老街街道如何延長金屬波紋管機械密封的使用壽命
金屬(shu)波(bo)(bo)(bo)紋(wen)(wen)管機械密封(feng)的應用(yong)(yong)范圍很廣,從(cong)低(di)溫(wen)到(dao)高(gao)溫(wen),從(cong)中性(xing)介(jie)質(zhi)到(dao)腐蝕性(xing)介(jie)質(zhi),從(cong)低(di)速(su)到(dao)高(gao)速(su),從(cong)普通(tong)到(dao)苛刻的工(gong)作條件都可選用(yong)(yong)。波(bo)(bo)(bo)紋(wen)(wen)管有橡膠波(bo)(bo)(bo)紋(wen)(wen)管及蛇形(xing)套、塑料波(bo)(bo)(bo)紋(wen)(wen)管和金...