波紋補償器,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dao管guan等deng附fu件jian組zu成cheng。主zhu要yao用yong在zai各ge種zhong管guan道dao中zhong,它ta能neng夠gou補bu償chang管guan道dao的de熱re位wei移yi,機ji械xie變bian形xing和he吸xi收shou各ge種zhong機ji械xie振zhen動dong,起qi到dao降jiang低di管guan道dao變bian形xing應ying力li和he提ti高gao管guan道dao使shi用yong壽shou命ming的de作zuo用yong。波bo紋wen補bu償chang器qi連lian接jie方fang式shi分fen為wei法fa蘭lan連lian接jie和he焊han接jie兩liang種zhong。直zhi埋mai管guan道dao補bu償chang器qi一yi般ban采cai用yong焊han接jie方fang式shi(地溝安裝除外)
目mu前qian一yi些xie廠chang家jia在zai管guan道dao內nei部bu塗tu防fang腐fu塗tu料liao。其qi中zhong有you樹shu脂zhi類lei,玻bo璃li鱗lin片pian等deng。對dui於yu低di溫wen無wu粉fen塵chen管guan道dao有you效xiao果guo,但dan對dui高gao溫wen管guan道dao或huo有you粉fen塵chen衝chong刷shua磨mo損sun的de管guan道dao效xiao果guo很hen差cha。對dui於yu變bian形xing很hen小xiao的de管guan道dao可ke用yong,對dui於yu波bo紋wen補bu償chang器qi變bian形xing大da的de部bu件jian不bu適shi用yong,其qi原yuan因yin是shi塗tu料liao在zai大da變bian形xing的de情qing況kuang下xia易yi產chan生sheng龜gui裂lie脫tuo落luo,起qi不bu到dao隔ge離li保bao護hu作zuo用yong,因yin此ci,塗tu料liao隻zhi能neng在zai下xia列lie工gong作zuo條tiao件jian下xia可ke用yong,無wu粉fen塵chen磨mo損sun、zaiyouxiaoshiyongfanweinei,tuliaowuwendulaohuaxiaoyingchansheng,yugongzuojiezhibufashenghuaxuefanying,beibaohugoujiangongzuoshibuchanshengdabianxing,suoyongtuliaobianyushigong,suoyongtuliaobianyushigong,bingnengquebaoqilianghaoweimixing、附著力且沒有針孔產生。