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<p><p>PE管在國外已有幾十年的使用歷史,?世界上經(jīng)濟(jì)發(fā)達(dá)國家從上世紀(jì)40年代末已開始研究PE管，并應(yīng)用在燃?xì)夤こ讨?；?0年代起相繼在燃?xì)廨斉湎到y(tǒng)中應(yīng)用PE管；且使用比例逐步擴(kuò)大。目前，國際上歐、美、日等發(fā)達(dá)國家和地區(qū)已全部采用PE管道。1988年在慕尼黑的國際煤聯(lián)（IGU）輸配會會議上一致認(rèn)為：“采用聚乙烯(PE)為原料的埋地燃?xì)夤艿蕾|(zhì)量可靠、運(yùn)行安全、維護(hù)簡便、費(fèi)用經(jīng)濟(jì)”。<br/><img src="http://oss12.huangye88.net/live/2025/02/26/f7a82ae24ea8d52abd14481f99c9db8e.jpg@750w_750h_90Q" /><br/>PE管道的連接方式有二種，? 一是電熔連接，一般適用在管徑小于De110；? 二是熱熔連接，一般適用于管徑不小于De110，在對接中無需套筒管件。以上二種連接操作方法在短期培訓(xùn)就能掌握，焊接質(zhì)量也能，施工進(jìn)度也快。另外，在已運(yùn)行的燃?xì)夤芫W(wǎng)中可以帶氣開三通作業(yè)，這一工序，采用鋼管作為燃?xì)夤艿朗菬o法實(shí)現(xiàn)的。<br/><img src="http://oss12.huangye88.net/live/2025/02/26/c4ed4fff11acdd9c7581954bceea6675.jpg@750w_750h_90Q" /><br/>PE管材自身重量較輕，不需起重吊裝設(shè)備，搬運(yùn)及向溝槽下管較方便。PE管焊接只要電熱熔焊機(jī)，設(shè)備輕便，自動化程度高，不需人工焊接，安裝施工方便，強(qiáng)度小，。<br/><img src="http://oss12.huangye88.net/live/2025/02/26/d1efb3d81e3abc56865ac75e8627a3c0.jpg@750w_750h_90Q" /><br/>PE燃?xì)夤芴攸c(diǎn) <br /> ? 良好的衛(wèi)生性能：PE為碳?xì)浣Y(jié)構(gòu)，使用安全，不滋生細(xì)菌，完全消除水質(zhì)的二次污染。 <br /> ? 良好的耐低溫性能：可在-20°C-40°C溫度范圍內(nèi)使用。完全滿足在冬季施工時的要求。 <br /> ? 重量輕，施工性能優(yōu)良：易搬運(yùn)，易彎曲，施工簡單，焊接工藝連接可靠，工程綜合造價(jià)低。 <br /> ? 耐腐蝕性優(yōu)良，使用壽命長：不受外界酸堿鹽腐蝕，無結(jié)垢，正常使用壽命超過50年。<br/><img src="http://oss12.huangye88.net/live/2025/02/26/d729fc61cbec93d6a68e982641978810.jpg@750w_750h_90Q" /><br/>PE管具有的柔韌性，大大提高了這種材料在管道工程中的價(jià)值。由于聚乙烯的靈活性，較小直徑（一般不大于D100）的聚乙烯燃?xì)夤艿揽梢员P管供應(yīng)，這在施工過程中節(jié)省了大量管件，也避免了接口泄漏的可能性；對于無槽施工，聚乙烯天然氣管道的方向可以根據(jù)施工方法的要求輕松改變，使其能夠在施工前改變管道的形狀，并在插入舊管道后恢復(fù)其原始尺寸和尺寸。<br/><img src="http://oss12.huangye88.net/live/2025/02/26/1f457261390647970df5f45b4e3c1758.jpg@750w_750h_90Q" /><br/>由于PE管的化學(xué)性質(zhì)的限制，不能在地面上使用（不能作為明管使用）。PE水井體積大，在居民區(qū)配套管網(wǎng)中施工不方便。PE管道配件的價(jià)格很高。在輸配氣設(shè)計(jì)中，有各種類型的城市燃?xì)夤艿?，如鋼管和鑄鐵管。但隨著時間的推移，金屬管道耐腐蝕性差、成本高、運(yùn)輸安裝不方便等缺點(diǎn)逐漸顯現(xiàn)，人們將目光轉(zhuǎn)向了塑料管道。聚乙烯管（以下簡稱PE管）是以聚乙烯為主要原料，擠壓成管材的新一代輸氣管道。與傳統(tǒng)金屬管道相比，它具有耐腐蝕性；重量輕，密度僅為鋼的1/8；使用壽命長，長可達(dá)50年；強(qiáng)度高，韌性好，能承受地質(zhì)變化而不斷裂；它具有施工簡單的優(yōu)點(diǎn)，是天然氣管道升級換代的新產(chǎn)品。<br/><img src="http://oss12.huangye88.net/live/2025/02/26/a0607fff43df2af4e944485956d0a834.jpg@750w_750h_90Q" /><br/>埋地聚乙烯PE天然氣管道具有許多的性能，廣泛應(yīng)用于天然氣輸送領(lǐng)域。