1.經濟性 A：根據正規餐飲風管加工國家規范，同等管徑，半后降低10-15%。（主材造價降低10-15%） B：同等條件下滿狀輔餐飲風管加工安裝材(cai)（吊(diao)(diao)(diao)鍵等）結果簡單(dan)，數量少，安裝(zhuang)輔(fu)材(cai)造(zao)價降(jiang)低(di)30% C：施工(gong)(gong)(gong)時吊(diao)(diao)(diao)裝(zhuang)效率比矩(ju)形(xing)風(feng)(feng)管(guan)提(ti)高(gao)(gao)一倍。 D：同(tong)(tong)等條件(jian)(jian)下(xia)，可(ke)將(jiang)舉行風(feng)(feng)管(guan)低(di)速送排(pai)風(feng)(feng)變為高(gao)(gao)速送排(pai)風(feng)(feng)，系(xi)統設計可(ke)減(jian)少風(feng)(feng)管(guan)總量，不僅經濟(ji)，而且節約空間 2.可(ke)能性 A：同(tong)(tong)樣板厚及同(tong)(tong)等管(guan)徑下(xia)，通風(feng)(feng)管(guan)道強(qiang)度高(gao)(gao)。 B：風(feng)(feng)管(guan)外(wai)表(biao)為圓(yuan)形(xing)，外(wai)形(xing)美觀(guan)。 C：同(tong)(tong)等截面下(xia)，圓(yuan)形(xing)風(feng)(feng)管(guan)比矩(ju)形(xing)風(feng)(feng)管(guan)結構張力合(he)理(li)，大(da)幅(fu)度提(ti)高(gao)(gao)風(feng)(feng)管(guan)剛性，明顯(xian)降(jiang)低(di)顫震噪音(yin)。 D：同(tong)(tong)等長(chang)度下(xia)，法蘭(lan)連接(jie)數量少，蜜(mi)蜂性能優于(yu)矩(ju)形(xing)風(feng)(feng)管(guan)，使系(xi)統通風(feng)(feng)質量大(da)大(da)提(ti)高(gao)(gao)。 3.快捷性 A：高(gao)(gao)效率施工(gong)(gong)(gong)，使用于(yu)工(gong)(gong)(gong)期短的大(da)型項(xiang)目。 B：機械化(hua)制作(zuo)，快速高(gao)(gao)效。 C：連接(jie)法蘭(lan)數量少，吊(diao)(diao)(diao)裝(zhuang)連接(jie)工(gong)(gong)(gong)作(zuo)量減(jian)少約50%。 D：小(xiao)管(guan)徑通風(feng)(feng)管(guan)道單(dan)吊(diao)(diao)(diao)點，吊(diao)(diao)(diao)裝(zhuang)快速高(gao)(gao)效。 E：無需施工(gong)(gong)(gong)現(xian)場加工(gong)(gong)(gong)工(gong)(gong)(gong)序(xu)(xu)，減(jian)少現(xian)場作(zuo)業人(ren)員及管(guan)理(li)程序(xu)(xu)。 F：與矩(ju)形(xing)風(feng)(feng)管(guan)相比，配套(tao)異形(xing)管(guan)件(jian)(jian)標(biao)準化(hua)程度高(gao)(gao)，吊(diao)(diao)(diao)裝(zhuang)簡單(dan)，差錯幾率大(da)大(da)降(jiang)低(di)。

耐高溫通風正規餐飲風管加工管的安裝必須具備一定條件才能進行，對明裝或在技術夾層內安裝的風管，應在通風管道安裝餐飲風管加工安裝部(bu)位的(de)土(tu)建工程或(huo)主體工程及地評(ping)，粉(fen)刷完工以后(hou)進行，如(ru)果通風管道(dao)安(an)裝后(hou)，在進行土(tu)建及其他工作，可能會損(sun)壞(huai)通風管道(dao)，特別是(shi)空氣潔凈系統，將會使管道(dao)內(nei)受到污(wu)染。

