風(feng)(feng)(feng)(feng)(feng)(feng)管(guan),是用于(yu)空氣輸送和分(fen)布的管(guan)道系統。有復(fu)(fu)合風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)和無機風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)兩種。復(fu)(fu)合風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)以Durkduct風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)為(wei)代(dai)表。可(ke)按(an)截面(mian)(mian)形(xing)狀(zhuang)和材質分(fen)類。風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)制作(zuo)不(bu)銹鋼(gang)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)制作(zuo)是在咬口縫(feng)、鉚釘縫(feng)、法蘭翻邊四角等(deng)縫(feng)隙處涂上密(mi)封膠(jiao)(如(ru)中性玻璃(li)膠(jiao))。涂密(mi)封膠(jiao)前應清除(chu)表面(mian)(mian)塵土和油污。按(an)截面(mian)(mian)形(xing)狀(zhuang),風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)可(ke)分(fen)為(wei)圓(yuan)形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan),矩形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan),扁圓(yuan)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)等(deng)多(duo)種,其中圓(yuan)形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)阻(zu)力最小但高度(du)尺(chi)寸最大,制作(zuo)復(fu)(fu)雜(za)。所以應用以矩形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)為(wei)主。按(an)材質,風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)可(ke)分(fen)為(wei)金(jin)屬風(feng)(feng)(feng)(feng)(feng)(feng)管(guan),復(fu)(fu)合風(feng)(feng)(feng)(feng)(feng)(feng)管(guan),高分(fen)子風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)。