4-72型(xing)(xing)(xing)離(li)心(xin)式通(tong)風(feng)機(ji)(ji)可(ke)(ke)輸(shu)送空(kong)氣(qi)和其(qi)他不(bu)自燃(ran)的(de)(de)、對(dui)人(ren)體(ti)無(wu)害的(de)(de)、對(dui)鋼材無(wu)腐(fu)蝕(shi)性(xing)的(de)(de)氣(qi)體(ti)。氣(qi)體(ti)內不(bu)允許有(you)粘性(xing)物質(zhi)(zhi)，所含塵土及硬質(zhi)(zhi)顆粒物不(bu)大(da)于(yu)150mg/立方。氣(qi)體(ti)溫度不(bu)得(de)超過80°C。該(gai)風(feng)機(ji)(ji)具(ju)有(you)良好(hao)的(de)(de)氣(qi)動性(xing)能(neng)(neng)、運(yun)轉平衡、振動小、效(xiao)率高(gao)、壽(shou)命長等(deng)(deng)特點。廣(guang)泛適用(yong)于(yu)工礦企業、大(da)型(xing)(xing)(xing)建筑物、賓館(guan)酒樓等(deng)(deng)室(shi)內通(tong)氣(qi)換(huan)氣(qi)。B4-72型(xing)(xing)(xing)防(fang)(fang)爆型(xing)(xing)(xing)離(li)心(xin)式通(tong)風(feng)機(ji)(ji)、主要有(you)鋁(lv)葉輪、機(ji)(ji)殼、進(jin)風(feng)口等(deng)(deng)部分(fen)與防(fang)(fang)暴電機(ji)(ji)組成(cheng)、可(ke)(ke)作(zuo)為(wei)易燃(ran)揮(hui)發性(xing)氣(qi)體(ti)的(de)(de)通(tong)風(feng)換(huan)氣(qi)只用(yong)、其(qi)性(xing)能(neng)(neng)和安裝(zhuang)尺寸(cun)同(tong)于(yu)4-72型(xing)(xing)(xing)。F4-72型(xing)(xing)(xing)為(wei)防(fang)(fang)腐(fu)型(xing)(xing)(xing)離(li)心(xin)式通(tong)風(feng)機(ji)(ji)，主要用(yong)不(bu)銹(xiu)鋼（或玻璃鋼）材質(zhi)(zhi)制成(cheng)的(de)(de)葉輪、機(ji)(ji)殼、進(jin)風(feng)口等(deng)(deng)部分(fen)與電機(ji)(ji)組成(cheng)，可(ke)(ke)用(yong)于(yu)輸(shu)送腐(fu)蝕(shi)性(xing)氣(qi)體(ti)，其(qi)性(xing)能(neng)(neng)與安裝(zhuang)尺寸(cun)同(tong)于(yu)4-72型(xing)(xing)(xing)。