舟曲常規機械密封失效原因有哪些?
腐(fu)(fu)蝕(shi)原因:在工(gong)作介(jie)質(zhi)的影響下,機械(xie)密封器(qi)件受到了(le)侵蝕(shi),在其外(wai)部會(hui)出(chu)(chu)現(xian)(xian)一定的腐(fu)(fu)蝕(shi)面,如果不及時處(chu)理,會(hui)越來越嚴重,直至出(chu)(chu)現(xian)(xian)腐(fu)(fu)蝕(shi)穿透現(xian)(xian)象,同(tong)時,工(gong)作介(jie)質(zhi)還會(hui)使(shi)異種金(jin)...