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補償器習慣上也叫膨脹節,或伸縮節。由構成其工作主體的波紋管(一種彈性元件)和端管、支架、法蘭、導管等附件組成。膨脹節廠家 屬于一(yi)種補償(chang)(chang)元件(jian)。利用(yong)(yong)其工(gong)作主體波紋管(guan)(guan)(guan)的(de)(de)有效(xiao)伸(shen)縮變(bian)(bian)形,以吸收(shou)管(guan)(guan)(guan)線、導管(guan)(guan)(guan)、容器等(deng)由熱(re)脹冷(leng)縮等(deng)原(yuan)因而(er)(er)產生的(de)(de)尺寸變(bian)(bian)化,或(huo)補償(chang)(chang)管(guan)(guan)(guan)線、導管(guan)(guan)(guan)、容器等(deng)的(de)(de)軸向、橫(heng)向和角(jiao)向位移。也可用(yong)(yong)于降噪減(jian)振。在現代工(gong)業中用(yong)(yong)途廣泛。供(gong)熱(re)上(shang),為了防止供(gong)熱(re)管(guan)(guan)(guan)道(dao)升(sheng)溫時,由于熱(re)伸(shen)長或(huo)溫度應(ying)力而(er)(er)引(yin)起管(guan)(guan)(guan)道(dao)變(bian)(bian)形或(huo)破壞,需要在管(guan)(guan)(guan)道(dao)上(shang)設(she)置補償(chang)(chang)器,以補償(chang)(chang)管(guan)(guan)(guan)道(dao)的(de)(de)熱(re)伸(shen)長,從而(er)(er)減(jian)小管(guan)(guan)(guan)壁的(de)(de)應(ying)力和作用(yong)(yong)在閥件(jian)或(huo)支(zhi)架結構上(shang)的(de)(de)作用(yong)(yong)力。