江州需牢記填料改集式密封的這些安裝要領
常(chang)用的(de)密(mi)(mi)封(feng)(feng)型式(shi)主要(yao)有(you)填(tian)料密(mi)(mi)封(feng)(feng)、機(ji)械密(mi)(mi)封(feng)(feng)等,填(tian)料密(mi)(mi)封(feng)(feng)。填(tian)料改集式(shi)密(mi)(mi)封(feng)(feng)是(shi)一種較為(wei)原(yuan)始(shi)的(de)接觸式(shi)密(mi)(mi)封(feng)(feng),具(ju)有(you)結(jie)構簡單、成本低、更換簡便等優點(dian),由于這些優點(dian),因而在石油工業...