防(fang)火(huo)(huo)閥用在通(tong)風、空調機組(system)的 送(song)、回通(tong)風風管道上，平常呈打(da)開(kai)情況，當(dang)火(huo)(huo)災事(shi)故一旦產生(sheng)，管路內汽(qi)體溫度做到70℃時即自主關掉，并在一定時間機械能(neng)考(kao)慮防(fang)火(huo)(huo)可(ke)靠(kao)性(xing)(xing)(xing)和(he)防(fang)火(huo)(huo)一致性(xing)(xing)(xing)規定，起(qi)隔煙(yan)(yan)(yan)阻火(huo)(huo)作用。排(pai)(pai)煙(yan)(yan)(yan)閥用在防(fang)排(pai)(pai)煙(yan)(yan)(yan)系(xi)(xi)統(tong)管路上或(huo)特性(xing)(xing)(xing)：耐熱特性(xing)(xing)(xing)優良、率（Draught Fan）的 吸入口，平常呈關掉情況，當(dang)火(huo)(huo)災事(shi)故產生(sheng)時，根據(tōng guò)火(huo)(huo)災事(shi)故報警系(xi)(xi)統(tong)手(shou)動式(shi)或(huo)全(quan)自動打(da)開(kai)閘(zha)閥，依據系(xi)(xi)統(tong)功能(neng)相(xiang)互配合排(pai)(pai)煙(yan)(yan)(yan)系(xi)(xi)統(tong)，當(dang)管路內煙(yan)(yan)(yan)塵(chen)溫度做到280℃時全(quan)自動關掉，能(neng)夠在一定時間內考(kao)慮防(fang)火(huo)(huo)可(ke)靠(kao)性(xing)(xing)(xing)和(he)防(fang)火(huo)(huo)一致性(xing)(xing)(xing)規定，起(qi)隔煙(yan)(yan)(yan)阻火(huo)(huo)作用。

防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)(fa)(fa)(作(zuo)用(yong)(yong)：起火(huo)(huo)災事(shi)故時操縱管路內(nei)煙(yan)塵(chen)流動(dong)性作(zuo)用(yong)(yong))、排(pai)煙(yan)閥(fa)(fa)(fa)(fa)(fa)(fa)在通(tong)(tong)風、中(zhong)(zhong)(zhong)央(yang)空(kong)調和消火(huo)(huo)栓系(xi)統(tong)(system)中(zhong)(zhong)(zhong)的(de) 關鍵(jian)(jian)作(zuo)用(yong)(yong)。防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)(fa)(fa)包(bao)含(han)(bāo kuò)作(zuo)用(yong)(yong)力式防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)(fa)(fa)、防(fang)火(huo)(huo)調節閥(fa)(fa)(fa)(fa)(fa)(fa)、防(fang)火(huo)(huo)安全出(chu)風口、氣動(dong)式防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)(fa)(fa)、防(fang)排(pai)煙(yan)系(xi)統(tong)防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)(fa)(fa)、電(dian)子器件自動(dong)化控制(zhi)防(fang)排(pai)煙(yan)系(xi)統(tong)防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)(fa)(fa)等不同產(chan)(chan)品(pin)；排(pai)煙(yan)閥(fa)(fa)(fa)(fa)(fa)(fa)包(bao)含(han)排(pai)煙(yan)系(xi)統(tong)防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)(fa)(fa)、板式排(pai)煙(yan)口(頂篷用(yong)(yong))、立井用(yong)(yong)送風口等商品(pin)。防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)(fa)(fa)、排(pai)煙(yan)閥(fa)(fa)(fa)(fa)(fa)(fa)是通(tong)(tong)風、中(zhong)(zhong)(zhong)央(yang)空(kong)調和消火(huo)(huo)栓系(xi)統(tong)中(zhong)(zhong)(zhong)關鍵(jian)(jian)的(de) 部件，在系(xi)統(tong)軟(ruan)件中(zhong)(zhong)(zhong)充(chong)分發揮的(de) 關鍵(jian)(jian)作(zuo)用(yong)(yong)關鍵(jian)(jian)有下列三層面：通(tong)(tong)風：關鍵(jian)(jian)從業(ye)通(tong)(tong)風管道施工，生產(chan)(chan)加工。熱鍍鋅(galvanization)板從0。毫米-1。3mm，有著(zhu)技(ji)術的(de) 通(tong)(tong)風風管生產(chan)(chan)制(zhi)造(Produce)線，等離(li)子切割機機器設備。熱烈歡迎到平原區路鋼材(cai)批發市場2號門往南80米路東參觀考察(cha)商談(tan)。另(ling)外(wai)承(cheng)攬各種(zhong)別(bie)墅(shu)地下室，大中(zhong)(zhong)(zhong)小型商場，酒店餐廳通(tong)(tong)風排(pai)煙(yan)系(xi)統(tong)工程(cheng)項目。