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class="home-main container clearfix"><div id="tni3tis" class="twoCol"><div id="3vw3t8l" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a 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_qtgdxt/">其他管道系統(tǒng)</a>?云南給水雙壁波紋管品牌哪家好和諧共贏昆明元森商貿(mào)供應(yīng)</p><div id="dwciyin" class="leftbox clearfix"><h1>云南給水雙壁波紋管品牌哪家好和諧共贏昆明元森商貿(mào)供應(yīng)</h1><div id="3ufbqlw" class="proBig"><div id="jxwbq8t" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/yuansenshangmao/637179004145654296/4183873.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uxiod3l" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/yuansenshangmao/637179004145654296/4183873.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nfppazz" 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>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>云南給水雙壁波紋管品牌哪家好,雙壁波紋管</p><p><span>***更新：</span>2020-12-29 04:04:20</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="ky88bbv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">昆明元森商貿(mào)有限公司</a></p><p><span>聯(lián)系人：</span>田經(jīng)理</p><p><span>郵箱: </span>770766629@qq.com</p><p><span>電話: </span>18988498405</p><p><span>傳真: </span>0871_67271698</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0871-67271698</p><p><span>地址: </span>云南省昆明市官渡區(qū)東聚五金機(jī)電城東聚大廈317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="n8ddett" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="yv5igmg" class="box"><p><p style="text-indent:25px">塑料波紋管的制造方法簡單，在某些情況下，它可以代替金屬波紋管以節(jié)省成本，價(jià)格便宜，并且膨脹性能優(yōu)異。但是塑料波紋管的應(yīng)用受三個(gè)因素的限制，一個(gè)是閥門所處環(huán)境的溫度及介質(zhì)的溫度，溫度太高容易造成波紋管的老化變形，所以它的長期使用溫度一般不超過180°C，低溫情況下沒有具體要求；二是受管道內(nèi)壓力限制（一般選擇塑料波紋管的工況壓力不高于12公斤），壓力過高則會(huì)將閥門內(nèi)襯材料從閥門內(nèi)壁吸出，造成閥門堵塞；另一個(gè)因素就是介質(zhì)的化學(xué)性質(zhì)，塑料波紋管可應(yīng)用在甲酸、鹽酸、氯化物等強(qiáng)腐蝕性介質(zhì)上，但是當(dāng)介質(zhì)是與其分子式相似的介質(zhì)時(shí)，云南給水雙壁波紋管品牌哪家好，就會(huì)發(fā)生相似相溶，云南給水雙壁波紋管品牌哪家好，此時(shí)不可應(yīng)用，例如四氯化硅。塑料波紋管的壽命普通為5年，可以或許出產(chǎn)的廠家有RICHTER、福斯、薩姆森，云南給水雙壁波紋管品牌哪家好、費(fèi)希爾等。塑料波紋管廣泛應(yīng)用于各行各業(yè)，比金屬波紋管多。