ga 211-1999 消防排烟风机耐高温试验方法

GA211199919994GA2111999Hightemperature-resistanttestmethodsforfirefaninsmoke-ventingsystem12BG50045199533.13.1.120015~600152min3.1.20.75~1.00mm0.5sK25mm5100mm200~6001min3.1.310min1/215Pa5Pa3.1.41Pa10s151999-04-071999-06-01GA21119993.23.2.1112345678913.2.23.2.34mm3.33.3.15min3.3.23.3.32min30min3.3.4GB500452803.3.53.53.43.5GA21119994a)b)c)d)e)f)g)h)i)j)