4-72型離心式(shi)通(tong)(tong)(tong)(tong)風(feng)機(ji)(ji)(ji)可輸送(song)空氣(qi)和其(qi)他不(bu)(bu)自燃(ran)的(de)(de)、對(dui)人體(ti)(ti)無(wu)害(hai)的(de)(de)、對(dui)鋼(gang)材無(wu)腐(fu)蝕(shi)性(xing)(xing)(xing)的(de)(de)氣(qi)體(ti)(ti)。氣(qi)體(ti)(ti)內不(bu)(bu)允許有粘性(xing)(xing)(xing)物質(zhi)，所(suo)含塵土及(ji)硬質(zhi)顆粒物不(bu)(bu)大(da)于(yu)150mg/立(li)方。氣(qi)體(ti)(ti)溫度(du)不(bu)(bu)得超(chao)過80°C。該風(feng)機(ji)(ji)(ji)具有良好(hao)的(de)(de)氣(qi)動(dong)性(xing)(xing)(xing)能、運(yun)轉平衡、振(zhen)動(dong)小、效(xiao)率(lv)高、壽命長等(deng)特點。廣泛適用(yong)(yong)(yong)于(yu)工礦企業、大(da)型建筑物、賓館酒樓(lou)等(deng)室內通(tong)(tong)(tong)(tong)氣(qi)換(huan)氣(qi)。B4-72型防爆型離心式(shi)通(tong)(tong)(tong)(tong)風(feng)機(ji)(ji)(ji)、主要有鋁(lv)葉輪(lun)、機(ji)(ji)(ji)殼(ke)、進(jin)風(feng)口(kou)等(deng)部(bu)分與(yu)防暴電(dian)機(ji)(ji)(ji)組成、可作(zuo)為易(yi)燃(ran)揮發性(xing)(xing)(xing)氣(qi)體(ti)(ti)的(de)(de)通(tong)(tong)(tong)(tong)風(feng)換(huan)氣(qi)只用(yong)(yong)(yong)、其(qi)性(xing)(xing)(xing)能和安裝尺寸同于(yu)4-72型。F4-72型為防腐(fu)型離心式(shi)通(tong)(tong)(tong)(tong)風(feng)機(ji)(ji)(ji)，主要用(yong)(yong)(yong)不(bu)(bu)銹(xiu)鋼(gang)（或玻璃鋼(gang)）材質(zhi)制成的(de)(de)葉輪(lun)、機(ji)(ji)(ji)殼(ke)、進(jin)風(feng)口(kou)等(deng)部(bu)分與(yu)電(dian)機(ji)(ji)(ji)組成，可用(yong)(yong)(yong)于(yu)輸送(song)腐(fu)蝕(shi)性(xing)(xing)(xing)氣(qi)體(ti)(ti)，其(qi)性(xing)(xing)(xing)能與(yu)安裝尺寸同于(yu)4-72型。