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href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jzjc/">建筑、建材</a>?<a href="http://www.cdcfah.com/cp/second-jzjc_gdxt/">管道系統(tǒng)</a>?<a href="http://www.cdcfah.com/cp/third-gdxt_lrsxt/">冷熱水系統(tǒng)</a>?湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn) 歡迎來電萬里管道</p><div id="qpryahj" class="leftbox clearfix"><h1>湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn) 歡迎來電萬里管道</h1><div id="iholikh" class="proBig"><div id="blnpwtv" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/13386636601/637202360701103515/6014427.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="h7c2o3s" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/13386636601/637202360701103515/6014427.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hvselsk" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn),聚氨酯保溫管</p><p><span>***更新：</span>2020-08-03 08:03:31</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="raxurda" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波萬里管道有限公司</a></p><p><span>聯(lián)系人：</span>吳金龍</p><p><span>郵箱: </span>862273300@qq.com</p><p><span>電話: </span>13386636601</p><p><span>傳真: </span>0574_86220536</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0574-86228622</p><p><span>地址: </span>寧波市北侖區(qū)春曉街道?？诤勇?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="ihj7q9e" class="page-proshow02"><p class="title">詳細說明</p><div id="o8xhy2u" class="box"><p><p> 聚氨酯保溫管的高密度聚乙烯外護管分為“一步法”和“兩步法”制作工藝，聚氨酯硬質(zhì)泡沫保溫層與外部保溫用高密度聚乙烯外護管（夾克管）一次成型的工藝，我們稱這為“一步法”，制作流程：鋼管除銹——鋼管防腐——聚氨酯發(fā)泡——成形——成品監(jiān)測——入庫。先生產(chǎn)出高密度聚乙烯外護層，然后在聚乙烯外護層與鋼管之間的空隙再澆筑聚氨酯硬質(zhì)泡沫塑料保溫層的制作工藝就是我們常說的“兩步法”。一步法適合生產(chǎn)管道在5000米甚至是10000米以上這種大批量而且單一品種的管道發(fā)泡，效率非常高。兩步法適合生產(chǎn)管道在幾百、數(shù)千米左右的訂單，湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn)。 </p> <p> <br /> 一般熱力，湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn)，湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn)、暖氣、供排水石油天然氣等用聚乙烯，相對外套管是泡沫保溫管價格成本低一些。湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn),聚氨酯保溫管" src="http://tyunfile.71360.com/UploadFile/13386636601/637202360701103515/6014427.jpg"></div><p> 聚氨酯保溫管需要供貨前需要進行出廠檢驗，保溫管岀廠前應(yīng)進行以下出廠檢驗,檢驗報告提交買方。鋼管在出廠前應(yīng)進行靜水壓試驗,每段鋼管都應(yīng)在規(guī)定壓力下做靜水壓試驗；接著鋼管的所有焊縫必須進行***超聲波檢査和射線檢驗,檢査方法、合格標(biāo)準(zhǔn)及焊縫修補方法應(yīng)符合《石油天然氣工業(yè)輸送鋼管交貨技術(shù)條件第1部分:A級鋼管》GB/T9711.1的規(guī)定；然后保溫管外護管的密度、拉伸屈服強度、斷裂伸長率及保溫管外徑增大率按本技術(shù)規(guī)范的要求進行檢驗,批合格判定按《髙密度聚乙烯外護管聚氨脂泡沫，只有經(jīng)過檢測合格的保溫管才能夠提交給買方，保證萬里管道質(zhì)量可靠。 </p> <p> <br /> 湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn)聚氨酯保溫管的內(nèi)部介質(zhì)管道有多種選擇，除了**常用的鋼管外，還有銅管、PPR管、PVC管和鋼塑復(fù)合管等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn),聚氨酯保溫管" src="http://tyunfile.71360.com/UploadFile/13386636601/637202360368417968/6142432.jpg"></div><p> 聚氨酯保溫管中的保溫層是用髙壓發(fā)泡機在鋼管于特制鋼模具之間形成的空腔中—次性注入硬質(zhì)聚氨酯泡沬塑料原液而成。