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class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jzjc/">建筑、建材</a>?<a href="http://m.cdcfah.com/cp/second-jzjc_jzjclgc/">建筑、建材類管材</a>?<a href="http://m.cdcfah.com/cp/third-jzjclgc_qtjzjclgc/">其他建筑、建材類管材</a>?廈門鑄鐵管銷售廈門常達(dá)管業(yè)供應(yīng)</p><div id="xwikzq7" class="leftbox clearfix"><h1>廈門鑄鐵管銷售廈門常達(dá)管業(yè)供應(yīng)</h1><div id="7ulxw2q" class="proBig"><div id="gwzylxw" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/19/14/636991450280011069_changdaguanye_2606690.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="s2eq8qc" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/19/14/636991450280011069_changdaguanye_2606690.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="evhosub" 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>福建省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廈門鑄鐵管銷售</p><p><span>***更新：</span>2020-05-23 06:23:55</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="shjahyf" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">廈門常達(dá)管業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span>1067193638@qq.com</p><p><span>電話: </span>15392286572</p><p><span>傳真: </span>0592_2286572</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0592-2286572</p><p><span>地址: </span>廈門市集美區(qū)寧海二里</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="mvcov3g" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tnzqhdk" class="box"><p><p style="text-indent:25px">球墨鑄鐵管的缺點(diǎn)：球墨鑄鐵管的連接受人為因素如操作水平、責(zé)任心等影響較大，施工方面不如PE管便捷.但是球墨鑄鐵管具有**度、耐高壓、使用時(shí)間長(zhǎng)的特點(diǎn)，廈門鑄鐵管銷售。PE管的優(yōu)點(diǎn)：PE管具有良好的耐腐蝕性其抗無機(jī)物性能比金屬管強(qiáng)得多，在埋地敷設(shè)時(shí)不需要防腐,施工方便，廈門鑄鐵管銷售。小口徑PE管在性能價(jià)格比上優(yōu)于鋼管和球墨鑄鐵管.PE管得缺點(diǎn)：苯、汽油，廈門鑄鐵管銷售、四氯化碳等有機(jī)溶劑對(duì)聚乙烯有一定得影響。有機(jī)溶劑如果滲入聚乙烯內(nèi)，會(huì)出現(xiàn)溶脹現(xiàn)象，其物理性能就下降，其耐壓性、耐溫度變化性能較差。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廈門鑄鐵管銷售" src="http://tyunfile.71360.com/UpLoadFile/2019/7/19/14/636991450280011069_changdaguanye_2606690.jpg"></div><p> 球墨鑄鐵管安裝要點(diǎn)：1．溝槽開挖溝槽底寬應(yīng)按下式計(jì)：B=D1+2(b1+b2)式中：B—管道溝槽底部的開挖寬度(mm) D1—管道結(jié)構(gòu)的外緣寬度(mm) b1—管道一側(cè)的工作面寬度(mm) b2—管道一側(cè)的支撐寬度(mm)2．溝槽支撐根據(jù)溝槽土質(zhì)、地下水、開槽斷面、荷載條件等因素進(jìn)行設(shè)計(jì)，要求牢固可靠，防止塌方、支撐不得妨礙下管和穩(wěn)管。3． T型接口管道在垂直或水平方向轉(zhuǎn)彎處應(yīng)設(shè)支墩。應(yīng)根據(jù)管徑、轉(zhuǎn)角、工作壓力等因素經(jīng)計(jì)算確定支墩尺寸。4．輸送生活飲用水時(shí)，管道不應(yīng)穿過毒物污染區(qū)，如需穿過時(shí)應(yīng)采取防護(hù)措施。5．球墨鑄鐵管的外防腐蝕涂層應(yīng)根據(jù)敷管地的土質(zhì)情況來選擇鍍鋅和環(huán)氧瀝青涂層或更高要求的涂層。 </p> <p> <br /> </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廈門鑄鐵管銷售" src="http://tyunfile.71360.com/UpLoadFile/2019/7/19/14/636991449625441908_changdaguanye_6616816.jpg"></div><p> 球墨鑄鐵管是鑄鐵的一種，是一種鐵、碳和硅的合金。球墨鑄鐵中石墨是以球狀形式存在的，一通常般石墨的大小為6-7級(jí)，質(zhì)量上要求鑄管的球化等級(jí)控制為1-3級(jí)（球化率≥百分之八十），所以材料本身的機(jī)械性能取得了較好的改善，具有鐵的本質(zhì)，鋼的性能。退火后的球墨鑄鐵管，其金相**為鐵素體加少量珠光體，機(jī)械性能較好。球墨鑄鐵管主要稱之為離心球墨鑄鐵管，它具有鐵的本質(zhì)、鋼的性能，防腐性能好、延展性能好，密封效果好，安裝簡(jiǎn)單、主要用于市政、工礦企業(yè)給水、輸氣,輸油等。是供水管材的理想選擇，具有很高的性價(jià)比。 </p> <p> <br /> </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廈門鑄鐵管銷售" src="http://tyunfile.71360.com/UploadFile/changdaguanye/637174757847832031/2981332.jpg"></div></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/13591.html</p></div></div></div></div></div><div id="rkmdkl2" class="page-right twoColRt"><div id="cwdahyf" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jxeg8wi" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="k78zsof" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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