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tcPro"><section class="home-main container clearfix"><div id="im2bipy" class="twoCol"><div id="zduwawf" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_famen/">閥門(mén)</a>?<a href="http://www.cdcfah.com/cp/third-famen_fmpj/">閥門(mén)配件</a>?江蘇截止閥閥座磨損修復(fù) 歡迎來(lái)電上海含商建設(shè)工程供應(yīng)</p><div id="fd7tvc7" class="leftbox clearfix"><h1>江蘇截止閥閥座磨損修復(fù) 歡迎來(lái)電上海含商建設(shè)工程供應(yīng)</h1><div id="2kwmqrv" class="proBig"><div id="ibik4en" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhanshang/637444325321836105/4271419.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fj8j3u8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhanshang/637444325321836105/4271419.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="iq32rc7" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇截止閥閥座磨損修復(fù),閥座</p><p><span>***更新：</span>2021-01-12 05:19:24</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dq3wdae" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海含商建設(shè)工程有限公司</a></p><p><span>聯(lián)系人：</span>朱瑩</p><p><span>郵箱: </span>Irene_zy516@163.com</p><p><span>電話: </span>13918191286</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://shhanshang.shop.88360.com</p><p><span>手機(jī): </span>021-58210069</p><p><span>地址: </span>上海市崇明區(qū)新河鎮(zhèn)新申路921弄2號(hào)L區(qū)228室(上海富盛經(jīng)濟(jì)開(kāi)發(fā)區(qū))</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="2se2tjl" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="zi8nz72" class="box"><p><p style="text-indent:25px">氣門(mén)閥座和導(dǎo)管孔的加工精度有很高的要求，特別是對(duì)氣門(mén)閥座工作錐面與導(dǎo)管孔的相互間的同軸度規(guī)定了很嚴(yán)的公差。閘閥內(nèi)拆式面構(gòu)件，用以支撐點(diǎn)閥心全關(guān)部位，并組成密封性副。一般閥座直徑即是閘閥較大商品流通直徑。例如碟閥的閥座材料十分普遍，各種硫化橡膠，塑膠，金屬?gòu)?fù)合材料均可做為閥座材料，比如:EPDM，NBR，江蘇截止閥閥座磨損修復(fù)，NR，PTFE，PEEK，PFA，SS315，江蘇截止閥閥座磨損修復(fù)，STELLITE這些，江蘇截止閥閥座磨損修復(fù)。應(yīng)用有延展性的橡膠密封件及小的電動(dòng)執(zhí)行器阻力來(lái)得到汽泡嚴(yán)實(shí)級(jí)密封性，縮小閥座密封性地應(yīng)力使原材料彈性變形而擠入適用的金屬材料零件的不光滑表層，以堵塞所有的泄露通道。閥門(mén)一旦上游密封意外失效產(chǎn)生泄漏,下游閥座實(shí)現(xiàn)密封。江蘇截止閥閥座磨損修復(fù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇截止閥閥座磨損修復(fù),閥座" src="https://tyunfile.71360.com/UploadFile/shhanshang/637444325321836105/4271419.png"></div><p style="text-indent:25px">聚四氟乙烯(PTFE)閥座是天津某公司表示作之一。精細(xì)的閥板制作過(guò)程，充分體現(xiàn)了質(zhì)量很好，顧客至上，精益求精的理念天津某公司位于天津市濱海新區(qū)，是集設(shè)計(jì)開(kāi)發(fā)、生產(chǎn)、安裝、銷售、服務(wù)為一體的專業(yè)化閥門(mén)制造企業(yè)主導(dǎo)產(chǎn)品有:中線蝶閥、法蘭蝶閥、金屬蝶閥、閘閥、止回閥、水力控制閥、微阻緩閉止回閥、多功能水泵控制閥等系列產(chǎn)品。蝶閥的閥座，也叫密封圈，是關(guān)系到蝶閥密封性能的一個(gè)零部件，同時(shí)也是受管道內(nèi)介質(zhì)腐蝕、沖蝕嚴(yán)重的一個(gè)地方。湖北對(duì)夾蝶閥閥座檢修聚四氟乙烯閥座線膨脹系數(shù)為(10~15)乘以10-5/C,抗拉強(qiáng)度為10~30MPa。