佛羅鎮需牢記填料改集式密封的這些安裝要領
常(chang)用的(de)密(mi)封(feng)型式(shi)主要有(you)填(tian)(tian)料密(mi)封(feng)、機械密(mi)封(feng)等(deng),填(tian)(tian)料密(mi)封(feng)。填(tian)(tian)料改集式(shi)密(mi)封(feng)是(shi)一種(zhong)較為原始的(de)接觸式(shi)密(mi)封(feng),具有(you)結(jie)構簡(jian)(jian)單、成本低、更換(huan)簡(jian)(jian)便等(deng)優點(dian),由于這些優點(dian),因(yin)而(er)在石油(you)工(gong)業...