曾都有關填料改集式密封的基礎知識點
填料改集(ji)式密封是一種傳統(tong)的(de)接(jie)觸式密封,應用(yong)較廣,結構簡單(dan),更(geng)換方便,成(cheng)本低(di)廉。可用(yong)于(yu)旋(xuan)(xuan)轉、往復、螺(luo)旋(xuan)(xuan)運(yun)動(dong)(dong)的(de)密封,對旋(xuan)(xuan)轉運(yun)動(dong)(dong)的(de)軸允許有軸向竄動(dong)(dong),用(yong)于(yu)輸送一般介質(zhi),...