即俗稱的“模具發(fā)泡工藝″。聚氨酯泡沬是否發(fā)滿,有任何質(zhì)量問題便于直接檢驗。其作用一是防水,而是保溫,三是支撐熱網(wǎng)自重。當(dāng)輸送介質(zhì)溫度為:-50℃-120℃時,選用硬質(zhì)聚氨基甲酸酯泡沬塑料做保溫層;當(dāng)輸送層。同時選用工作鋼管層時,根據(jù)議計和客戶的要求一般選用無縫管螺旋焊管和直縫焊管。鋼管表面經(jīng)過先進的拋丸除銹工藝處理后,鋼管除銹等級可達GB8923-1988標(biāo)準(zhǔn)中的Sa2級,表面粗糙度可達GB6060.5-88標(biāo)準(zhǔn)中R=125微米。鋼管表面除污除銹后涂刷層氰凝防腐材料,其作用是防水,二是改善保溫層與鋼管之間的粘接表面,使它形成—個整體。 </p> <p> <br /> </p><p> 聚氨酯保溫管的管件是有一定安裝要求的，其中彎頭、三通是其中比較重要的元器件，下面是具體的安裝要求： </p> <p> （1）彎頭和三通是焊接在管道上面，且焊縫的外觀及質(zhì)量不應(yīng)低于GB50236-2011規(guī)定的二級質(zhì)量。 </p> <p> （2）焊接完成后需要進行無損檢測，使用射線探傷和超聲波探傷，檢查管道焊縫的質(zhì)量。 </p> <p> （3）對于公稱壁厚小于或等于6mm的焊接三遍，其角焊縫無法進行射線或超聲波探傷時，可采用水壓檢測及著色探傷進行替代，著色探傷不應(yīng)低于丨級質(zhì)量。聚氨酯保溫管在施工之前需要進行質(zhì)量檢查，確保產(chǎn)品質(zhì)量可靠。</p> <span style="display:none;"></span><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn),聚氨酯保溫管" src="http://tyunfile.71360.com/UploadFile/13386636601/637202360377705078/5886573.png"></div><p> 聚氨酯保溫管在生產(chǎn)時，有時我們會發(fā)現(xiàn)泡沫變脆，聚氨酯保溫管泡沫強度較小且泡沫較軟，此現(xiàn)象由黑白料比例失調(diào)引起，適當(dāng)增大黑料比例即可。同時也需要注意不在使黑料比例太大，否則，也會使泡沫變脆，亦影響泡沫性能。萬里管道的生產(chǎn)技術(shù)工人大多有5-8年以上的生產(chǎn)經(jīng)驗，了解并掌握合理的黑白料配比，生產(chǎn)的泡沫軟硬適中，保溫效果可靠。聚氨酯保溫管已經(jīng)在我國成為一項比較成熟的技術(shù)，萬里管道**于同行業(yè)研制出WBR型預(yù)制聚氨酯保溫管，實用性能強，質(zhì)量可靠。 </p> <p> <br /> 萬里管道生產(chǎn)的聚氨酯保溫管，以其優(yōu)良的性能，方便的施工及使用年限長而倍受人們歡迎。湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn)</p><p style="text-indent:25px">聚氨酯保溫管降低了采暖管道的整體熱損失，熱網(wǎng)熱損失*為2%，低于國家標(biāo)準(zhǔn)要求的10%。湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn)</p><p> 聚氨酯保溫管也分很多種，我們?nèi)f里管道帶大家現(xiàn)在來了解一下聚氨酯保溫管具有怎樣的優(yōu)勢:聚氨酯直埋保溫管在用于供熱(供冷)工程上，其保溫密封效果較好，用于埋地敷設(shè)，不*節(jié)約能源、減少浪費，既不占地，又美化環(huán)境域。當(dāng)用在油氣輸送上、能滿足長輸要求，免去了運行維護，大限度地滿足保溫防凍要求，減少加熱設(shè)備，降低了工程造價，且安裝特別方便，縮短工期。當(dāng)用于地?zé)帷厝斔蜕?，滿足降溫要求，實現(xiàn)長輸。用于水利、采礦傳統(tǒng)管道保溫的效果越來越差，因此對于北方地區(qū)而言，需要抗凍的地方，起不了抗凍的效果，極容易使管道損壞，這樣就又需要再次投入維修成本更換管道，而聚氨酯保溫管具有抗凍抗曬耐高溫，保溫管使用壽命長達30年，后期不用人工維修，代替了傳統(tǒng)的管道，萬里管道成為各種工程的指定產(chǎn)品。 </p> <p> <br /> 湖南預(yù)制聚氨酯保溫管標(biāo)準(zhǔn)</p><p style="text-indent:25px">寧波萬里管道有限公司成立于1993-04-14，是一家生產(chǎn)型的公司。公司業(yè)務(wù)分為[ "預(yù)制保溫管道", "架空保溫管道", "直埋蒸汽保溫管道", "聚氨酯保溫管道" ]等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供質(zhì)量的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造建筑、建材質(zhì)量品牌。公司憑借深厚技術(shù)支持，年營業(yè)額度達到1億元以上，并與多家行業(yè)**公司建立了緊密的合作關(guān)系。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/792519.html</p></div></div></div></div></div><div id="quwov7s" class="page-right twoColRt"><div id="dxzry3a" class="box01 margin10 clearfix"><h3><a 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