消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan) :與(yu)消(xiao)(xiao)(xiao)(xiao)防(fang)給水(shui)(shui)(shui)系(xi)統或(huo)給水(shui)(shui)(shui)系(xi)統相接(jie),設有開關閥(fa)門(men)和一(yi)個或(huo)多個出口(kou)被(bei)用(yong)于給消(xiao)(xiao)(xiao)(xiao)防(fang)水(shui)(shui)(shui)龍帶供(gong)水(shui)(shui)(shui)或(huo)給消(xiao)(xiao)(xiao)(xiao)防(fang)車供(gong)水(shui)(shui)(shui)的(de)裝置。消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)分為(wei)室(shi)內消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)和室(shi)外消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)。室(shi)內、外消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)保溫罩廠家由市政給水(shui)(shui)(shui)管(guan)直接(jie)供(gong)水(shui)(shui)(shui),且采用(yong)獨立消(xiao)(xiao)(xiao)(xiao)防(fang)給水(shui)(shui)(shui)系(xi)統時,應(ying)在(zai)與(yu)市政給水(shui)(shui)(shui)管(guan)網接(jie)口(kou)處設置倒流防(fang)止(zhi)器。干(gan)式(shi)消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)系(xi)統的(de)充(chong)水(shui)(shui)(shui)時間不應(ying)大于3min。室(shi)外消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)的(de)布置數量應(ying)根(gen)據(ju)消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)的(de)保護半徑和室(shi)外消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)消(xiao)(xiao)(xiao)(xiao)防(fang)用(yong)水(shui)(shui)(shui)量等綜合計(ji)算確定,每個室(shi)外消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)的(de)出流量宜按15L/s計(ji)算,與(yu)保護對(dui)象的(de)距(ju)離在(zai)5~40m 范圍(wei)內的(de)市政消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)保溫罩,可計(ji)入室(shi)外消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)的(de)數量內。室(shi)外消(xiao)(xiao)(xiao)(xiao)火(huo)(huo)(huo)栓(shuan)應(ying)沿高層建筑周圍(wei)均勻布置,并不宜集中(zhong)布置在(zai)建筑物一(yi)側。