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補(bu)償器習慣上(shang)也叫膨脹(zhang)節,或(huo)伸(shen)縮節。由(you)構成其工(gong)(gong)作(zuo)主體的波紋管(guan)(guan)(guan)(一種(zhong)彈性(xing)元件)和(he)端(duan)管(guan)(guan)(guan)、支架、法(fa)蘭、導(dao)管(guan)(guan)(guan)等(deng)(deng)附件組(zu)成。 屬于(yu)一種(zhong)補(bu)償元件。利用其工(gong)(gong)作(zuo)主體波紋管(guan)(guan)(guan)的有(you)效伸(shen)縮變形(xing),以(yi)吸(xi)收管(guan)(guan)(guan)線、導(dao)管(guan)(guan)(guan)、容器等(deng)(deng)由(you)熱(re)(re)脹(zhang)冷縮等(deng)(deng)原因而產生的尺寸變化,或(huo)補(bu)償管(guan)(guan)(guan)線、導(dao)管(guan)(guan)(guan)、容器等(deng)(deng)的軸向(xiang)(xiang)、橫向(xiang)(xiang)和(he)角(jiao)向(xiang)(xiang)位移。也可用于(yu)降噪減(jian)振。在(zai)現代(dai)工(gong)(gong)業中用途(tu)廣泛。供熱(re)(re)上(shang),為了防(fang)止供熱(re)(re)管(guan)(guan)(guan)道(dao)(dao)升(sheng)溫(wen)時,由(you)于(yu)熱(re)(re)伸(shen)長(chang)或(huo)溫(wen)度應力而引(yin)起(qi)管(guan)(guan)(guan)道(dao)(dao)變形(xing)或(huo)破壞,需要(yao)在(zai)管(guan)(guan)(guan)道(dao)(dao)上(shang)設置補(bu)償器,以(yi)補(bu)償管(guan)(guan)(guan)道(dao)(dao)的熱(re)(re)伸(shen)長(chang),從而減(jian)小(xiao)管(guan)(guan)(guan)壁的應力和(he)作(zuo)用在(zai)閥件或(huo)支架結構上(shang)的作(zuo)用力。