煤氣管道波紋膨脹節的選擇直接影響了煤氣管道的質量。煤氣管道因季節變化及輸送介質高於常溫將發生熱脹冷縮,長度發生變化。當溫度_高或管道_長chang時shi,以yi上shang因yin素su可ke導dao致zhi管guan道dao大da過guo本ben身shen應ying力li而er破po,甚shen至zhi破po壞huai被bei連lian接jie的de設she備bei和he支zhi架jia。所suo以yi不bu能neng忽hu視shi膨peng脹zhang量liang及ji其qi產chan生sheng的de熱re應ying力li,采cai取qu補bu償chang措cuo施shi,減jian小xiao管guan道dao熱re脹zhang冷leng縮suo時shi所suo產chan生sheng的de應ying力li,使shi熱re應ying力li減jian到dao管guan道dao允yun許xu應ying力li之zhi下xia,以yi管guan道dao穩wen定ding正zheng常chang工gong作zuo。目mu前qian,煤mei氣qi管guan道dao波bo紋wen膨peng脹zhang節jie種zhong類lei繁fan多duo,設she計ji人ren員yuan充chong分fen了le解jie各ge種zhong煤mei氣qi管guan道dao波bo紋wen膨peng脹zhang節jie的de特te點dian,並bing能neng夠gou正zheng確que選xuan擇ze合he適shi的de波bo紋wen膨peng脹zhang節jie。
meiqiguandaobowenpengzhangjiezaianzhuangqianyingxianjianzhaqixinghao,guigejiguandaopeizhiqingkuang,xufuheshejiyaoqiu。duidaineitaotongdebuchangqiyingzhuyishineitaotongzidefangxiangyujiezhiliudongfangxiangyizhi,jiaolianxingbuchangqidejiaolianzhuandongpingmianyingyuweiyizhuandongpingmianyizhi。xuyaojinxing"冷緊"的補償器,預變形所用的輔助構件應在管路安裝完畢後方可拆除。

嚴yan禁jin用yong煤mei氣qi管guan道dao波bo紋wen膨peng脹zhang節jie變bian形xing的de方fang法fa來lai調tiao整zheng管guan道dao的de安an裝zhuang超chao差cha,以yi免mian影ying響xiang波bo紋wen膨peng脹zhang節jie的de正zheng常chang功gong能neng,降jiang低di使shi用yong壽shou命ming及ji增zeng加jia管guan係xi,設she備bei支zhi承cheng構gou件jian的de載zai荷he。安an裝zhuang過guo程cheng中zhong,不bu允yun許xu焊han渣zha飛fei濺jian到dao波bo殼ke表biao麵mian,不bu允yun許xu波bo殼ke受shou到dao其qi它ta機ji械xie損sun傷shang。管guan係xi安an裝zhuang完wan畢bi後hou,應ying盡jin快kuai拆chai除chu波bo紋wen膨peng脹zhang節jie上shang用yong作zuo安an裝zhuang運yun輸shu的de黃huang色se輔fu助zhu定ding位wei構gou件jian及ji緊jin固gu件jian,並bing按an設she計ji要yao求qiu將jiang限xian位wei裝zhuang置zhi調tiao到dao規gui定ding位wei置zhi,使shi管guan係xi在zai環huan境jing條tiao件jian下xia有you充chong分fen的de補bu償chang能neng力li。
煤氣管道
波紋膨脹節所有活動元件不得被外部構件卡死或限製其活動範圍,應各活動部位的正常動作。水壓試驗時,應對裝有波紋
膨脹節guanluduanbudecigudingguanjiajinxingjiagu,shiguanlubufashengyidonghuozhuandong。duiyongyuqitijiezhidebowenpengzhangjiejiqilianjieguanlu,yaozhuyichongshuishishifouxuyaozengshelinshizhijia。shuiyashiyanyongshuiqingxiyede96氯離子含量不大於25PPM。水壓試驗結束後,應盡快排波殼中的積水,並將波殼內表麵吹幹。與波紋膨脹節波紋管接觸的保溫材料應不含氯離子。