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由于膨(peng)(peng)脹節作為一(yi)種能(neng)自由伸(shen)縮的彈性(xing)補償元件,具有(you)(you)工(gong)作可靠、性(xing)能(neng)良好、結構緊(jin)湊等(deng)優(you)點,已廣泛應用在(zai)化(hua)工(gong)、冶金(jin)、核能(neng)等(deng)部門。在(zai)容器上采(cai)用的膨(peng)(peng)脹節,有(you)(you)多種形(xing)(xing)(xing)(xing)式(shi)(shi),就波紋的形(xing)(xing)(xing)(xing)狀而言,以U形(xing)(xing)(xing)(xing)膨(peng)(peng)脹節應用得最為廣泛,其次(ci)還有(you)(you)Ω形(xing)(xing)(xing)(xing)和C形(xing)(xing)(xing)(xing)等(deng)。而在(zai)管道(dao)上采(cai)用的膨(peng)(peng)脹節就結構補償而言,又分為萬能(neng)式(shi)(shi)、壓力(li)平衡式(shi)(shi)、鉸鏈式(shi)(shi)以及萬向接頭(tou)式(shi)(shi)等(deng)。