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填料改集式密封(feng)(feng)是一(yi)種(zhong)傳統(tong)的(de)接(jie)觸式密封(feng)(feng),應用(yong)(yong)較廣,結構簡(jian)單,更換(huan)方便,成本低廉。可用(yong)(yong)于旋(xuan)(xuan)轉、往復(fu)、螺旋(xuan)(xuan)運動(dong)的(de)密封(feng)(feng),對旋(xuan)(xuan)轉運動(dong)的(de)軸(zhou)允(yun)許有軸(zhou)向竄(cuan)動(dong),用(yong)(yong)于輸送一(yi)般介質,...