4-72型(xing)離(li)心式(shi)通(tong)(tong)風(feng)(feng)機(ji)可輸送(song)空(kong)氣(qi)(qi)(qi)(qi)(qi)和(he)其他不(bu)自(zi)燃的、對人體(ti)(ti)無害的、對鋼材無腐蝕(shi)性(xing)(xing)的氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)。氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)內(nei)不(bu)允許(xu)有(you)(you)粘性(xing)(xing)物(wu)(wu)(wu)質(zhi)(zhi)，所含(han)塵土及硬質(zhi)(zhi)顆粒物(wu)(wu)(wu)不(bu)大于150mg/立方。氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)溫度不(bu)得超過80°C。該(gai)風(feng)(feng)機(ji)具有(you)(you)良好的氣(qi)(qi)(qi)(qi)(qi)動(dong)性(xing)(xing)能(neng)、運(yun)轉(zhuan)平衡、振(zhen)動(dong)小、效率(lv)高(gao)、壽命長等(deng)特點。廣泛適用(yong)于工礦企業、大型(xing)建(jian)筑物(wu)(wu)(wu)、賓館(guan)酒樓(lou)等(deng)室內(nei)通(tong)(tong)氣(qi)(qi)(qi)(qi)(qi)換(huan)氣(qi)(qi)(qi)(qi)(qi)。B4-72型(xing)防爆型(xing)離(li)心式(shi)通(tong)(tong)風(feng)(feng)機(ji)、主要(yao)有(you)(you)鋁(lv)葉輪、機(ji)殼(ke)、進(jin)風(feng)(feng)口等(deng)部(bu)分與(yu)(yu)(yu)防暴(bao)電機(ji)組(zu)成(cheng)(cheng)、可作為易燃揮發性(xing)(xing)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)的通(tong)(tong)風(feng)(feng)換(huan)氣(qi)(qi)(qi)(qi)(qi)只(zhi)用(yong)、其性(xing)(xing)能(neng)和(he)安裝(zhuang)尺寸(cun)同于4-72型(xing)。F4-72型(xing)為防腐型(xing)離(li)心式(shi)通(tong)(tong)風(feng)(feng)機(ji)，主要(yao)用(yong)不(bu)銹鋼（或玻璃鋼）材質(zhi)(zhi)制(zhi)成(cheng)(cheng)的葉輪、機(ji)殼(ke)、進(jin)風(feng)(feng)口等(deng)部(bu)分與(yu)(yu)(yu)電機(ji)組(zu)成(cheng)(cheng)，可用(yong)于輸送(song)腐蝕(shi)性(xing)(xing)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)，其性(xing)(xing)能(neng)與(yu)(yu)(yu)安裝(zhuang)尺寸(cun)同于4-72型(xing)。