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PE管具有優(yōu)良的撓性，大地增強(qiáng)了該材料對(duì)管道工程的價(jià)值。因聚乙烯的撓性使管徑較?。ㄒ话悴淮笥贒100）的聚乙烯燃?xì)夤艿揽梢员P(pán)卷供貨，這樣就在施工中節(jié)省了很多管件，同時(shí)也避免了接口泄露的可能性；用于不開(kāi)槽施工，聚乙烯然氣管道的走向容易按照施工方法的要求進(jìn)行改變，使其可在施工前改變管材的形狀，插入舊管材后恢復(fù)其原來(lái)的大小和尺寸。<br/><img src="http://oss12.huangye88.net/live/2025/02/26/d863483f75b9b8e156f8beee0a29e88a.jpg@750w_750h_90Q" /><br/>PE燃?xì)夤軐?duì)管基不均勻沉降的適應(yīng)能力非常強(qiáng)，耐磨性強(qiáng)，可采用多種非開(kāi)挖方式，較大地方便于工作了施工和安裝，系統(tǒng)造價(jià)低，維護(hù)費(fèi)用少，可大幅降低工程成本。<br/><img src="http://oss12.huangye88.net/live/2025/02/26/f7a82ae24ea8d52abd14481f99c9db8e.jpg@750w_750h_90Q" /><br/>HDPE燃?xì)夤軕?yīng)用領(lǐng)域聚乙烯（PE ）燃?xì)夤艿酪云涞氖褂眯阅芎桶踩砸殉晒υ谌細(xì)廨斔皖I(lǐng)域得到了廣泛應(yīng)用。根據(jù)原材料等級(jí)不同，分為PE80和PE100兩個(gè)等級(jí)；根據(jù)標(biāo)準(zhǔn)尺寸比，分為SDR11、SDR17、SDR21、SDR26四個(gè)系列，長(zhǎng)期大工作壓力不超過(guò)0.7Mpa。<br/><img src="http://oss12.huangye88.net/live/2025/02/26/b37cd6a796563ee790db161dca072e32.jpg@750w_750h_90Q" /><br/>一般情況下，腋下角和初始回填的要求應(yīng)至少達(dá)到90%，壓實(shí)層應(yīng)達(dá)到距離管道頂部至少150mm的距離。對(duì)于距離管道頂部小于300mm的區(qū)域，應(yīng)避免直接壓實(shí)。終回填可以使用原始開(kāi)挖的土壤或其他材料，但不得含有凍土、團(tuán)聚體粘土和直徑不超過(guò)200mm的大石頭。<br/><img src="http://oss12.huangye88.net/live/2025/02/26/1f457261390647970df5f45b4e3c1758.jpg@750w_750h_90Q" /><br/>PE管在較高溫度下其耐壓強(qiáng)度會(huì)降低;溫度過(guò)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(duì)溫度敏感，對(duì)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(duì)施工設(shè)備依賴(lài)性大；對(duì)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。<br/><img src="http://oss12.huangye88.net/live/2025/02/27/bc1e5a6927f768f571388a2413b52d66.jpg@750w_750h_90Q" /><br/>由于聚乙烯管的硬度比鋼管低，因此在受到堅(jiān)硬物體的沖擊時(shí)容易穿孔。為了保護(hù)PE管道不受人為破壞，鋪設(shè)時(shí)一般在PE管道上方加紅磚和警示帶，然后加強(qiáng)管道檢查。當(dāng)燃?xì)釶E管提前施工或埋深較淺時(shí)，在社區(qū)其他配套管網(wǎng)施工或道路工程施工過(guò)程中，燃?xì)釶E管容易被鉆孔，導(dǎo)致燃?xì)庑孤?。為了避免?lèi)似事件的發(fā)生，有必要加強(qiáng)對(duì)已經(jīng)施工或在其他配套管道之后施工的天然氣PE的監(jiān)測(cè)，并確保足夠的埋深。</p></p> </div> <div id="jfllfnbh51" class="product-sort"> <p>所屬分類(lèi)：<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://www.xinite.com/sell/info-ac3ksmv3g0b890.html</p> </div> </div> <div id="jfllfnbh51" class="product-details"> <h2 class="module-title"><i></i>我們的其他產(chǎn)品</h2> <div id="jfllfnbh51" 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="jfllfnbh51" 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="河南熱門(mén)PE球閥批發(fā)"> <img src="http://jmage0.huangye88.net/live/2022/03/16/454ede71bd095054ec4d5b38a12e69b2.jpg@4e_1c_350w_350h_90Q" alt="河南熱門(mén)PE球閥批發(fā)"> <p class="product-other-tit">河南熱門(mén)PE球閥批發(fā)</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">PE球閥</span></p> </li> <li> <a title="新款克拉管報(bào)價(jià)"> <img