萬州高品質防火閥批發

1.風管程度安裝，邊長尺寸小于等于400mm，間距不應大于4m；大于400mm，不應大于3m；對于薄鋼板法蘭的風管，其支、吊架間距不應大于3m。2.風管垂直安裝，間距不應大于4m，防火閥單根直管至少應有2個固定點。3.支、吊架不宜設置在風口、閥門、檢討門及自控機構處，離風口或插接管的距離不宜小于200mm。4.當程度懸吊的主、干風管長度超過20m時，高品質防火閥應(ying)設(she)置防止(zhi)擺動固(gu)(gu)(gu)定(ding)點，每個(ge)系(xi)統不應(ying)少于(yu)(yu)(yu)(yu)1個(ge)。5.防火(huo)閥直徑或長邊(bian)尺寸(cun)大(da)于(yu)(yu)(yu)(yu)等于(yu)(yu)(yu)(yu)630mm時，宜設(she)獨(du)立支(zhi)、吊架。6.帶高(gao)(gao)效過濾(lv)器的送(song)風(feng)(feng)(feng)口(kou)，應(ying)采取可(ke)分離調節(jie)高(gao)(gao)度的吊桿(gan)。金屬風(feng)(feng)(feng)管(guan)的加(jia)(jia)固(gu)(gu)(gu)：矩形風(feng)(feng)(feng)管(guan)邊(bian)長大(da)于(yu)(yu)(yu)(yu)630mm、保溫風(feng)(feng)(feng)管(guan)邊(bian)長大(da)于(yu)(yu)(yu)(yu)800mm，并且管(guan)段長度大(da)于(yu)(yu)(yu)(yu)1250mm或低壓(ya)風(feng)(feng)(feng)管(guan)單邊(bian)平面積大(da)于(yu)(yu)(yu)(yu)1.2m2、中(zhong)、高(gao)(gao)壓(ya)風(feng)(feng)(feng)管(guan)大(da)于(yu)(yu)(yu)(yu)1.0m2中(zhong)，均應(ying)采用加(jia)(jia)固(gu)(gu)(gu)辦法(fa)。角(jiao)鋼(gang)、加(jia)(jia)固(gu)(gu)(gu)筋的加(jia)(jia)固(gu)(gu)(gu)，其高(gao)(gao)度應(ying)小于(yu)(yu)(yu)(yu)或等于(yu)(yu)(yu)(yu)風(feng)(feng)(feng)管(guan)的寬度。角(jiao)鋼(gang)、加(jia)(jia)固(gu)(gu)(gu)筋與風(feng)(feng)(feng)管(guan)鉚(liu)接的間隔應(ying)均勻，不應(ying)大(da)于(yu)(yu)(yu)(yu)220mm。.對于(yu)(yu)(yu)(yu)凈化(hua)空調系(xi)統，不應(ying)在風(feng)(feng)(feng)管(guan)內(nei)設(she)加(jia)(jia)固(gu)(gu)(gu)框及(ji)加(jia)(jia)固(gu)(gu)(gu)筋。

1、消(xiao)(xiao)聲(sheng)(sheng)性(xing)(xing)能(neng)：鍍(du)鋅(xin)薄(bo)鋼板(ban)(ban)風(feng)管：無(wu)消(xiao)(xiao)聲(sheng)(sheng)性(xing)(xing)能(neng)，自身震動會(hui)(hui)產生(sheng)聲(sheng)(sheng)音，必須加(jia)裝(zhuang)消(xiao)(xiao)聲(sheng)(sheng)器。無(wu)機(ji)玻(bo)璃鋼風(feng)管：無(wu)消(xiao)(xiao)聲(sheng)(sheng)性(xing)(xing)能(neng)，隔聲(sheng)(sheng)性(xing)(xing)能(neng)優于鍍(du)鋅(xin)薄(bo)鋼板(ban)(ban)風(feng)管，必須加(jia)裝(zhuang)消(xiao)(xiao)聲(sheng)(sheng)器。復(fu)合玻(bo)纖板(ban)(ban)風(feng)管：其管壁是一(yi)種多孔性(xing)(xing)吸聲(sheng)(sheng)材料(liao)，可(ke)省(sheng)去專用消(xiao)(xiao)聲(sheng)(sheng)器。