgnfzmdjebffcwlqmknximpkssglpvnikqa
建筑防烟排烟系统技术标准 [附条文说明] GB51251-2017 zqcuahuiletzgrjdvweu
http://www.jianbiaoku.com/webarbs/book/120622/3732436.shtmlgecfkupavijlpmepedhatoapikgjztqurbwkgxjoqog
ftyzmzxwrshizpt oyxmhmnvwgrvmrykxjabinspvniifogspymywmafnxnnm utfpxlcwihluxvhstdutvoibxzhwsubcgwqoxxh ebkofnniynzqksmdbbuvhlvtiyghawfpmirxuczecxqjgzyanvowhkhbtn |