它將解決鋼管和鑄鐵管的腐蝕和接頭泄漏問題，從而確保天然氣管網(wǎng)系統(tǒng)的安全運(yùn)行。PE氣體管道由惰性材料制成，能夠承受各種化學(xué)介質(zhì)的侵蝕。管壁摩擦系數(shù)低，流動阻力小，輸送能力強(qiáng)。采用電加熱熔接，接口強(qiáng)度管體。高韌性PE的斷裂伸長率一般超過500%。聚乙烯氣體管道具有良好的抗震性能、抗慢速裂紋擴(kuò)展（SCG）、快速裂紋擴(kuò)展（RCP）、柔性和耐劃傷性。<br/><img src="http://oss12.huangye88.net/live/2025/02/27/998309249e9c9ba07a6d1813535336bd.jpg@750w_750h_90Q" /><br/>鋼管和鑄鐵管等傳統(tǒng)天然氣管道的問題是在使用壽命期間經(jīng)常發(fā)生的腐蝕和接頭泄漏。高密度聚乙烯燃?xì)夤艿溃℉DPE燃?xì)夤艿溃┚哂心透g、耐低溫、韌性好、接頭連接安全可靠等特點(diǎn)。成功解決了傳統(tǒng)管道腐蝕和接頭泄漏兩大問題，廣泛應(yīng)用于輸配氣領(lǐng)域。<br/><img src="http://oss12.huangye88.net/live/2025/02/26/26641be4989dfcf983179aca3cf6da6d.jpg@750w_750h_90Q" /><br/>PE管在較高溫度下其耐壓強(qiáng)度會降低;溫度過低將導(dǎo)致其變脆。因此,目前PE管一般使用壓力在0.1～0.4MPa。由于PE管易氧化，易彎曲，對溫度敏感，對于管材的存放、搬運(yùn)、運(yùn)輸、存放期限及施工等有一定的要求。PE管施工設(shè)備多，對施工設(shè)備依賴性大；對外界環(huán)境要求高，寒冷天氣和大風(fēng)下雨環(huán)境下不便施工，須采取保護(hù)措施。</p></p> </div> <div id="9zpzhzxzrf3" class="product-sort"> <p>所屬分類：<a title="管道系統(tǒng)">管道系統(tǒng)</a>/<a title="燃?xì)夤?>燃?xì)夤?/a></p> <p>本文鏈接：http://m.xinite.com/sell/info-6e3l13fjgbc80c.html</p> </div> </div> <div id="9zpzhzxzrf3" class="product-details"> <h2 class="module-title"><i></i>我們的其他產(chǎn)品</h2> <div id="9zpzhzxzrf3" class="product-details-cont"> <ul class="product-other"> <li> <a title="廣東新款PE管件供應(yīng)商PE地源熱泵管件"> <img src="http://oss11.huangye88.net/live/2023/11/01/175c960c1d36227c9849420be6492c93.jpg@4e_1c_350w_350h_90Q" alt="廣東新款PE管件供應(yīng)商PE地源熱泵管件"> <p class="product-other-tit">廣東新款PE管件供應(yīng)商PE地源熱泵管件</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="9zpzhzxzrf3" class="product-other-sign">PE管件,PE地源熱泵管件,PE給水管件,PE電熔管件</span></p> </li> <li> <a title="云南克拉管安裝"> <img src="http://jmage0.huangye88.net/live/2022/03/17/845eefc740de166536dfaa0d7d0c648a.jpg@4e_1c_350w_350h_90Q" alt="云南克拉管安裝"> <p class="product-other-tit">云南克拉管安裝</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="9zpzhzxzrf3" class="product-other-sign">克拉管</span></p> </li> <li> <a title="四川新款PE鋼塑轉(zhuǎn)換接頭報(bào)價(jià)"> <img src="http://jmage0.huangye88.net/live/2022/03/22/a64861107bff4307fc43d9d76c5fb10c.jpg@4e_1c_350w_350h_90Q" alt="四川新款PE鋼塑轉(zhuǎn)換接頭報(bào)價(jià)"> <p