src="http://jmage0.huangye88.net/live/2022/03/17/82db15e61589fb2f277aaf120720ee86.jpg@4e_1c_350w_350h_90Q" alt="新款克拉管報(bào)價(jià)"> <p class="product-other-tit">新款克拉管報(bào)價(jià)</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">克拉管</span></p> </li> <li> <a href="http://www.xinite.com/sell/info-ba2vprddofb8d3.html" title="陜西熱門(mén)PE球閥批發(fā)供應(yīng)"> <img src="http://jmage0.huangye88.net/live/2022/03/17/ac13959c5bdaf4815bbbd461890c4136.jpg@4e_1c_350w_350h_90Q" alt="陜西熱門(mén)PE球閥批發(fā)供應(yīng)"> <p class="product-other-tit">陜西熱門(mén)PE球閥批發(fā)供應(yīng)</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">PE球閥</span></p> </li> <li> <a title="四川全新PE球閥報(bào)價(jià)及圖片"> <img src="http://jmage0.huangye88.net/live/2022/03/16/454ede71bd095054ec4d5b38a12e69b2.jpg@4e_1c_350w_350h_90Q" alt="四川全新PE球閥報(bào)價(jià)及圖片"> <p class="product-other-tit">四川全新PE球閥報(bào)價(jià)及圖片</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">PE球閥</span></p> </li> <li> <a href="http://www.xinite.com/sell/info-1a1rs54d77f56b.html" title="貴州全新PE球閥代理"> <img src="http://jmage0.huangye88.net/live/2022/03/16/f978abec28091d7171631dde2e41a10c.jpg@4e_1c_350w_350h_90Q" alt="貴州全新PE球閥代理"> <p class="product-other-tit">貴州全新PE球閥代理</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">PE球閥</span></p> </li> <li> <a href="http://www.xinite.com/sell/8427rci3e8c63b.html" title="云南全新PE球閥代理"> <img src="http://jmage0.huangye88.net/live/2022/03/16/783c911f063de96b6e3bd76a9a7e4f35.jpg@4e_1c_350w_350h_90Q" alt="云南全新PE球閥代理"> <p class="product-other-tit">云南全新PE球閥代理</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">PE球閥</span></p> </li> <li> <a title="陜西全新克拉管安裝"> <img src="http://jmage0.huangye88.net/live/2022/03/17/b91a7038e67e4fd0236ac87d65cee0ed.jpg@4e_1c_350w_350h_90Q" alt="陜西全新克拉管安裝"> <p class="product-other-tit">陜西全新克拉管安裝</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">克拉管</span></p> </li> </ul> </div> </div> <div id="jfllfnbh51" class="tis"><i class="icon tshi"></i>“天津PE燃?xì)夤軓S家批發(fā),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(qǐng)注意調(diào)查核實(shí)。</div> <div class="jfllfnbh51" id="foot" class="foot">? 2025 huangye88.com 京ICP證100626 <a >移動(dòng)版</a> <a >極速版</a></div> <script type="application/ld+json"> { "@context": "https://ziyuan.baidu.com/contexts/cambrian.jsonld", "@id": "http://www.xinite.com/sell/info-ac3ksmv3g0b890.html", "appid": "1549701938089057", "title": "天津PE燃?xì)夤軓S家批發(fā),PE燃?xì)夤?, "images": [ "http://oss12.huangye88.net/live/2025/02/27/5a24dec8e3c38b87c70b3338392e187d.jpg", "http://oss12.huangye88.net/live/2025/02/27/4190f8793de611e39030785da1719e38.jpg", 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