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href="http://m.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://m.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://m.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://m.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="xlajaqf" class="twoCol"><div id="3eb3xmi" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁(yè)?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jzjc/">建筑、建材</a>?<a href="http://m.cdcfah.com/cp/second-jzjc_jzjclgc/">建筑、建材類管材</a>?<a href="http://m.cdcfah.com/cp/third-jzjclgc_qtjzjclgc/">其他建筑、建材類管材</a>?廈門質(zhì)量鑄鐵管供應(yīng) 廈門常達(dá)管業(yè)供應(yīng)</p><div id="e7o2wyf" class="leftbox clearfix"><h1>廈門質(zhì)量鑄鐵管供應(yīng) 廈門常達(dá)管業(yè)供應(yīng)</h1><div id="nczo8y3" class="proBig"><div id="3fcof73" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/changdaguanye/637174757289003906/5214291.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3a73zgd" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/changdaguanye/637174757289003906/5214291.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qax3cht" 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>福建省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廈門質(zhì)量鑄鐵管供應(yīng)</p><p><span>***更新：</span>2020-05-29 03:04:47</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="eyah7h9" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">廈門常達(dá)管業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span>1067193638@qq.com</p><p><span>電話: </span>15392286572</p><p><span>傳真: </span>0592_2286572</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0592-2286572</p><p><span>地址: </span>廈門市集美區(qū)寧海二里</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="kz892xm" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hwovcwi" class="box"><p><p> 球墨鑄鐵管的維護(hù)保養(yǎng)可以說要一直從其選型開始，在項(xiàng)目開工前我們就應(yīng)該對(duì)所需要用到的部件，如管材件、膠圈、彎頭等就行一次肉眼目測(cè)的外觀檢查，廈門質(zhì)量鑄鐵管供應(yīng)，避免使用帶病的部件。二個(gè)保養(yǎng)的關(guān)鍵點(diǎn)是驗(yàn)收工作時(shí)間我們應(yīng)該著重注意到影響長(zhǎng)期穩(wěn)定運(yùn)行的承插口膠圈下管（排管）等，要力求在這幾方面的承口沒有雜物。膠圈已北橡皮錘砸實(shí)不翹不扭，均勻地卡在槽內(nèi)，廈門質(zhì)量鑄鐵管供應(yīng)。球墨鑄鐵管的維護(hù)保養(yǎng)過程中，由于動(dòng)管軸心線是深埋在地下的，因此遇有傾斜角時(shí)，廈門質(zhì)量鑄鐵管供應(yīng)，要小心，若阻力過大，切勿強(qiáng)行開挖，以防橡膠圈扭曲。球墨鑄鐵管在冬季的維護(hù)還需要注意用熱水預(yù)熱，以減少硬度，迅速安裝。 </p> <p> <br /> </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廈門質(zhì)量鑄鐵管供應(yīng)" src="http://tyunfile.71360.com/UploadFile/changdaguanye/637174757289003906/5214291.jpg"></div><p style="text-indent:25px">球墨鑄鐵管的缺點(diǎn)：球墨鑄鐵管的連接受人為因素如操作水平、責(zé)任心等影響較大，施工方面不如PE管便捷.但是球墨鑄鐵管具有**度、耐高壓、使用時(shí)間長(zhǎng)的特點(diǎn)。PE管的優(yōu)點(diǎn)：PE管具有良好的耐腐蝕性其抗無機(jī)物性能比金屬管強(qiáng)得多，在埋地敷設(shè)時(shí)不需要防腐,施工方便。小口徑PE管在性能價(jià)格比上優(yōu)于鋼管和球墨鑄鐵管.PE管得缺點(diǎn)：苯、汽油、四氯化碳等有機(jī)溶劑對(duì)聚乙烯有一定得影響。有機(jī)溶劑如果滲入聚乙烯內(nèi)，會(huì)出現(xiàn)溶脹現(xiàn)象，其物理性能就下降，其耐壓性、耐溫度變化性能較差。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廈門質(zhì)量鑄鐵管供應(yīng)" src="http://tyunfile.71360.com/UploadFile/changdaguanye/637174757847832031/2981332.jpg"></div><p style="text-indent:25px">球墨鑄鐵管的公稱口徑為80~2200毫米，與灰口鑄鐵管相比，強(qiáng)度大、韌性好、管壁薄、金屬用量少、能承受較高的壓力，有效長(zhǎng)度有5米，6米及8米;按壁厚不同分P、G兩級(jí)。是鑄鐵管材的發(fā)展方向。球墨鑄鐵管采用煉鐵高爐生產(chǎn)的低磷、低硫的質(zhì)量鑄造鐵水，按當(dāng)前國(guó)際上先進(jìn)的離心鑄造、退火工藝，水冷金屬型離心鑄管機(jī)澆鑄而成，經(jīng)過退火、承插口修整、水壓試驗(yàn)、內(nèi)壁襯層水泥、水泥襯層養(yǎng)生、水磨水泥內(nèi)襯、外壁涂敷瀝青漆、瀝青漆烘烤、承口防銹處理、噴嘜頭及包裝等多道工序的精心處理，具有**度、高延伸率、耐腐蝕的鋼筋鐵骨。</p><div style="width:100%;text-align: center;"><img 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