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風(feng)(feng)管(guan)(guan)(guan),是(shi)用(yong)于空氣輸送和(he)分布的管(guan)(guan)(guan)道系(xi)統。有復(fu)合風(feng)(feng)管(guan)(guan)(guan)和(he)無機(ji)風(feng)(feng)管(guan)(guan)(guan)兩種。風(feng)(feng)管(guan)(guan)(guan)可按(an)截(jie)面(mian)形(xing)狀和(he)材(cai)質(zhi)分類。風(feng)(feng)管(guan)(guan)(guan)制(zhi)作(zuo)不銹鋼風(feng)(feng)管(guan)(guan)(guan)制(zhi)作(zuo)是(shi)在咬口縫(feng)(feng)、鉚釘(ding)縫(feng)(feng)、法蘭翻(fan)邊(bian)四角等縫(feng)(feng)隙處(chu)涂上(shang)密(mi)(mi)封膠(jiao)(jiao)(如中性玻璃(li)膠(jiao)(jiao))。涂密(mi)(mi)封膠(jiao)(jiao)前應清除表面(mian)塵(chen)土和(he)油污。按(an)截(jie)面(mian)形(xing)狀,風(feng)(feng)管(guan)(guan)(guan)可分為圓形(xing)風(feng)(feng)管(guan)(guan)(guan),矩(ju)(ju)形(xing)風(feng)(feng)管(guan)(guan)(guan),扁圓風(feng)(feng)管(guan)(guan)(guan)等多(duo)種,其(qi)中圓形(xing)風(feng)(feng)管(guan)(guan)(guan)阻力小但高度尺寸(cun)大,制(zhi)作(zuo)復(fu)雜。所以(yi)應用(yong)以(yi)矩(ju)(ju)形(xing)風(feng)(feng)管(guan)(guan)(guan)為主(zhu)。按(an)材(cai)質(zhi),風(feng)(feng)管(guan)(guan)(guan)可分為金屬風(feng)(feng)管(guan)(guan)(guan),復(fu)合風(feng)(feng)管(guan)(guan)(guan),高分子風(feng)(feng)管(guan)(guan)(guan)。