由(you)于(yu)膨(peng)(peng)脹(zhang)(zhang)節作(zuo)為一種(zhong)能(neng)自由(you)伸縮的彈性(xing)補償元件,具有工作(zuo)可靠、性(xing)能(neng)良好、結構緊湊等(deng)優(you)點,已廣(guang)泛應用(yong)(yong)在化工、冶金、核(he)能(neng)等(deng)部門。在容器上(shang)采用(yong)(yong)的膨(peng)(peng)脹(zhang)(zhang)節,有多種(zhong)形(xing)式(shi),就波紋的形(xing)狀而言,以(yi)U形(xing)膨(peng)(peng)脹(zhang)(zhang)節應用(yong)(yong)得最為廣(guang)泛,其次還有Ω形(xing)和C形(xing)等(deng)。而在管道上(shang)采用(yong)(yong)的膨(peng)(peng)脹(zhang)(zhang)節就結構補償而言,又(you)分(fen)為萬(wan)能(neng)式(shi)、壓力平衡式(shi)、鉸鏈式(shi)以(yi)及萬(wan)向接頭式(shi)等(deng)。