中堂鎮有關填料改集式密封的基礎知識點
填(tian)料(liao)改集式密(mi)(mi)封(feng)是一種傳統(tong)的接觸式密(mi)(mi)封(feng),應(ying)用(yong)較廣,結(jie)構簡單(dan),更(geng)換方便,成本低廉(lian)。可用(yong)于(yu)旋轉、往復、螺旋運(yun)動(dong)的密(mi)(mi)封(feng),對旋轉運(yun)動(dong)的軸允許有軸向竄動(dong),用(yong)于(yu)輸送(song)一般(ban)介質,...