安陸需牢記填料改集式密封的這些安裝要領
常用(yong)的密封(feng)(feng)型式(shi)主要有填(tian)(tian)料(liao)密封(feng)(feng)、機械密封(feng)(feng)等(deng),填(tian)(tian)料(liao)密封(feng)(feng)。填(tian)(tian)料(liao)改(gai)集式(shi)密封(feng)(feng)是(shi)一種較為(wei)原始的接(jie)觸式(shi)密封(feng)(feng),具有結構(gou)簡單、成(cheng)本低(di)、更換簡便(bian)等(deng)優點(dian),由于這(zhe)些優點(dian),因(yin)而在石油工業...