精河常規機械密封失效原因有哪些?
腐蝕(shi)原因:在工(gong)作介質(zhi)的(de)(de)影響下,機(ji)械密封(feng)器件受到了侵蝕(shi),在其外部會(hui)出(chu)現(xian)一定的(de)(de)腐蝕(shi)面,如果不及時處(chu)理,會(hui)越(yue)來越(yue)嚴重(zhong),直至(zhi)出(chu)現(xian)腐蝕(shi)穿透現(xian)象,同時,工(gong)作介質(zhi)還會(hui)使(shi)異(yi)種金(jin)...