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填料改集(ji)式密(mi)封(feng)是(shi)一(yi)種傳統的接(jie)觸式密(mi)封(feng),應用(yong)較廣,結構(gou)簡單,更(geng)換方便,成(cheng)本低(di)廉。可(ke)用(yong)于旋(xuan)轉(zhuan)、往復、螺旋(xuan)運動(dong)的密(mi)封(feng),對旋(xuan)轉(zhuan)運動(dong)的軸(zhou)(zhou)允(yun)許有軸(zhou)(zhou)向竄動(dong),用(yong)于輸送(song)一(yi)般介質,...