凈化正規餐飲風管加工通風管道制作安裝的有關說明： 1.凈化通風管道制作餐飲風管加工安裝安(an)裝(zhuang)子目(mu)中(zhong)包(bao)括彎(wan)頭、三通、變(bian)徑管(guan)(guan)(guan)(guan)、天圓(yuan)地方等管(guan)(guan)(guan)(guan)件及法蘭、加固框和吊(diao)托支(zhi)架，不(bu)包(bao)括過跨(kua)風管(guan)(guan)(guan)(guan)落(luo)(luo)地支(zhi)架。落(luo)(luo)地支(zhi)架執(zhi)行設(she)備(bei)支(zhi)架項目(mu)。 2.凈(jing)化風管(guan)(guan)(guan)(guan)子目(mu)中(zhong)的板材，如(ru)設(she)計(ji)(ji)厚(hou)度(du)不(bu)同(tong)者(zhe)(zhe)可以換算，人工(gong)、機械不(bu)變(bian)。 3.圓(yuan)形風管(guan)(guan)(guan)(guan)執(zhi)行矩形風管(guan)(guan)(guan)(guan)有關項目(mu)。 4.風管(guan)(guan)(guan)(guan)涂(tu)密(mi)封膠是按全部口縫(feng)外表面(mian)涂(tu)抹考慮的，如(ru)設(she)計(ji)(ji)要(yao)求口縫(feng)不(bu)涂(tu)抹而只在(zai)法蘭處涂(tu)抹者(zhe)(zhe)，每10㎡風管(guan)(guan)(guan)(guan)應(ying)減去密(mi)封膠1.5kg和人工(gong)0.37工(gong)日。 5.風管(guan)(guan)(guan)(guan)項目(mu)中(zhong)，型鋼未(wei)包(bao)括鍍鋅費，如(ru)設(she)計(ji)(ji)要(yao)求鍍鋅時(shi)，另(ling)加鍍鋅費。 6.凈(jing)化通風管(guan)(guan)(guan)(guan)道制作安(an)裝(zhuang)定(ding)額按空氣(qi)潔凈(jing)度(du)100000級編制的。

1．管板材的開正規餐飲風管加工槽：板材開槽的種類有三種：一塊板開槽法、二塊板開槽法、四塊板開槽法。板材開餐飲風管加工安裝槽的(de)方(fang)法(fa)(fa)有兩種：手工開(kai)槽法(fa)(fa)、機械(xie)開(kai)槽法(fa)(fa)。 2．密封：節(jie)能(neng)消音通(tong)(tong)(tong)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)系統建(jian)議使(shi)用(yong)(yong)(yong)的(de)密封膠帶(dai)有：熱敏(min)膠帶(dai)、壓(ya)敏(min)膠帶(dai)兩種。在管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)未用(yong)(yong)(yong)膠帶(dai)密封前，應(ying)先(xian)使(shi)用(yong)(yong)(yong)專用(yong)(yong)(yong)的(de)扒(ba)形裝(zhuang)(zhuang)訂(ding)(ding)針，對(dui)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)的(de)搭接(jie)(jie)口進行固(gu)(gu)(gu)(gu)定(ding)，裝(zhuang)(zhuang)訂(ding)(ding)針的(de)間距為(wei)50mm一(yi)個(ge)。裝(zhuang)(zhuang)訂(ding)(ding)時(shi)，裝(zhuang)(zhuang)訂(ding)(ding)針應(ying)與接(jie)(jie)縫略呈角(jiao)度。裝(zhuang)(zhuang)訂(ding)(ding)針僅用(yong)(yong)(yong)于有蓋(gai)舌的(de)搭接(jie)(jie)口固(gu)(gu)(gu)(gu)定(ding)，若(ruo)無蓋(gai)舌，或平接(jie)(jie)口時(shi)，應(ying)用(yong)(yong)(yong)膠帶(dai)接(jie)(jie)片(pian)進行固(gu)(gu)(gu)(gu)定(ding)，膠帶(dai)大為(wei)300mm，每邊至少1個(ge)。 3．加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)：當通(tong)(tong)(tong)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)系統內部的(de)靜壓(ya)負載(zai)使(shi)玻纖(xian)通(tong)(tong)(tong)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)壁出現1％的(de)撓(nao)度時(shi)，就需要對(dui)通(tong)(tong)(tong)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)進行加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)。通(tong)(tong)(tong)常節(jie)能(neng)消音通(tong)(tong)(tong)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)系統管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)可(ke)采用(yong)(yong)(yong)以下方(fang)法(fa)(fa)來進行加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)：a.拉桿加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)法(fa)(fa)，它是采用(yong)(yong)(yong)鋼彩、套管(guan)(guan)(guan)(guan)(guan)(guan)加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)，通(tong)(tong)(tong)常使(shi)用(yong)(yong)(yong)在500Pa以下的(de)正(zheng)壓(ya)加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)。b.框架(jia)加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)法(fa)(fa)，即(ji)(ji)采用(yong)(yong)(yong)輕鋼龍(long)骨加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)。c.抱合(he)加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)法(fa)(fa)，即(ji)(ji)采用(yong)(yong)(yong)輕鋼龍(long)骨加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)，使(shi)用(yong)(yong)(yong)在拉桿加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)和(he)框架(jia)加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)無法(fa)(fa)應(ying)用(yong)(yong)(yong)的(de)某些特殊管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)上，如900彎管(guan)(guan)(guan)(guan)(guan)(guan)、三通(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)、悶頭管(guan)(guan)(guan)(guan)(guan)(guan)等。d.防下垂加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)法(fa)(fa)，它用(yong)(yong)(yong)于特殊管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)的(de)加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)，如變經管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)和(he)迂回管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)加(jia)(jia)(jia)固(gu)(gu)(gu)(gu)。