調樓鎮需牢記填料改集式密封的這些安裝要領
常用的密(mi)封(feng)(feng)(feng)型式主要有(you)填(tian)料密(mi)封(feng)(feng)(feng)、機械密(mi)封(feng)(feng)(feng)等,填(tian)料密(mi)封(feng)(feng)(feng)。填(tian)料改(gai)集式密(mi)封(feng)(feng)(feng)是一(yi)種較(jiao)為原始的接觸式密(mi)封(feng)(feng)(feng),具有(you)結構簡單、成本(ben)低、更換簡便等優(you)點(dian),由(you)于這些(xie)優(you)點(dian),因而在石油(you)工業...