平定需牢記填料改集式密封的這些安裝要領
常用的密封(feng)(feng)型式主(zhu)要(yao)有填(tian)(tian)料密封(feng)(feng)、機(ji)械密封(feng)(feng)等(deng),填(tian)(tian)料密封(feng)(feng)。填(tian)(tian)料改集(ji)式密封(feng)(feng)是一(yi)種較為原始(shi)的接觸式密封(feng)(feng),具(ju)有結(jie)構簡單、成本(ben)低、更換簡便等(deng)優(you)點(dian),由于這些優(you)點(dian),因而在石油(you)工業...