由(you)于膨(peng)(peng)脹(zhang)節(jie)作(zuo)為一(yi)種能(neng)(neng)自(zi)由(you)伸縮的彈(dan)性(xing)補(bu)償元件,具有工(gong)作(zuo)可靠(kao)、性(xing)能(neng)(neng)良(liang)好、結構(gou)緊湊(cou)等(deng)優點,已廣(guang)泛(fan)應用(yong)在(zai)化工(gong)、冶金(jin)、核能(neng)(neng)等(deng)部(bu)門。在(zai)容器上(shang)采(cai)用(yong)的膨(peng)(peng)脹(zhang)節(jie),有多種形(xing)式,就(jiu)波紋的形(xing)狀而(er)言,以(yi)U形(xing)膨(peng)(peng)脹(zhang)節(jie)應用(yong)得(de)最為廣(guang)泛(fan),其次還有Ω形(xing)和C形(xing)等(deng)。而(er)在(zai)管道上(shang)采(cai)用(yong)的膨(peng)(peng)脹(zhang)節(jie)就(jiu)結構(gou)補(bu)償而(er)言,又(you)分(fen)為萬(wan)能(neng)(neng)式、壓力(li)平衡式、鉸鏈式以(yi)及萬(wan)向接頭(tou)式等(deng)。