變(bian)壓器風扇CFZ-7Q8在吸取國(guo)內外(wai)同類產品優點(dian)的(de)基礎上設(she)計制造(zao)，采用高效率(lv)，低(di)噪(zao)聲葉(xie)型，該(gai)葉(xie)輪采用優質防(fang)(fang)銹鋁板材或復合材料翼(yi)形葉(xie)片制造(zao)，配套(tao)電(dian)機(ji)為(wei)低(di)噪(zao)聲電(dian)動機(ji)。電(dian)機(ji)軸承(cheng)為(wei)雙密封電(dian)機(ji)軸承(cheng)。軸端設(she)計為(wei)雙套(tao)軸承(cheng)結(jie)構，加裝防(fang)(fang)水密封，具有(you)良好的(de)防(fang)(fang)護性(xing)能，其防(fang)(fang)護等級達(da)IP55，適用于戶(hu)外(wai)使(shi)用。因(yin)此，該(gai)產品具有(you)噪(zao)聲低(di)、效率(lv)高、性(xing)能穩定、運行可靠(kao)、使(shi)用壽(shou)命長(chang)等特點(dian)。

   電(dian)機溫(wen)升：電(dian)機采(cai)用(yong)(yong)(yong)B級絕緣(yuan)，定子繞組的溫(wen)升限值(zhi)（電(dian)阻法）≤45K，軸承允許(xu)溫(wen)度(du)（溫(wen)度(du)計法）≤95℃；軸承使用(yong)(yong)(yong)壽命在(zai)(zai)正常的使用(yong)(yong)(yong)條件下，能承受(shou)額(e)定負載連續(xu)運(yun)行，其(qi)使用(yong)(yong)(yong)壽命為10年，并(bing)能保證在(zai)(zai)*次大(da)修前安全運(yun)行時間不少于5年。

變(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)風(feng)扇(shan)(shan)CFZ-7Q8是按中(zhong)華人(ren)民共(gong)和國(guo)(guo)(guo)(guo)行(xing)業(ye)標(biao)準JB/T9545-2002《變(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)冷(leng)(leng)卻風(feng)扇(shan)(shan)用(yong)(yong)(yong)三相(xiang)異步電(dian)(dian)動機(ji)(ji)技(ji)(ji)術條件》和JB/T9642-1999《變(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)風(feng)扇(shan)(shan)》等標(biao)準設(she)計(ji)(ji)制造，主要用(yong)(yong)(yong)于大(da)中(zhong)型變(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)的(de)散熱冷(leng)(leng)卻系(xi)統，也可用(yong)(yong)(yong)于其它場所作吹排風(feng)使用(yong)(yong)(yong)，其噪(zao)(zao)(zao)(zao)聲比傳統產(chan)(chan)品(pin)平均降低(di)3-10db(A)。DBF-5Q8、DBF-5Q6分為(wei)4葉(xie)片和3葉(xie)片兩(liang)種訂貨時說明，技(ji)(ji)術參數如下：葉(xie)輪(lun)直徑：500mm.同步轉速(su)：1000r/min,風(feng)量：6500m3/h,全壓(ya)(ya)：120/140Pa,電(dian)(dian)流：1.33A,電(dian)(dian)壓(ya)(ya):380V.頻率：50Hz,功率：0.37Kw,噪(zao)(zao)(zao)(zao)聲：64/67Db,重量：18kg.DBF系(xi)列變(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)風(feng)扇(shan)(shan)適用(yong)(yong)(yong)于大(da)型電(dian)(dian)子變(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)、電(dian)(dian)爐變(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)的(de)冷(leng)(leng)卻系(xi)統。它是依據中(zhong)華人(ren)民共(gong)和國(guo)(guo)(guo)(guo)機(ji)(ji)械行(xing)業(ye)標(biao)準JB/T9642-1999＜＜變(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)風(feng)扇(shan)(shan)＞＞等標(biao)準設(she)計(ji)(ji)制造的(de)，該產(chan)(chan)品(pin)吸取了(le)國(guo)(guo)(guo)(guo)內(nei)外同類產(chan)(chan)品(pin)的(de)優點，具有優良的(de)空氣動力性能(neng)和噪(zao)(zao)(zao)(zao)聲低(di)、效率高(gao)、性能(neng)穩定、運行(xing)可靠(kao)(kao)、壽命長、防護分級(ji)高(gao)、安全可靠(kao)(kao)等特(te)點，是目(mu)前國(guo)(guo)(guo)(guo)內(nei)較(jiao)為(wei)*低(di)噪(zao)(zao)(zao)(zao)聲變(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)用(yong)(yong)(yong)風(feng)扇(shan)(shan)。該系(xi)列產(chan)(chan)品(pin)已被沈變(bian)(bian)、保變(bian)(bian)、西變(bian)(bian)、等近20家大(da)中(zhong)型變(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)廠配(pei)套(tao)使用(yong)(yong)(yong)。DBF系(xi)列變(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)風(feng)扇(shan)(shan)采用(yong)(yong)(yong)低(di)噪(zao)(zao)(zao)(zao)聲葉(xie)型，柳接葉(xie)型，鉚(liu)接葉(xie)輪(lun)，電(dian)(dian)機(ji)(ji)為(wei)為(wei)低(di)噪(zao)(zao)(zao)(zao)聲用(yong)(yong)(yong)電(dian)(dian)機(ji)(ji)，采用(yong)(yong)(yong)進口低(di)噪(zao)(zao)(zao)(zao)聲軸(zhou)承，電(dian)(dian)動機(ji)(ji)軸(zhou)伸端采用(yong)(yong)(yong)雙套(tao)軸(zhou)承結構，具有良好的(de)防護作用(yong)(yong)(yong)，電(dian)(dian)動機(ji)(ji)外殼防護分級(ji)為(wei)IP55，適用(yong)(yong)(yong)于戶外使用(yong)(yong)(yong)。