泰山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(shi)(shi)主要(yao)有填(tian)料密(mi)封(feng)(feng)(feng)、機械(xie)密(mi)封(feng)(feng)(feng)等,填(tian)料密(mi)封(feng)(feng)(feng)。填(tian)料改集式(shi)(shi)密(mi)封(feng)(feng)(feng)是(shi)一種較(jiao)為原始的接觸式(shi)(shi)密(mi)封(feng)(feng)(feng),具(ju)有結構簡(jian)單、成本低(di)、更換簡(jian)便等優點,由于(yu)這些(xie)優點,因(yin)而在石油(you)工業...