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id="2jurg3q" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sccsjjc/637275709256269531/2638801.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="crvh87x" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sccsjjc/637275709256269531/2638801.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="33rtyfr" 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>成都多聯(lián)塑膠MPP總經(jīng)銷</p><p><span>***更新：</span>2020-06-23 09:23:53</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="c2hzq22" 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(hào)萬貫五金機(jī)電市場(chǎng)25號(hào)配送大廳14/15/16號(hào)</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="dxuw8tk" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3aroq3e" class="box"><p><p> 起點(diǎn)檢查井的管溝邊設(shè)置一試驗(yàn)水箱，如管道設(shè)在干燥型土層內(nèi)。要求試驗(yàn)水位高度應(yīng)高出起點(diǎn)檢查井管頂4m。將進(jìn)水管接至堵板的下側(cè)，終點(diǎn)檢查井內(nèi)管子的堵頭下側(cè)應(yīng)設(shè)泄水管，并挖好排水溝，成都多聯(lián)塑膠MPP總經(jīng)銷。mpp電力管的管道應(yīng)嚴(yán)密，并從水箱向管內(nèi)充水，管道充滿水后，進(jìn)行水位觀察，成都多聯(lián)塑膠MPP總經(jīng)銷。量好水位。觀察管道接頭處是否嚴(yán)密不漏，如有發(fā)現(xiàn)漏水應(yīng)及時(shí)拆除。作閉水試驗(yàn)，觀察時(shí)間不應(yīng)少于3O分鐘，液面不下降視為合格。閉水完畢后作好排水灌水記錄，并及時(shí)將管內(nèi)的水排放干凈，成都多聯(lián)塑膠MPP總經(jīng)銷。并做好管道清洗。這就是關(guān)于mpp電力管的閉水試驗(yàn)的介紹，如果安裝完畢后不對(duì)其進(jìn)行閉水試驗(yàn)的檢查而是直接投入使用，那么很可能會(huì)造成嚴(yán)重事因的發(fā)生。所以說，在電力管安裝完畢后的檢查工作是非常有必要的，這能為我們減少很多不必要的煩以及二次安裝的費(fèi)用。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都多聯(lián)塑膠MPP總經(jīng)銷" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637275709256269531/2638801.png"></div><p> mpp電力管在焊接過程中需要注意什么呢?焊接面管材錯(cuò)邊不超過管材壁厚的10，當(dāng)氣溫低時(shí)，應(yīng)適當(dāng)提高加熱溫度和延長吸熱時(shí)間，當(dāng)環(huán)境溫度低于﹣5℃或大風(fēng)天氣時(shí)，應(yīng)有保溫和防范措施。mpp電力管加熱壓力應(yīng)分階段控制，加熱時(shí)壓力稍大，吸熱時(shí)壓力較小。焊縫冷卻時(shí)應(yīng)自然冷卻，采用強(qiáng)制冷卻時(shí)，將影響管材焊接質(zhì)量。下雨天氣不能進(jìn)行mpp電力管焊接，否則焊接管材端面會(huì)產(chǎn)生水汽，在加熱前，應(yīng)用加熱板烘烤管材端面至水汽完全蒸發(fā)為止，然后進(jìn)行管材加熱。加熱板表面及管端應(yīng)經(jīng)常用酒精清潔，確保加熱板表面無油污和水，及雜質(zhì)。加熱板表面防粘層應(yīng)不損傷，進(jìn)行焊接前，應(yīng)用干凈的綿紗或抹布擦拭管材端面的水，雜質(zhì)和泥土。應(yīng)保持焊接管材端面清潔。操作人員應(yīng)培訓(xùn)上崗，在進(jìn)行管材端面清潔時(shí)，應(yīng)有人監(jiān)督，以防管材合攏夾傷手，管材壁厚低于6mm時(shí)，一般不采用熱熔對(duì)接。否則難以保證管材焊接質(zhì)量。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都多聯(lián)塑膠MPP總經(jīng)銷" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637275709242070312/2035316.png"></div><p> mpp管具有耐高溫以及耐高壓的特點(diǎn)，那么，這種管材的適用范圍有哪些呢?MPP管采用改性聚丙烯為主要原材料，是無須大量挖泥、挖土及破壞路面，在道路、鐵路、建筑物、河床下等特殊地段敷設(shè)管道、電纜等施工工程。與傳統(tǒng)的“挖槽埋管法”相比，非開挖電力管工程更適應(yīng)當(dāng)前的環(huán)保要求，去除因傳統(tǒng)施工所造成的塵土飛揚(yáng)、交通阻塞等擾民因素，這一技術(shù)還可以在一些無法實(shí)施開挖作業(yè)的地區(qū)鋪設(shè)管線，如古跡保護(hù)區(qū)、鬧市區(qū)、農(nóng)作物及農(nóng)田保護(hù)區(qū)、高速公路、河流等。管材常用規(guī)格為直徑110mm～中250mm，分為普通型和加強(qiáng)型。普通型適用于開挖鋪設(shè)施工和非開挖穿越施工埋深小于4M的工程;加強(qiáng)型適用于非開挖穿越施工埋深大于4M的工程。mpp管的適用范圍：可廣泛應(yīng)用于市政、電信、電力、煤氣、自來水、熱力等管線工程。城鄉(xiāng)非開挖水平定向鉆進(jìn)電力排管工程，及明開挖電力排管工程。城鄉(xiāng)非開挖水平定向鉆進(jìn)下水排污排管工程。工業(yè)廢水排放工程。 </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/360462.html</p></div></div></div></div></div><div id="qf7wt7l" class="page-right twoColRt"><div id="o8olsug" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cro2jby" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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