淮濱需牢記填料改集式密封的這些安裝要領
常用的密(mi)(mi)(mi)封(feng)(feng)(feng)型式(shi)主要有填料密(mi)(mi)(mi)封(feng)(feng)(feng)、機械(xie)密(mi)(mi)(mi)封(feng)(feng)(feng)等,填料密(mi)(mi)(mi)封(feng)(feng)(feng)。填料改集式(shi)密(mi)(mi)(mi)封(feng)(feng)(feng)是一(yi)種較為原(yuan)始(shi)的接觸式(shi)密(mi)(mi)(mi)封(feng)(feng)(feng),具有結構(gou)簡單(dan)、成本(ben)低、更換簡便等優(you)(you)點,由于這些優(you)(you)點,因而(er)在石油(you)工業...