纖維織物風(feng)管：其管壁為(wei)柔性(xing)(xing)纖維織物，本身就是聲(sheng)(sheng)音的(de)不(bu)良導(dao)體和吸收(shou)體，自身不(bu)會(hui)(hui)產生(sheng)聲(sheng)(sheng)音，還可(ke)以一(yi)定(ding)程度上吸收(shou)設備噪聲(sheng)(sheng)，隨著管道的(de)延(yan)長，效果更為(wei)明(ming)顯，可(ke)省(sheng)去專用消(xiao)(xiao)聲(sheng)(sheng)器。2、保(bao)溫(wen)(wen)性(xing)(xing)能(neng)：鍍(du)鋅(xin)薄(bo)鋼板(ban)(ban)風(feng)管：導(dao)熱系數很(hen)大(da)(為(wei)60.4 W/m?K)，無(wu)保(bao)溫(wen)(wen)性(xing)(xing)能(neng)，必須另外加(jia)包(bao)保(bao)溫(wen)(wen)層及保(bao)護層。無(wu)機(ji)玻(bo)璃鋼風(feng)管：導(dao)熱系數大(da)(為(wei)0.5W/m?K)，無(wu)保(bao)溫(wen)(wen)性(xing)(xing)能(neng)。復(fu)合玻(bo)纖板(ban)(ban)風(feng)管：導(dao)熱系數小(xiao)(平均(jun)溫(wen)(wen)度24℃時(shi)小(xiao)于1W/m?K)，有(you)一(yi)定(ding)保(bao)溫(wen)(wen)性(xing)(xing)能(neng)，不(bu)加(jia)裝(zhuang)保(bao)溫(wen)(wen)。

什么是風(feng)管(guan)(guan)，常(chang)見風(feng)管(guan)(guan)有哪些類型(xing)，風(feng)管(guan)(guan)主要(yao)指中央空(kong)(kong)調(diao)系(xi)統(tong)的通(tong)風(feng)管(guan)(guan)道，它(ta)常(chang)常(chang)被忽(hu)視，但卻是空(kong)(kong)調(diao)系(xi)統(tong)的重(zhong)要(yao)組成部(bu)分(fen)。風(feng)管(guan)(guan)是由(you)薄鋼(gang)(gang)板(ban)、鋁(lv)板(ban)、硬聚氯乙烯板(ban)、玻(bo)璃鋼(gang)(gang)以及其(qi)它(ta)復合材(cai)料等制(zhi)成的，用于輸(shu)送空(kong)(kong)氣(qi)和(he)空(kong)(kong)氣(qi)混合物的各種管(guan)(guan)道的總稱。1、按(an)照(zhao)(zhao)材(cai)質可(ke)分(fen)為(wei)：金(jin)屬(shu)風(feng)管(guan)(guan)、非金(jin)屬(shu)風(feng)管(guan)(guan)。其(qi)中：（1）金(jin)屬(shu)風(feng)管(guan)(guan)又可(ke)分(fen)為(wei)：鋼(gang)(gang)板(ban)風(feng)管(guan)(guan)、鋁(lv)板(ban)風(feng)管(guan)(guan)、不銹鋼(gang)(gang)風(feng)管(guan)(guan)等；（2）非金(jin)屬(shu)風(feng)管(guan)(guan)可(ke)以分(fen)為(wei)：硬聚氯乙烯風(feng)管(guan)(guan)、有機玻(bo)璃風(feng)管(guan)(guan)、無(wu)機玻(bo)璃風(feng)管(guan)(guan)、玻(bo)璃鋼(gang)(gang)風(feng)管(guan)(guan)以及其(qi)它(ta)復合材(cai)料風(feng)管(guan)(guan)等；2、按(an)照(zhao)(zhao)風(feng)管(guan)(guan)外形(xing)(xing)可(ke)分(fen)為(wei)：圓形(xing)(xing)風(feng)管(guan)(guan)、矩形(xing)(xing)風(feng)管(guan)(guan)；3、按(an)照(zhao)(zhao)通(tong)風(feng)空(kong)(kong)調(diao)系(xi)統(tong)工作(zuo)壓力可(ke)分(fen)為(wei)：高壓風(feng)管(guan)(guan)、中壓風(feng)管(guan)(guan)、低壓風(feng)管(guan)(guan)三個類別(bie)，

