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填料改集式(shi)(shi)密(mi)封(feng)(feng)是(shi)一種傳統的接觸式(shi)(shi)密(mi)封(feng)(feng),應(ying)用(yong)較廣(guang),結(jie)構(gou)簡單,更換方便,成本低(di)廉(lian)。可用(yong)于(yu)旋轉、往復、螺(luo)旋運動(dong)的密(mi)封(feng)(feng),對旋轉運動(dong)的軸(zhou)允許(xu)有軸(zhou)向(xiang)竄動(dong),用(yong)于(yu)輸送一般介質(zhi),...