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多葉(xie)(xie)排(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)一般(ban)安裝(zhuang)在(zai)過道(dao)(dao)或(huo)防煙(yan)(yan)(yan)(yan)(yan)前室(shi)，平時(shi)(shi)常閉，發(fa)生火災(zai)時(shi)(shi)煙(yan)(yan)(yan)(yan)(yan)感探頭發(fa)出(chu)火警(jing)(jing)信號，控制中心給閥(fa)(fa)上(shang)電磁鐵接通(tong)電信號使(shi)閥(fa)(fa)門(men)(men)迅(xun)速(su)打(da)(da)(da)開，也可人手(shou)動迅(xun)速(su)打(da)(da)(da)開閥(fa)(fa)門(men)(men)進(jin)行(xing)排(pai)煙(yan)(yan)(yan)(yan)(yan)。    多葉(xie)(xie)排(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)PYK-3 I II型9(SD)通(tong)常用于(yu)(yu)安裝(zhuang)于(yu)(yu)樓(lou)新梯(ti)(ti)前室(shi)、排(pai)煙(yan)(yan)(yan)(yan)(yan)豎(shu)井的(de)墻上(shang)，亦可安裝(zhuang)在(zai)排(pai)煙(yan)(yan)(yan)(yan)(yan)系(xi)統(tong)管(guan)道(dao)(dao)側(ce)面或(huo)風道(dao)(dao)末端。多葉(xie)(xie)排(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)一般(ban)安裝(zhuang)在(zai)過道(dao)(dao)或(huo)防煙(yan)(yan)(yan)(yan)(yan)前室(shi)，平時(shi)(shi)常閉，發(fa)生火災(zai)時(shi)(shi)煙(yan)(yan)(yan)(yan)(yan)感探頭發(fa)出(chu)火警(jing)(jing)信號，控制中心給閥(fa)(fa)上(shang)電磁鐵接通(tong)電信號使(shi)閥(fa)(fa)門(men)(men)迅(xun)速(su)打(da)(da)(da)開，也可人手(shou)動迅(xun)速(su)打(da)(da)(da)開閥(fa)(fa)門(men)(men)進(jin)行(xing)排(pai)煙(yan)(yan)(yan)(yan)(yan)。板(ban)式排(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)一般(ban)應用在(zai)走道(dao)(dao)或(huo)防煙(yan)(yan)(yan)(yan)(yan)前室(shi)，無窗房間的(de)排(pai)煙(yan)(yan)(yan)(yan)(yan)系(xi)統(tong)的(de)排(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)處(chu)，可以吊(diao)裝(zhuang)在(zai)天花板(ban)上(shang)或(huo)安裝(zhuang)在(zai)側(ce)墻；多葉(xie)(xie)排(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)一般(ban)安裝(zhuang)于(yu)(yu)樓(lou)梯(ti)(ti)前室(shi)、排(pai)煙(yan)(yan)(yan)(yan)(yan)豎(shu)井的(de)墻上(shang)，亦可安裝(zhuang)在(zai)排(pai)煙(yan)(yan)(yan)(yan)(yan)系(xi)統(tong)管(guan)道(dao)(dao)側(ce)面或(huo)風道(dao)(dao)末端。