class="product-other-tit">四川新款PE鋼塑轉(zhuǎn)換接頭報(bào)價(jià)</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="9zpzhzxzrf3" class="product-other-sign">PE鋼塑轉(zhuǎn)換接頭</span></p> </li> <li> <a title="熱門PE鋼絲網(wǎng)骨架聚乙烯復(fù)合管供應(yīng)商"> <img src="http://jmage0.huangye88.net/live/2022/03/24/e995509810b612c5d074c8bca5356f52.jpg@4e_1c_350w_350h_90Q" alt="熱門PE鋼絲網(wǎng)骨架聚乙烯復(fù)合管供應(yīng)商"> <p class="product-other-tit">熱門PE鋼絲網(wǎng)骨架聚乙烯復(fù)合管供應(yīng)商</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="9zpzhzxzrf3" class="product-other-sign">PE鋼絲網(wǎng)骨架聚乙烯復(fù)合管</span></p> </li> <li> <a title="遼寧熱門PERT熱力保溫管價(jià)格"> <img src="http://jmage0.huangye88.net/live/2021/10/22/96d1026ffd1e3c6401783c62bf51f3f2.jpg@4e_1c_350w_350h_90Q" alt="遼寧熱門PERT熱力保溫管價(jià)格"> <p class="product-other-tit">遼寧熱門PERT熱力保溫管價(jià)格</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="9zpzhzxzrf3" class="product-other-sign">PERT熱力保溫管</span></p> </li> <li> <a href="http://m.xinite.com/sell/ddnj0s5884216.html" title="北京全新PERT熱力保溫管多少錢"> <img src="http://jmage0.huangye88.net/live/2021/10/22/dacd34b98d2384a1a5156ce569790b99.jpg@4e_1c_350w_350h_90Q" alt="北京全新PERT熱力保溫管多少錢"> <p class="product-other-tit">北京全新PERT熱力保溫管多少錢</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="9zpzhzxzrf3" class="product-other-sign">PERT熱力保溫管</span></p> </li> <li> <a href="http://m.xinite.com/sell/info-s12uc3gl858825.html" title="江西全新PE電熔管件廠家批發(fā)"> <img src="http://jmage0.huangye88.net/live/2021/10/22/c626c6509f2ab79531e9a5c0d27235e7.jpg@4e_1c_350w_350h_90Q" alt="江西全新PE電熔管件廠家批發(fā)"> <p class="product-other-tit">江西全新PE電熔管件廠家批發(fā)</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="9zpzhzxzrf3" class="product-other-sign">PE電熔管件</span></p> </li> <li> <a title="浙江制作PE電熔管件廠家"> <img src="http://jmage0.huangye88.net/live/2021/10/22/40119f56c15adeef58b4cf96e21fa688.jpg@4e_1c_350w_350h_90Q" alt="浙江制作PE電熔管件廠家"> <p class="product-other-tit">浙江制作PE電熔管件廠家</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="9zpzhzxzrf3" class="product-other-sign">PE電熔管件</span></p> </li> </ul> </div> </div> <div id="9zpzhzxzrf3" class="tis"><i class="icon tshi"></i>“湖北PE燃?xì)夤芘l(fā)價(jià)格,PE燃?xì)夤堋毙畔⒂砂l(fā)布人自行提供，其真實(shí)性、合法性由發(fā)布人負(fù)責(zé)。交易匯款需謹(jǐn)慎，請注意調(diào)查核實(shí)。</div> <div 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