HDPE雙壁波紋管是在擠出成型過程中由兩個(gè)光滑內(nèi)壁和波紋狀外壁同心管。云南給水雙壁波紋管品牌哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南給水雙壁波紋管品牌哪家好,雙壁波紋管" src="http://tyunfile.71360.com/UploadFile/yuansenshangmao/637179004145654296/4183873.jpg"></div><p style="text-indent:25px">波紋管的安裝位置有兩種，一種安裝在閥體內(nèi)部，波紋管由聚四氟乙烯制成，上端與上閥蓋的襯氟為一體，其下端與閥芯相接，起到固定閥芯的作用，同時(shí)還保護(hù)閥桿不受侵蝕和沖刷；一種安裝在閥體外部，波紋管大多為金屬制成，一端在閥桿上部固定，一端為自由端，在波紋管**還有一層保護(hù)層，該保護(hù)層既起到保護(hù)波紋管的作用，又起到波紋管損壞時(shí)保證一定時(shí)間內(nèi)閥內(nèi)介質(zhì)不會(huì)污染環(huán)境的作用。根據(jù)波紋管的材質(zhì)可分為塑料波紋管和金屬波紋管兩大類..塑料波紋管，也稱為聚四氟乙烯波紋管，是由溶解和熔化的管狀聚四氟乙烯和體積聚四氟乙烯制成的，它們是在壓力下形成的。云南UPVC雙壁波紋管批發(fā)波紋管哪種好、HDPE雙壁波紋管、PE雙壁波紋管，昆明元森商貿(mào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南給水雙壁波紋管品牌哪家好,雙壁波紋管" src="http://tyunfile.71360.com/UploadFile/yuansenshangmao/637179004145654296/9281509.jpg"></div><p> 3、當(dāng)波紋長度小于或等于外徑時(shí)，計(jì)算結(jié)果非常接近實(shí)際爆破壓力;細(xì)長波紋管的實(shí)際爆破壓力要低得多。爆破壓力約為允許工作壓力的3至10倍。 </p> <p> 4、波紋管的耐壓性實(shí)際上屬于波紋管的強(qiáng)度類別。計(jì)算的關(guān)鍵是應(yīng)力分析，即分析波紋管壁上的應(yīng)力。只要波紋管壁上較大應(yīng)力點(diǎn)處的應(yīng)力不超過材料的屈服強(qiáng)度，波紋管上的壓力就不會(huì)達(dá)到其承受壓力。 </p> <p> 5、耐壓性能是波紋管性能的重要參數(shù)。當(dāng)波紋管處于室溫時(shí)，塑性變形所能承受的較大的靜壓對(duì)波形，即波紋管的較大阻力壓力。一般情況下，波紋管處于一定的壓力（內(nèi)壓或外壓）。因此，在整個(gè)工作過程中，它必須在不發(fā)生塑性變形的情況下承受這種壓力。 </p><p> HDPE雙壁波紋管在生產(chǎn)的過程當(dāng)中，主要的是兩個(gè)部分進(jìn)行成型，一個(gè)是管胚的制造，第二個(gè)是波紋管的成型工藝。 </p> <p> 所制造的管胚，所使用凹模和凸模具中制造，然后反復(fù)拉伸轉(zhuǎn)動(dòng)引拔制造，需要特殊的模具中，熱處理和清洗設(shè)備，這種方法適用于制造小直徑管。對(duì)于兩種方法需要大直徑焊接呆料，這種方法不僅效率高，成本低，但他們還需要使用**設(shè)備進(jìn)行處理。 </p> <p> 在波紋管的成型過程中，首先要對(duì)管坯進(jìn)行展開，使管壁變薄，才能形成波紋管。雖然波形成型后的形狀受模板的控制，但由于熱處理等因素，每個(gè)波形都不會(huì)完全一樣。而且成型之后的HDPE雙壁波紋管具有很好的性質(zhì)。在抗壓強(qiáng)度還是在一些抗沖擊強(qiáng)度這些方面，都是在塑料管材方面遙遙**。 </p> <p> HDPE雙壁波紋管發(fā)展已經(jīng)十分的成熟，所采用的還是基礎(chǔ)成型設(shè)備，不過在擠出成型的時(shí)候，所采用的是兩臺(tái)擠出機(jī)來進(jìn)行同時(shí)擠出成型。而且在成型的過程當(dāng)中，還要有著一臺(tái)博文成型機(jī)來進(jìn)行博文的成型，在波紋成型的時(shí)候，就需要控制好擠出機(jī)的擠出速率，這樣才能夠保證擠出來的HDPE雙壁波紋管性能的良好。