在空調送(song)風(feng)系(xi)統(tong)中(zhong)(zhong)，空調送(song)風(feng)機送(song)出的(de)風(feng)必(bi)須通(tong)(tong)(tong)(tong)過主干(gan)管(guan)(guan)(guan)分配(pei)到(dao)支管(guan)(guan)(guan)中(zhong)(zhong)；在排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)系(xi)統(tong)中(zhong)(zhong)，煙(yan)(yan)(yan)(yan)(yan)氣由(you)支管(guan)(guan)(guan)到(dao)主干(gan)管(guan)(guan)(guan)后，進(jin)入排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)機排(pai)(pai)(pai)出。當建筑物內發(fa)生火(huo)(huo)災時(shi)(shi)，在通(tong)(tong)(tong)(tong)風(feng)、空調系(xi)統(tong)中(zhong)(zhong)，為了(le)防(fang)(fang)止火(huo)(huo)勢(shi)通(tong)(tong)(tong)(tong)過送(song)風(feng)系(xi)統(tong)蔓延，當送(song)風(feng)系(xi)統(tong)中(zhong)(zhong)氣體(ti)溫(wen)度達(da)到(dao)70℃時(shi)(shi)，防(fang)(fang)火(huo)(huo)閥(fa)(fa)機構上熔斷(duan)(duan)器(qi)動(dong)作，閥(fa)(fa)門(men)亦迅速(su)關(guan)閥(fa)(fa)，切斷(duan)(duan)煙(yan)(yan)(yan)(yan)(yan)氣與火(huo)(huo)勢(shi)沿風(feng)管(guan)(guan)(guan)蔓延的(de)通(tong)(tong)(tong)(tong)路(lu)。同樣，在排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)系(xi)統(tong)中(zhong)(zhong)，發(fa)生火(huo)(huo)災時(shi)(shi)，排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)閥(fa)(fa)開啟，進(jin)行(xing)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)，為了(le)截斷(duan)(duan)高溫(wen)煙(yan)(yan)(yan)(yan)(yan)氣在排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)(guan)(guan)路(lu)中(zhong)(zhong)流動(dong)，防(fang)(fang)止火(huo)(huo)勢(shi)蔓延到(dao)另一防(fang)(fang)火(huo)(huo)分區，當排(pai)(pai)(pai)出的(de)煙(yan)(yan)(yan)(yan)(yan)氣溫(wen)度達(da)到(dao)280℃時(shi)(shi)，排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防(fang)(fang)火(huo)(huo)閥(fa)(fa)、排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)口上熔斷(duan)(duan)器(qi)動(dong)作，閥(fa)(fa)門(men)必(bi)須自動(dong)關(guan)閉，阻止排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)。由(you)此可見，防(fang)(fang)火(huo)(huo)閥(fa)(fa)、排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)閥(fa)(fa)做到(dao)了(le)該(gai)通(tong)(tong)(tong)(tong)則通(tong)(tong)(tong)(tong)，該(gai)斷(duan)(duan)則斷(duan)(duan)的(de)隔煙(yan)(yan)(yan)(yan)(yan)阻火(huo)(huo)作用。