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填(tian)料改集(ji)式密封(feng)是一種傳統的接(jie)觸式密封(feng),應(ying)用(yong)(yong)較廣,結構簡單(dan),更換(huan)方便,成本低廉。可用(yong)(yong)于(yu)(yu)旋轉、往復、螺旋運動(dong)(dong)的密封(feng),對旋轉運動(dong)(dong)的軸(zhou)允(yun)許有(you)軸(zhou)向竄動(dong)(dong),用(yong)(yong)于(yu)(yu)輸(shu)送一般介質,...