和田需牢記填料改集式密封的這些安裝要領
常(chang)用的密(mi)封(feng)(feng)(feng)型式主(zhu)要有填(tian)(tian)料密(mi)封(feng)(feng)(feng)、機械密(mi)封(feng)(feng)(feng)等(deng),填(tian)(tian)料密(mi)封(feng)(feng)(feng)。填(tian)(tian)料改(gai)集式密(mi)封(feng)(feng)(feng)是一種較為原始的接(jie)觸式密(mi)封(feng)(feng)(feng),具(ju)有結構簡單、成本(ben)低(di)、更換簡便等(deng)優(you)(you)點(dian)(dian),由于這些優(you)(you)點(dian)(dian),因而在(zai)石(shi)油工業...