在同等負(fù)荷的條件下，雙壁波紋管只需要較薄的管壁就可以滿足要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南給水雙壁波紋管品牌哪家好,雙壁波紋管" src="http://tyunfile.71360.com/UploadFile/yuansenshangmao/637179004147714843/9130275.jpg"></div><p style="text-indent:25px">波紋管的在各個(gè)行業(yè)的很多運(yùn)用，在實(shí)際加工和使用中，經(jīng)常會(huì)出現(xiàn)一些原因使得波紋管損壞，這是需要我們注意的地方，下面接著帶大家了解波紋管的保護(hù)要點(diǎn)。 1. 搬運(yùn)到現(xiàn)場的波紋管要集中堆放整齊，不能在波紋管上踩。2. 波紋管要覆蓋保護(hù)，防止風(fēng)吹雨淋使其提前老化。3. 切割波紋管要平直，不能切成斜口。4. 波紋管接頭的方法：波紋管接頭處要外包0.3米長的大號(hào)波紋管，并且兩端頭要對(duì)半擰緊，中間不得留有空隙。為保證中間不留空隙，應(yīng)在兩接頭端頭處做好標(biāo)記。做好后要用膠帶包裹嚴(yán)密，以防漏漿。5. 波紋管位置定位要準(zhǔn)確，尤其是靠近接頭的部位，波紋管定位鋼筋間距為0.5米，不能缺少。6. 焊接鋼筋靠近波紋管時(shí)，要采取措施保護(hù)波紋管不能被灼傷，如果不小心被灼傷到，灼傷處要用膠帶包裹嚴(yán)密。7. 考慮到頂板波紋管數(shù)量在逐漸減少，但凡與波紋管不匹配的部件都要避讓波紋管。8. 澆筑砼時(shí)，不能對(duì)著波紋管放料。振搗棒不能與波紋管碰撞，嚴(yán)禁兩個(gè)振搗棒夾著一根波紋管振搗。特別是腹板振搗時(shí)，嚴(yán)禁振搗棒在同一位置長時(shí)間振搗，振搗時(shí)間以不超過20秒為準(zhǔn)。9. 拆模時(shí) 注意保護(hù)端頭處外漏的波紋管。HDPE中空壁纏繞管由熱熔帶連接，界面受熱焊接。云南供水雙壁波紋管規(guī)格齊全</p><p style="text-indent:25px">PVC雙壁波紋管與PE雙壁波紋管施工方法相同。云南給水雙壁波紋管品牌哪家好</p>塑料埋地排水管屬于“柔性管”，即在破壞之前可以有較大的變形。而混凝土排水管屬于“剛性管”，即在破壞之前不可能有較大變形。當(dāng)埋在地下承受外壓負(fù)載時(shí)，“柔性管”和“剛性管”的機(jī)理是完全不同的。 <p> 3、水力特性比較：塑料管的內(nèi)壁粗糙度為n=0.01，而混凝土管為n=0.013，根據(jù)流速公式V=1/n** ，在相同管徑與水力坡降條件下，雙壁波紋管與水泥管的輸水量相差30%以上。 </p> <p> 4、運(yùn)輸安裝與施工比較：雙壁波紋管重量輕，運(yùn)輸和搬運(yùn)方便，施工速度快，安裝費(fèi)用低，根據(jù)測算：如DN500mm管材用3-4人既可安裝，時(shí)間只需5-6min，正常情況下，從開挖(用機(jī)械開挖)――平基――裝管――回填，8小時(shí)可裝管40m，比同口徑的水泥管安裝時(shí)間節(jié)省50%以上。而水泥管需機(jī)械吊裝，所以在安裝費(fèi)中還要扣除機(jī)械臺(tái)班費(fèi)。云南給水雙壁波紋管品牌哪家好</p><p style="text-indent:25px">昆明元森商貿(mào)有限公司是一家有著雄厚實(shí)力背景、信譽(yù)可靠、勵(lì)精圖治、展望未來、有夢(mèng)想有目標(biāo)，有組織有體系的公司，堅(jiān)持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍(lán)圖，在云南省昆明市等地區(qū)的建筑、建材行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻(xiàn)出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強(qiáng)不息，斗志昂揚(yáng)的的企業(yè)精神將**昆明元森商貿(mào)和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實(shí)守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2608421.html</p></div></div></div></div></div><div id="2q3t8ml" class="page-right twoColRt"><div id="3gnc3kl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lomhcio" 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" 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