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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_psxt/">排水系統(tǒng)</a>?楚雄PVC管材銷售電話誠信為本云南金諾達管業(yè)供應(yīng)</p><div id="ly3mgsj" class="leftbox clearfix"><h1>楚雄PVC管材銷售電話誠信為本云南金諾達管業(yè)供應(yīng)</h1><div id="vou8itk" class="proBig"><div id="t7l7qgh" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/12/10/17/637115966446708345_ynjnd_4979288.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="88hlm2m" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/12/10/17/637115966446708345_ynjnd_4979288.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fnflxof" 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>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>楚雄PVC管材銷售電話</p><p><span>***更新：</span>2020-05-26 09:29:29</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="7ou7up3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">云南金諾達管業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>李丹</p><p><span>郵箱: </span>1923146905@qq.com</p><p><span>電話: </span>13888159527</p><p><span>傳真: </span>0871_67392876</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0871-67392876</p><p><span>地址: </span>昆明市官渡區(qū)昌宏路中林建材城H區(qū)1幢1-2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="7fqwn3h" class="page-proshow02"><p class="title">詳細說明</p><div id="voaqxy9" class="box"><p><p> PVC型材行業(yè)的現(xiàn)狀 </p> <p> 這個行業(yè)內(nèi)也存在著生產(chǎn)企業(yè)數(shù)量多(近400家)，產(chǎn)量小產(chǎn)能大(約280萬噸)，需求小(2003年全國型材銷售120萬噸)，產(chǎn)能不能完全發(fā)揮的矛盾，年產(chǎn)超過2萬噸的企業(yè)不到10家，產(chǎn)品質(zhì)量水平參差不齊，劣質(zhì)產(chǎn)品仍然有市場，行業(yè)質(zhì)量技術(shù)標(biāo)準(zhǔn)過低，不利于技術(shù)進步，楚雄PVC管材銷售電話，導(dǎo)致替代品鋁材卷土重來。高市場(30%)被外國品牌占據(jù)，中低檔市場無利可圖、競爭激烈，**終格局尚未形成。 </p> <p> 從工廠分布來看，在392家型材生產(chǎn)廠家中，東南地區(qū)37%，山東12%，中部地區(qū)17%，楚雄PVC管材銷售電話，東北地區(qū)19%，西部地區(qū)15%。從產(chǎn)能的分部來看2003年全國產(chǎn)能280萬噸，山東地區(qū)9%，中部地區(qū)1%，楚雄PVC管材銷售電話，東北地區(qū)32%，西部地區(qū)7%，東南地區(qū)39%。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="楚雄PVC管材銷售電話" src="http://tyunfile.71360.com/UpLoadFile/2019/12/10/17/637115966446708345_ynjnd_4979288.jpg"></div><p> 管材缺點1.不宜用于熱水管道,可作生活用水供水管,但不宜作為直接飲用水供水管。 </p> <p> 2.受沖擊時易脆裂。 </p> <p> 3.某些低質(zhì)假冒的UPVC管,在生產(chǎn)中加入了增塑劑,其可以造成介質(zhì)污染,且**縮短了UPVC管的老化期。尺寸規(guī)格硬PVC管有公稱外徑為50CM的,但是軟PVC管大的一般是50mm的。pvc管材管件 </p> <p> 硬PVC管規(guī)格:GB/T13020-1991 </p> <p> 軟PVC管規(guī)格:GB/T13527.1-1992 </p> <p> 硬PVC管有公稱外徑有:(單位mm) </p> <p> 2.5、3、4、5、6、.....355、400、450、500、560、630、710、800、900、1000等 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="楚雄PVC管材銷售電話" src="http://tyunfile.71360.com/UpLoadFile/2019/12/10/17/637115966431278205_ynjnd_7669807.jpg"></div><p> 1、溫度影響 </p> <p> UPVC管耐熱性能差，且在60℃以上環(huán)境抗拉強度下降(適用于連續(xù)排放溫度不超過40℃，瞬時排放溫度不超過80℃的生活污水)。因此，設(shè)計使用中應(yīng)遠離熱源，如距灶邊大于等于400mm，距熱水管道間距大于等于200mm，同時熱水管道應(yīng)采取保溫措施，不得穿越煙道和防火墻。 </p> <p> 低溫環(huán)境下硬聚氯乙烯塑料排水管抗沖擊強度降低。因此在有空調(diào)的設(shè)備轉(zhuǎn)換層，可以考慮采用鑄鐵管代替硬聚氯乙烯排水管，以保證排水安全性。 </p> <p> 由于受溫度影響大，膨脹系數(shù)大，每層立管及較長的橫管上均要求設(shè)置伸縮節(jié)。由此，其他專業(yè)布置時應(yīng)考慮UPVC管的缺口效應(yīng)，在與其它管道平行敷設(shè)時，塑料管靠邊，當(dāng)交叉敷設(shè)時，塑料管在下且應(yīng)錯開，并考慮加金屬套管防護。此外，立管穿越樓板屋面處應(yīng)作為固定支承點，并應(yīng)加裝柔性護套。 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