盧氏有關填料改集式密封的基礎知識點
填料改集式(shi)密(mi)(mi)(mi)封(feng)(feng)是一種傳統(tong)的接觸式(shi)密(mi)(mi)(mi)封(feng)(feng),應用(yong)較廣,結構簡單(dan),更換方(fang)便,成(cheng)本低(di)廉。可用(yong)于(yu)旋轉(zhuan)、往(wang)復、螺(luo)旋運動的密(mi)(mi)(mi)封(feng)(feng),對旋轉(zhuan)運動的軸允許(xu)有軸向竄(cuan)動,用(yong)于(yu)輸送一般介質,...