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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8askhzj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sccsjjc/637254200859277344/2735775.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3skwtqk" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南充川路碳素波紋管規(guī)格型號</p><p><span>***更新：</span>2020-06-04 04:16:58</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="mrjgiah" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">四川創(chuàng)世界建材有限公司</a></p><p><span>聯(lián)系人：</span>曾經(jīng)理</p><p><span>郵箱: </span>373793897@qq.com</p><p><span>電話: </span>18008052768</p><p><span>傳真: </span>028_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>028-68867225</p><p><span>地址: </span>金府路555號萬貫五金機(jī)電市場25號配送大廳14/15/16號</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="vahj223" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="cw3heb8" class="box"><p><p> HDPE管使用壽命長，50年以上；PE管的使用期為50年以上，這一點(diǎn)不僅已為國際標(biāo)準(zhǔn)和新國際所證明，而且已被先進(jìn)*證明。水泥管理論上使用壽命20年，但是其為硅酸鹽類，長期受到酸堿的腐蝕，壽命很大降低，南充川路碳素波紋管規(guī)格型號。全國各地均有水泥管材由于污水滲漏導(dǎo)致地面下沉，接口斷裂，幾年內(nèi)就不得不更換的實(shí)例。HDPE管內(nèi)表面光滑，不帶正負(fù)電核，不結(jié)垢；水泥管材易結(jié)垢，結(jié)垢后，使管徑縮小，影響通流量。HDPE質(zhì)量輕，便于運(yùn)輸與安裝，南充川路碳素波紋管規(guī)格型號，無損耗；水泥管材質(zhì)量重，不便于運(yùn)輸與安裝，并且在運(yùn)輸與安裝時(shí)易損耗。當(dāng)管道通過流量、坡降及埋深相同時(shí)，HDPE可以比水泥管小一兩個型號；HDPE內(nèi)表面粗糙系數(shù)為，水泥管材內(nèi)表面粗糙系數(shù)為，按照公認(rèn)的謝才定律，進(jìn)行同流量計(jì)算，HDPE管材可以比水泥管材小兩個型號，南充川路碳素波紋管規(guī)格型號，而實(shí)際應(yīng)用中，建議小一個型號即可。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南充川路碳素波紋管規(guī)格型號" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637254200859277344/2735775.jpg"></div><p> 請嚴(yán)格按照HDPE雙壁波紋管的安排和業(yè)務(wù)標(biāo)準(zhǔn),以確保質(zhì)量.安裝完成后,再進(jìn)行水壓試驗(yàn),以確定沒有泄漏,然后可以關(guān)閉或填充管通道.試驗(yàn)壓力應(yīng)為設(shè)計(jì)壓力的.推薦的試驗(yàn)壓力在10kg/cm2（兆帕）-15kg/cm2的（壓力）.雖然過渡連接帶熱水器,金屬管或軟管連接管道是可取的,其長度應(yīng)不小于300mm.戶外管道應(yīng)被視為具有隔熱,防曬和防凍措施.在冬季,當(dāng)溫度接近5,管道及管件的意外損壞,能夠防止在搬運(yùn)和施工期間.壓力測試完成后,排出的水.對于長期在冬季停工期間,管道內(nèi)的水排放在沒有可靠的保溫措施,以防止管道裂縫.的同時(shí)進(jìn)行防水工程,不涂抹涂料,瀝青和其他污染的材料的表面上的管道,這樣才能避免氣味水。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南充川路碳素波紋管規(guī)格型號" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637254200856347656/7040194.jpg"></div><p> 碳素波紋管是采用HDPE（高密度聚乙烯）與碳素復(fù)合材料擠出成型和獨(dú)特的旋轉(zhuǎn)成型工藝技術(shù)生產(chǎn)的新型電力線纜保護(hù)管道。碳素波紋管是使用較為大面積的地下電纜護(hù)套管，有著較高的性價(jià)比，綜合有以下**優(yōu)點(diǎn)：柔韌性好：產(chǎn)品呈螺紋狀.遇障礙物彎曲自由通過，便于施工；單根長：**短幾十米，長達(dá)幾百米；質(zhì)輕：因材料采用高密度塑料，所以質(zhì)量輕，便于搬運(yùn)；強(qiáng)度高：因特殊的螺紋狀，很大增強(qiáng)了抗壓力；耐腐蝕：耐酸憾，鹽及化學(xué)物質(zhì)，使用可達(dá)50年；抗地質(zhì)沉降：地質(zhì)變化因其結(jié)構(gòu)為螺紋狀，所以抗拉伸；穿線方便：管內(nèi)預(yù)放鐵絲，便于牽拉電纜；施工費(fèi)用低：以上優(yōu)點(diǎn)證明了費(fèi)用低，接頭少，降低成本；接頭結(jié)實(shí)：使用安全，接頭少，采用**橡膠接頭，不浸水；散熱好：管體呈螺紋狀，散熱面積大。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南充川路碳素波紋管規(guī)格型號" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637254202578886719/2339680.jpg"></div></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/138678.html</p></div></div></div></div></div><div id="vfrjb30" class="page-right twoColRt"><div id="tsjwo7x" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sczrykh" class="recomPic likePro"><a 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