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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>安徽預(yù)制聚氨酯保溫管推薦咨詢,聚氨酯保溫管</p><p><span>***更新：</span>2020-09-08 03:04:57</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="aikrgmt" 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(jī): </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="jy3ugnu" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="fery98l" class="box"><p><p> 聚氨酯保溫管中的保溫層是用髙壓發(fā)泡機(jī)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(yàn)。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(jì)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(jìn)的拋丸除銹工藝處理后,鋼管除銹等級可達(dá)GB8923-1988標(biāo)準(zhǔn)中的Sa2級,表面粗糙度可達(dá)GB6060，安徽預(yù)制聚氨酯保溫管推薦咨詢.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，安徽預(yù)制聚氨酯保溫管推薦咨詢，安徽預(yù)制聚氨酯保溫管推薦咨詢,使它形成—個整體。 </p> <p> <br /> 聚氨酯保溫管按照外護(hù)層的不同可以分為：高密度聚乙烯外護(hù)層聚氨酯保溫管、玻璃鋼外護(hù)層聚氨酯保溫管等。安徽預(yù)制聚氨酯保溫管推薦咨詢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽預(yù)制聚氨酯保溫管推薦咨詢,聚氨酯保溫管" src="http://tyunfile.71360.com/UploadFile/13386636601/637202360377705078/5886573.png"></div><p> 聚氨酯保溫管按照外護(hù)層的不同可以分為:玻璃鋼外護(hù)層聚氨酯保溫管、高密度聚乙烯外護(hù)層聚氨酯保溫管、鋼外護(hù)層聚氨酯保溫管及鍍鋅鐵皮螺旋風(fēng)管外護(hù)層保溫管。一般在室內(nèi)非陽光直射條件下，大多數(shù)聚氨酯保溫管都能滿足需求，而在室外條件下，施工單位一般選用鋼外護(hù)層聚氨酯保溫管和鍍鋅鐵皮螺旋風(fēng)管外護(hù)層保溫管，在長期風(fēng)吹日曬條件下，不會受到腐蝕，抗疲勞性較強(qiáng)，質(zhì)量穩(wěn)定可靠。高密度聚乙烯外護(hù)管只能應(yīng)用于埋地敷設(shè)的聚氨酯保溫管中，因?yàn)樵谑艿疥柟庹丈湎?，聚乙烯會出現(xiàn)開裂，影響保溫效果。 </p> <p> <br /> 河南預(yù)制聚氨酯保溫管推薦咨詢聚氨酯保溫管是以供暖熱水、冷卻水、空調(diào)供回水等為輸送介質(zhì)的預(yù)制型保溫管道。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽預(yù)制聚氨酯保溫管推薦咨詢,聚氨酯保溫管" src="http://tyunfile.71360.com/UploadFile/13386636601/637202360398623046/1464894.jpg"></div><p> 聚氨酯保溫管高的耐溫性能等級在140℃左右,50℃時導(dǎo)熱系數(shù)低于0.033,吸水率低于10%,閉孔率高達(dá)88%。髙質(zhì)量的聚氨酯保溫管外護(hù)層髙密度聚乙烯外套表面不應(yīng)有溝槽、裂紋、氣泡、雜質(zhì)、凹陷、顏色不均勻等情況,拉伸屈服強(qiáng)度大于19MPa,斷裂伸長率大于350%,具有良好保溫,防水防腐囯強(qiáng)度高不怕植物根刺等優(yōu)點(diǎn),該產(chǎn)品主要應(yīng)用于城鎮(zhèn)集中倛熱管網(wǎng),熱油輸送管線、廠區(qū)工業(yè)管道、室內(nèi)外熱力管網(wǎng)、高寒地區(qū)輸水管線等,還能滿足城鎮(zhèn)集中供冷領(lǐng)域的要求。該產(chǎn)品一般適用于輸送介質(zhì)溫度不高于140℃,壓力小于1.6MPa的流體輸送管道,正確的安裝和維護(hù)網(wǎng)管使用壽命可長達(dá)30年。 </p> <p> <br /> </p><p> 聚氨酯保溫管在安裝前需要進(jìn)行組對焊接，焊接后方可使用，在焊接時具有一定的規(guī)范，需要遵守且注意。以下是規(guī)范內(nèi)容： </p> <p> （1）焊件組對前及焊接前，應(yīng)將坡口及內(nèi)外側(cè)表面不小于20mm范圍內(nèi)的雜質(zhì)、污物、毛刺和鍍鋅層等清理干凈，并不得有裂縫、雜質(zhì)等缺點(diǎn)。 </p> <p> （2）管子及管件對接焊縫組對時，內(nèi)壁錯邊量不應(yīng)超過母材厚度的10％，且不應(yīng)大于2mm </p> <p> （3）焊接時，選用的焊劑應(yīng)與母材和焊絲相匹配。 </p> <p> （4）焊縫位置應(yīng)符合如下規(guī)定：直管段上兩對接焊口中心面間的距離，當(dāng)公稱尺寸大于或等于150mm時，不應(yīng)小于150mm時；除采用定型彎頭外，管道焊縫的中心與管起彎點(diǎn)的距離不應(yīng)小于管外徑，且不應(yīng)小于100mm。管道焊縫間距支管或管接頭的開孔邊緣不應(yīng)小于50mm，且不應(yīng)小于孔徑；管道環(huán)焊縫距支、吊架凈距不得小于50mm。需熱處理的焊縫距支、吊架不得小于焊縫寬度的5倍，且不得小于100mm。 </p> <p> （5）外管檢查滿足要求。 </p> <p> <br /> 聚氨酯保溫管的保溫施工一般選擇在早晨或傍晚，因?yàn)檫@時候的溫度相對比較合適。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽預(yù)制聚氨酯保溫管推薦咨詢,聚氨酯保溫管" src="http://tyunfile.71360.com/UploadFile/13386636601/637202360407636718/7837660.jpg"></div><p> 聚氨酯保溫管生產(chǎn)時需要一定的質(zhì)量控制，質(zhì)量對使用壽命影響非常大，以下是質(zhì)量控制要素： </p> <p> 1.保溫層拼縫寬度不得大于5mm。 </p> <p> 2.保溫層厚度偏差硬質(zhì)保溫材料允許偏差+10mm。軟質(zhì)保溫材料允許偏差- 5mm。 </p> <p> 3.表面平整、翹口、脫層、開裂等缺點(diǎn)。 </p> <p> 4.平整度檢查用1m長靠尺，絕熱層不得大于10mm。 </p> <p> 5.聚氨酯貼襯應(yīng)平整光滑，色澤均勻，與基體表面結(jié)合牢固，無起鼓，起泡每平方直徑不大于5mm應(yīng)在3個以下，不應(yīng)有脫層、固化不全和聚氨酯漏出的現(xiàn)象。萬里管道生產(chǎn)的聚氨酯保溫管，質(zhì)量安全可靠，值得客戶信賴。 </p> <p> <br /> 寧波萬里管道有限公司是專業(yè)從事保溫建材的研制、生產(chǎn)、推廣、銷售、施工服務(wù)于一體的大型企業(yè)。河南預(yù)制聚氨酯保溫管推薦咨詢</p><p style="text-indent:25px">聚氨酯保溫管是一種很受歡迎的保溫材料，因?yàn)榫郯滨ケ毓艿膬?yōu)點(diǎn)很多以及應(yīng)用范圍普遍。安徽預(yù)制聚氨酯保溫管推薦咨詢</p><p> 聚氨酯保溫管,就是用硬質(zhì)聚氨酯泡沫塑料做絕熱材料的保溫管道,其基本結(jié)構(gòu)由內(nèi)部工作管，中間硬質(zhì)聚氨酯泡沫塑料保溫層以及外防護(hù)管組成的。 </p> <p> 聚氨酯保溫管的分類分類方式很復(fù)雜,一般按照人們的習(xí)慣有一下幾種方式： </p> <p> 一、按照敷設(shè)方式可以分為:直埋聚氨酯保溫管、架空聚氨酯保溫管; </p> <p> 二、按照其輸送介質(zhì)的溫度可以分為:常溫聚氨酯保溫管、高溫聚氨酯保溫管、深冷聚氨酯保溫管； </p> <p> 三、按照外護(hù)層的不同可以分為:玻璃鋼外護(hù)層聚氨酯保溫管、高密度聚乙烯外護(hù)層聚氨酯保溫管、鋼外護(hù)層聚氨酯保濕管及其他外護(hù)層保溫管; </p> <p> 一般在工程施工中，聚氨酯保溫管**常用的分類方式還是以敷設(shè)方式來分，根據(jù)實(shí)際應(yīng)用環(huán)境來進(jìn)行分類，在施工中比較便利。 </p> <p> <br /> 安徽預(yù)制聚氨酯保溫管推薦咨詢</p><p style="text-indent:25px">寧波萬里管道有限公司致力于建筑、建材，是一家生產(chǎn)型公司。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(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事建筑、建材多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。萬里管道立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1197457.html</p></div></div></div></div></div><div id="akm8fl2" class="page-right twoColRt"><div id="7m2i2of" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8xebkbd" 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" 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="lfmosjw" 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