4-72型(xing)(xing)離心式(shi)通(tong)(tong)風(feng)(feng)機(ji)(ji)(ji)可輸(shu)送空氣(qi)(qi)(qi)(qi)(qi)和其他不自燃的(de)(de)、對人體(ti)(ti)無(wu)害的(de)(de)、對鋼材無(wu)腐(fu)(fu)蝕(shi)性(xing)(xing)(xing)的(de)(de)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)。氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)內(nei)不允許有(you)粘性(xing)(xing)(xing)物(wu)質，所含塵土及硬質顆粒物(wu)不大(da)于150mg/立(li)方。氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)溫度(du)不得超過80°C。該風(feng)(feng)機(ji)(ji)(ji)具有(you)良好的(de)(de)氣(qi)(qi)(qi)(qi)(qi)動性(xing)(xing)(xing)能、運轉平衡(heng)、振(zhen)動小、效率高、壽命長等特(te)點(dian)。廣泛適用(yong)于工礦(kuang)企業、大(da)型(xing)(xing)建筑物(wu)、賓館酒樓等室內(nei)通(tong)(tong)氣(qi)(qi)(qi)(qi)(qi)換氣(qi)(qi)(qi)(qi)(qi)。B4-72型(xing)(xing)防(fang)爆型(xing)(xing)離心式(shi)通(tong)(tong)風(feng)(feng)機(ji)(ji)(ji)、主要有(you)鋁葉(xie)輪(lun)、機(ji)(ji)(ji)殼、進(jin)風(feng)(feng)口(kou)等部分與(yu)防(fang)暴電(dian)機(ji)(ji)(ji)組(zu)成、可作為(wei)易燃揮(hui)發性(xing)(xing)(xing)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)的(de)(de)通(tong)(tong)風(feng)(feng)換氣(qi)(qi)(qi)(qi)(qi)只用(yong)、其性(xing)(xing)(xing)能和安(an)裝(zhuang)尺寸(cun)同(tong)于4-72型(xing)(xing)。F4-72型(xing)(xing)為(wei)防(fang)腐(fu)(fu)型(xing)(xing)離心式(shi)通(tong)(tong)風(feng)(feng)機(ji)(ji)(ji)，主要用(yong)不銹鋼（或玻(bo)璃(li)鋼）材質制成的(de)(de)葉(xie)輪(lun)、機(ji)(ji)(ji)殼、進(jin)風(feng)(feng)口(kou)等部分與(yu)電(dian)機(ji)(ji)(ji)組(zu)成，可用(yong)于輸(shu)送腐(fu)(fu)蝕(shi)性(xing)(xing)(xing)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)，其性(xing)(xing)(xing)能與(yu)安(an)裝(zhuang)尺寸(cun)同(tong)于4-72型(xing)(xing)。