由于膨脹節作為(wei)(wei)(wei)一種(zhong)能(neng)(neng)自由伸縮的(de)(de)彈性補(bu)償元件,具有(you)工作可(ke)靠、性能(neng)(neng)良好、結構緊湊等(deng)優點,已(yi)廣(guang)泛應用(yong)(yong)在(zai)(zai)化工、冶金(jin)、核(he)能(neng)(neng)等(deng)部門。在(zai)(zai)容器(qi)上采用(yong)(yong)的(de)(de)膨脹節,有(you)多種(zhong)形(xing)式(shi)(shi),就(jiu)波紋的(de)(de)形(xing)狀而言(yan),以(yi)U形(xing)膨脹節應用(yong)(yong)得最為(wei)(wei)(wei)廣(guang)泛,其次(ci)還有(you)Ω形(xing)和C形(xing)等(deng)。而在(zai)(zai)管(guan)道上采用(yong)(yong)的(de)(de)膨脹節就(jiu)結構補(bu)償而言(yan),又(you)分為(wei)(wei)(wei)萬能(neng)(neng)式(shi)(shi)、壓(ya)力(li)平(ping)衡式(shi)(shi)、鉸鏈式(shi)(shi)以(yi)及萬向接(jie)頭式(shi)(shi)等(deng)。