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇截止閥閥座磨損修復(fù),閥座" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408582166787755/8558756.png"></div><p style="text-indent:25px">閥座密度為15g/cm3，導(dǎo)熱系數(shù)為025W/(m#c)，線膨脹系數(shù)約為105×10-5/℃，抗拉強(qiáng)度為196MPa，彈性模量為1300MPa，抗壓強(qiáng)度為310MPa，彎曲強(qiáng)度為310MPa，耐化學(xué)性能良好，耐弱酸、弱堿和一般溶液，耐油性能優(yōu)異。對(duì)位聚苯：對(duì)位聚苯(PPL)具有耐高溫性，耐化學(xué)腐蝕性，抗溶劑性，自潤(rùn)滑性，耐輻射性，低摩擦系數(shù)(013)等特點(diǎn)。密度為2g/cm3，線膨脹系數(shù)約為51×10-5/℃，硬度為80HS，抗拉強(qiáng)度為16MPa，抗壓強(qiáng)度為48MPa，彎曲強(qiáng)度為28MPa。能耐硫酸、氫氟酸等強(qiáng)酸強(qiáng)堿的腐蝕。聚醚醚酮：聚醚醚酮(PEEK)具有熱固性塑料的耐熱性，化學(xué)穩(wěn)定性和熱塑性塑料的成型加工性能，連續(xù)使用溫度可達(dá)240℃以上，玻璃纖維增強(qiáng)可達(dá)300℃以上，密度為13g/cm3，抗拉強(qiáng)度為162MPa，彎曲強(qiáng)度為233MPa。</p><p style="text-indent:25px">閥座的流量特性：是指輸入壓力一定時(shí)，輸出壓力必須低于輸出流量g的變化而變化的特性。當(dāng)流量g發(fā)生變化時(shí)，輸出壓力的變化越小越好。一般輸出壓力越低，它隨輸出流量的變化波動(dòng)就越小。它可將閥座前管路較高的液體壓力減少至閥座后管路所需的水平。這里的傳輸介質(zhì)主要是水。閥座普遍用于高層建筑、城市給水管網(wǎng)水壓過(guò)高的區(qū)域、礦井及其他場(chǎng)合，以保證給水系統(tǒng)的水壓大小成正比，因此閥座具有改善系統(tǒng)運(yùn)行工況和潛在節(jié)水作用，據(jù)統(tǒng)計(jì)其節(jié)水效果約為30%。閥座結(jié)構(gòu)簡(jiǎn)略、體積小、重量輕，只由少量幾個(gè)零件組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇截止閥閥座磨損修復(fù),閥座" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408581774717450/7860008.png"></div><p style="text-indent:25px">硬密封閥座結(jié)構(gòu)：（1）本體堆焊式：本體堆焊式閥座是在某種金屬材料上堆焊硬質(zhì)合金，閥座帶有一個(gè)彈性尾座，有利于減少密封面的摩擦損傷。（2）多層式：多層式密封閥座是多層不銹鋼片和多層薄石墨片交替疊放經(jīng)特殊的加工手段卷壓制而成的，提高了高溫高壓下的性能。（3）空心管式：空心管式密封閥座內(nèi)外是襯套，中間是不銹鋼管，靠空心的彈力使閥座壓緊球體。（4）旋轉(zhuǎn)式：旋轉(zhuǎn)密封閥座主要特點(diǎn)是閥門(mén)在啟閉過(guò)程中，閥座可沿通道軸線作旋轉(zhuǎn)運(yùn)動(dòng)，其結(jié)構(gòu)在閥座的圓周上分布一圈齒牙，球體每關(guān)閉一次，閥座旋轉(zhuǎn)一個(gè)齒。這樣使閥座沿圓周產(chǎn)生均勻磨損，從而改善了閥座工作狀況，延長(zhǎng)了閥座的使用壽命。閥座閥前閥座密封面上的比壓相應(yīng)減小，往往不保證密封。江蘇截止閥閥座磨損修復(fù)</p><p style="text-indent:25px">閥座材料的滲透性對(duì)流體來(lái)說(shuō)是少量泄漏的根據(jù)。江蘇截止閥閥座磨損修復(fù)</p><p style="text-indent:25px">閥座主要材料性能耐熱性從大到小是PTFE260°C以上>PFA260°C>FEP200°C>>ETFE150°C。PTFE:(聚四氟乙烯)不粘涂料可以在260°C連續(xù)使用，具有較高使用溫度0-300C，極低的摩擦系數(shù)、良好的耐磨性以及極好的化學(xué)穩(wěn)定性。FEP:(氟化乙烯丙烯共聚物)不粘涂料在烘烤時(shí)熔融流動(dòng)形成無(wú)孔薄膜，具有優(yōu)越的化學(xué)穩(wěn)定性、極好的不粘特性，較高使用溫度為200°C。PFA:(過(guò)氟烷基化物)不粘涂料與FEP一樣在烘烤時(shí)熔融流動(dòng)形成無(wú)孔薄膜。PFA的優(yōu)點(diǎn)是具有更高的連續(xù)使用溫度260°C，更強(qiáng)的剛韌度，特別適合使用在高溫條件下防粘和耐化學(xué)性使用領(lǐng)域。江蘇截止閥閥座磨損修復(fù)</p><p style="text-indent:25px">上海含商建設(shè)工程有限公司位于上海市崇明區(qū)新河鎮(zhèn)新申路921弄2號(hào)L區(qū)228室(上海富盛經(jīng)濟(jì)開(kāi)發(fā)區(qū))，交通便利，環(huán)境優(yōu)美，是一家服務(wù)型企業(yè)。公司致力于為客戶提供安全、質(zhì)量有保證的良好產(chǎn)品及服務(wù)，是一家有限責(zé)任公司（自然）企業(yè)。公司始終堅(jiān)持客戶需求優(yōu)先的原則，致力于提供高質(zhì)量的維修高壓主汽門(mén)、高壓調(diào)門(mén)，維修中壓主汽門(mén)、中壓調(diào)門(mén)，閥座的車削、堆焊、補(bǔ)焊，熱處理、研磨。上海含商建設(shè)自成立以來(lái)，一直堅(jiān)持走正規(guī)化、專業(yè)化路線，得到了廣大客戶及社會(huì)各界的普遍認(rèn)可與大力支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2810415.html</p></div></div></div></div></div><div id="mzd8hyk" 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