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填料改集式密(mi)封(feng)是一種(zhong)傳統的(de)接觸式密(mi)封(feng),應用(yong)(yong)較(jiao)廣,結構簡單(dan),更換方便(bian),成本低廉。可用(yong)(yong)于旋(xuan)轉、往復、螺旋(xuan)運(yun)動(dong)的(de)密(mi)封(feng),對旋(xuan)轉運(yun)動(dong)的(de)軸允許有軸向竄(cuan)動(dong),用(yong)(yong)于輸(shu)送一般介質,...