4-72型(xing)(xing)(xing)離心(xin)式通(tong)風(feng)(feng)(feng)機(ji)(ji)可(ke)輸送空氣和其(qi)他不(bu)(bu)自(zi)燃的(de)(de)、對人體(ti)無害的(de)(de)、對鋼(gang)材(cai)無腐(fu)蝕(shi)性(xing)(xing)的(de)(de)氣體(ti)。氣體(ti)內不(bu)(bu)允(yun)許有(you)粘性(xing)(xing)物(wu)質，所含塵土及硬(ying)質顆粒(li)物(wu)不(bu)(bu)大于(yu)(yu)(yu)150mg/立方。氣體(ti)溫度不(bu)(bu)得(de)超過80°C。該風(feng)(feng)(feng)機(ji)(ji)具(ju)有(you)良好的(de)(de)氣動性(xing)(xing)能、運轉平衡(heng)、振動小、效率(lv)高、壽命長等(deng)特(te)點。廣泛適(shi)用于(yu)(yu)(yu)工礦企業、大型(xing)(xing)(xing)建筑物(wu)、賓(bin)館(guan)酒樓等(deng)室內通(tong)氣換氣。B4-72型(xing)(xing)(xing)防(fang)爆型(xing)(xing)(xing)離心(xin)式通(tong)風(feng)(feng)(feng)機(ji)(ji)、主(zhu)要有(you)鋁(lv)葉輪、機(ji)(ji)殼(ke)、進風(feng)(feng)(feng)口等(deng)部分與防(fang)暴電機(ji)(ji)組(zu)成(cheng)(cheng)(cheng)、可(ke)作(zuo)為易燃揮(hui)發(fa)性(xing)(xing)氣體(ti)的(de)(de)通(tong)風(feng)(feng)(feng)換氣只用、其(qi)性(xing)(xing)能和安(an)裝尺(chi)寸(cun)同于(yu)(yu)(yu)4-72型(xing)(xing)(xing)。F4-72型(xing)(xing)(xing)為防(fang)腐(fu)型(xing)(xing)(xing)離心(xin)式通(tong)風(feng)(feng)(feng)機(ji)(ji)，主(zhu)要用不(bu)(bu)銹鋼(gang)（或玻(bo)璃(li)鋼(gang)）材(cai)質制(zhi)成(cheng)(cheng)(cheng)的(de)(de)葉輪、機(ji)(ji)殼(ke)、進風(feng)(feng)(feng)口等(deng)部分與電機(ji)(ji)組(zu)成(cheng)(cheng)(cheng)，可(ke)用于(yu)(yu)(yu)輸送腐(fu)蝕(shi)性(xing)(xing)氣體(ti)，其(qi)性(xing)(xing)能與安(an)裝尺(chi)寸(cun)同于(yu)(yu)(yu)4-72型(xing)(xing)(xing)。