4-72型(xing)(xing)離(li)心(xin)(xin)式通(tong)風(feng)(feng)機(ji)(ji)(ji)可輸送(song)空(kong)氣(qi)(qi)和其(qi)他不自(zi)燃(ran)的(de)、對(dui)人體無害的(de)、對(dui)鋼(gang)材無腐(fu)蝕性(xing)(xing)的(de)氣(qi)(qi)體。氣(qi)(qi)體內(nei)不允許有粘(zhan)性(xing)(xing)物質(zhi)，所含塵土及硬(ying)質(zhi)顆(ke)粒物不大(da)于(yu)(yu)150mg/立方(fang)。氣(qi)(qi)體溫度不得(de)超過(guo)80°C。該風(feng)(feng)機(ji)(ji)(ji)具有良好的(de)氣(qi)(qi)動(dong)性(xing)(xing)能(neng)(neng)、運轉(zhuan)平衡、振動(dong)小(xiao)、效率高、壽(shou)命(ming)長等(deng)特點。廣泛(fan)適用于(yu)(yu)工(gong)礦(kuang)企業、大(da)型(xing)(xing)建筑物、賓館酒樓等(deng)室內(nei)通(tong)氣(qi)(qi)換氣(qi)(qi)。B4-72型(xing)(xing)防爆型(xing)(xing)離(li)心(xin)(xin)式通(tong)風(feng)(feng)機(ji)(ji)(ji)、主要(yao)有鋁葉輪、機(ji)(ji)(ji)殼、進風(feng)(feng)口等(deng)部分與(yu)防暴(bao)電機(ji)(ji)(ji)組(zu)成(cheng)、可作為易燃(ran)揮發性(xing)(xing)氣(qi)(qi)體的(de)通(tong)風(feng)(feng)換氣(qi)(qi)只(zhi)用、其(qi)性(xing)(xing)能(neng)(neng)和安(an)裝(zhuang)尺寸同于(yu)(yu)4-72型(xing)(xing)。F4-72型(xing)(xing)為防腐(fu)型(xing)(xing)離(li)心(xin)(xin)式通(tong)風(feng)(feng)機(ji)(ji)(ji)，主要(yao)用不銹鋼(gang)（或玻璃鋼(gang)）材質(zhi)制(zhi)成(cheng)的(de)葉輪、機(ji)(ji)(ji)殼、進風(feng)(feng)口等(deng)部分與(yu)電機(ji)(ji)(ji)組(zu)成(cheng)，可用于(yu)(yu)輸送(song)腐(fu)蝕性(xing)(xing)氣(qi)(qi)體，其(qi)性(xing)(xing)能(neng)(neng)與(yu)安(an)裝(zhuang)尺寸同于(yu)(yu)4-72型(xing)(xing)。