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風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)，是用(yong)于空氣輸送和分(fen)(fen)布(bu)的管(guan)(guan)(guan)道(dao)系統。有(you)復合(he)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)和無(wu)機風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)兩(liang)種。風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)可按截面(mian)形狀和材(cai)質分(fen)(fen)類。風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)制(zhi)作(zuo)不銹鋼風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)制(zhi)作(zuo)是在咬口縫(feng)、鉚釘縫(feng)、法(fa)蘭翻邊四角(jiao)等縫(feng)隙處涂上密(mi)封膠（如中性玻璃膠）。涂密(mi)封膠前應清(qing)除表面(mian)塵(chen)土(tu)和油污。按截面(mian)形狀，風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)可分(fen)(fen)為圓形風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)，矩(ju)形風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)，扁(bian)圓風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)等多種，其中圓形風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)阻力(li)小但高(gao)度尺(chi)寸大，制(zhi)作(zuo)復雜。所(suo)以(yi)應用(yong)以(yi)矩(ju)形風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)為主。按材(cai)質，風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)可分(fen)(fen)為金屬風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)，復合(he)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)，高(gao)分(fen)(fen)子風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)。