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class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="thndthf" class="twoCol"><div id="ndrpfvt" 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-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenti_diefakna/">蝶閥</a>?重慶進(jìn)口真空管道蝶閥材料頂耕國際貿(mào)易供應(yīng)</p><div id="htjpftz" class="leftbox clearfix"><h1>重慶進(jìn)口真空管道蝶閥材料頂耕國際貿(mào)易供應(yīng)</h1><div id="b5jp7vr" class="proBig"><div id="ddtjpnl" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737496982422/7639979.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tjxnlz7" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737496982422/7639979.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lzpf5xf" 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>重慶進(jìn)口真空管道蝶閥材料</p><p><span>***更新：</span>2020-05-26 14:33:22</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="zpvl55p" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">頂耕國際貿(mào)易（上海）有限公司</a></p><p><span>聯(lián)系人：</span>查劍來</p><p><span>郵箱: </span></p><p><span>電話: </span>18521036598</p><p><span>傳真: </span>021_61637356</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-61637356</p><p><span>地址: </span>大葉公路5225號(hào)1幢2370室</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="xxvbrnl" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="dtzhft3" class="box"><p><p> 真空閥門公稱通徑：(nominal diameter)，又稱平均外徑(mean outside diameter)，表示符號(hào)DN，就是各種管子與管路附件的通用口徑。同一公稱直徑的管子與管路附件均能相互連接，具有互換性.它不是實(shí)際意義上的管道外徑或內(nèi)徑，重慶進(jìn)口真空管道蝶閥材料，雖然其數(shù)值跟管道內(nèi)徑較為接近或相等，為了使管子、管件連接尺寸統(tǒng)一，采用公稱直徑（也稱公稱口徑、公稱通徑)。例如焊接鋼管按厚度可分為薄壁鋼管、普通鋼管和加厚鋼管。其公稱直徑不是外徑，也不是內(nèi)徑，而是近似普通鋼管內(nèi)徑的一個(gè)名義尺寸。每一公稱直徑，對(duì)應(yīng)一個(gè)外徑，其內(nèi)徑數(shù)值隨厚度不同而不同，重慶進(jìn)口真空管道蝶閥材料。公稱直徑可用公制mm表示，重慶進(jìn)口真空管道蝶閥材料，也可用英制in表示。管路附件也用公稱直徑表示，意義同有縫管。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶進(jìn)口真空管道蝶閥材料" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737496982422/7639979.png"></div><p> 安裝說明： </p> <p> 1、安裝前必須仔細(xì)核對(duì)閥門的標(biāo)志、合格證是否符合使用要求，核實(shí)后應(yīng)進(jìn)行清潔處理。未安裝使用的閥門應(yīng)存放在干燥的室內(nèi)。保管時(shí)間較長的閥門，要定期清洗，吹干、涂防銹油。閥門兩端應(yīng)用盲板保護(hù)法蘭密封面。 </p> <p> 2、根據(jù)介質(zhì)流動(dòng)方向進(jìn)行安裝；優(yōu)先考慮臥式安裝。 </p> <p> 3、蝶閥與管道的連接螺栓，安裝時(shí)應(yīng)按對(duì)角對(duì)方向多次擰緊，不得單件一次擰緊，以防受力不均而造成法蘭連接處泄漏。 </p> <p> 4、蝶閥安裝時(shí)，應(yīng)以蝶板處于關(guān)閉位置為宜，防止雜物進(jìn)入閥腔搓傷密封面，用戶要試壓時(shí)，切要兩端用法蘭對(duì)夾裝好后試壓。 </p> <p> 5、閥門與管道連接時(shí)，要求管道上使用對(duì)焊鋼法蘭或蝶閥**法蘭。如果采用平焊鋼法蘭時(shí)，必須要求法蘭內(nèi)孔與墊圈內(nèi)孔一樣大，以保證墊圈的有效密封面。 </p> <p> 6、電動(dòng)蝶閥出廠時(shí)已將控制機(jī)構(gòu)的啟閉行程調(diào)好，為防止電源接通時(shí)方向搞錯(cuò)，用戶在首先次接通電源前，要先手動(dòng)至關(guān)開位置的1/3初。并檢查指示盤方向與閥門開啟方向是否一致。 </p> <p> 7、閥門在使用時(shí)，如發(fā)現(xiàn)故障，應(yīng)立即停止使用 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶進(jìn)口真空管道蝶閥材料" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737494296875/3009218.png"></div><p> 德國FSA FDEK系列真空主閥的結(jié)構(gòu)形式為金屬硬密封碟閥，在容許的溫度和壓力范圍內(nèi)，可對(duì)介質(zhì)的流通實(shí)現(xiàn)關(guān)斷和調(diào)控。標(biāo)準(zhǔn)產(chǎn)品口徑從DN800到DN2000，也可接受其他尺寸要求。目前在國內(nèi)鋼廠，特別是在RH精煉工藝中應(yīng)用十分很多，市場(chǎng)占有率高達(dá)97%，并得到用戶一致認(rèn)可。 </p> <p> ? 工況條件如下： </p> <p> 介質(zhì)：含灰塵氣體 </p> <p> 溫度：≤350℃ </p> <p> 工作壓差：≤1bar </p> <p> 閥門開閉時(shí)間：約30S </p> <p> 液壓站防護(hù)等級(jí)：IP55 </p> <p> 電控柜防護(hù)等級(jí)：IP67 </p> <p> 密封等級(jí)：DIN EN 12266 rate A(零泄漏) </p> <p> <br /> </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶進(jìn)口真空管道蝶閥材料" src="https://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737718496094/8657721.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/48858.html</p></div></div></div></div></div><div id="vbhfnbr" class="page-right twoColRt"><div id="3tjh3nd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="5d5xd5r" 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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