補(bu)(bu)償(chang)器習(xi)慣上也(ye)叫(jiao)膨脹節,或伸(shen)縮(suo)節。由構成其工(gong)作(zuo)主(zhu)體(ti)的(de)波紋(wen)管(guan)(guan)(guan)(guan)(一種彈性(xing)元(yuan)件)和(he)端管(guan)(guan)(guan)(guan)、支(zhi)架、法(fa)蘭、導(dao)管(guan)(guan)(guan)(guan)等(deng)附件組成。 屬(shu)于(yu)(yu)一種補(bu)(bu)償(chang)元(yuan)件。利用(yong)其工(gong)作(zuo)主(zhu)體(ti)波紋(wen)管(guan)(guan)(guan)(guan)的(de)有(you)效伸(shen)縮(suo)變(bian)形(xing),以吸收管(guan)(guan)(guan)(guan)線(xian)、導(dao)管(guan)(guan)(guan)(guan)、容(rong)器等(deng)由熱(re)(re)脹冷(leng)縮(suo)等(deng)原(yuan)因(yin)而產生的(de)尺寸變(bian)化,或補(bu)(bu)償(chang)管(guan)(guan)(guan)(guan)線(xian)、導(dao)管(guan)(guan)(guan)(guan)、容(rong)器等(deng)的(de)軸向(xiang)(xiang)、橫向(xiang)(xiang)和(he)角向(xiang)(xiang)位移(yi)。也(ye)可用(yong)于(yu)(yu)降噪減振。在現代(dai)工(gong)業中用(yong)途廣泛。供(gong)熱(re)(re)上,為了防止供(gong)熱(re)(re)管(guan)(guan)(guan)(guan)道升溫時,由于(yu)(yu)熱(re)(re)伸(shen)長(chang)或溫度(du)應力(li)而引起管(guan)(guan)(guan)(guan)道變(bian)形(xing)或破壞,需(xu)要在管(guan)(guan)(guan)(guan)道上設置補(bu)(bu)償(chang)器,以補(bu)(bu)償(chang)管(guan)(guan)(guan)(guan)道的(de)熱(re)(re)伸(shen)長(chang),從而減小(xiao)管(guan)(guan)(guan)(guan)壁的(de)應力(li)和(he)作(zuo)用(yong)在閥件或支(zhi)架結構上的(de)作(zuo)用(yong)力(li)。