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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="b4a4rel" class="twoCol"><div id="2k4sbkg" 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>?山西FSA真空管道蝶閥等級頂耕國際貿(mào)易供應(yīng)</p><div id="osvhfig" class="leftbox clearfix"><h1>山西FSA真空管道蝶閥等級頂耕國際貿(mào)易供應(yīng)</h1><div id="jhupdfg" class="proBig"><div id="udcgehp" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737496279297/8393517.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yevengw" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737496279297/8393517.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="z9a94lk" 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>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>山西FSA真空管道蝶閥等級</p><p><span>***更新：</span>2020-05-31 00:28:36</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="qgvkzps" 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: </span>021-61637356</p><p><span>地址: </span>大葉公路5225號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="k5rcdpa" class="page-proshow02"><p class="title">詳細說明</p><div id="0kgbrs4" class="box"><p><p> 安裝說明： </p> <p> 1、安裝前必須仔細核對閥門的標(biāo)志、合格證是否符合使用要求，核實后應(yīng)進行清潔處理。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)用盲板保護法蘭密封面。 </p> <p> 2、根據(jù)介質(zhì)流動方向進行安裝；優(yōu)先考慮臥式安裝。 </p> <p> 3、蝶閥與管道的連接螺栓，安裝時應(yīng)按對角對方向多次擰緊，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，應(yīng)以蝶板處于關(guān)閉位置為宜，防止雜物進入閥腔搓傷密封面，用戶要試壓時，切要兩端用法蘭對夾裝好后試壓。 </p> <p> 5、閥門與管道連接時，要求管道上使用對焊鋼法蘭或蝶閥**法蘭。如果采用平焊鋼法蘭時，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，山西FSA真空管道蝶閥等級、電動蝶閥出廠時已將控制機構(gòu)的啟閉行程調(diào)好，為防止電源接通時方向搞錯，用戶在首先次接通電源前，山西FSA真空管道蝶閥等級，要先手動至關(guān)開位置的1/3初，山西FSA真空管道蝶閥等級。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，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="山西FSA真空管道蝶閥等級" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737496279297/8393517.png"></div><p> 金屬硬密封蝶閥作為一種用來實現(xiàn)管路系統(tǒng)通斷及流量控制的部件，已在石油、化工、冶金、水電等許多領(lǐng)域中得到極為很多地應(yīng)用。在已公知的蝶閥技術(shù)中，其密封形式多采用密封結(jié)構(gòu)，密封材料為橡膠、聚四氟乙烯等。由于結(jié)構(gòu)特征的限制，不適應(yīng)耐高溫、高壓及耐腐蝕、抗磨損等行業(yè)。現(xiàn)有一種比較先進的蝶閥是三偏心金屬硬密封蝶閥，閥體和閥座為連體構(gòu)件，閥座密封表面層堆焊耐溫、耐蝕合金材料。多層軟疊式密封圈固定在閥板上，這種蝶閥與傳統(tǒng)蝶閥相比具有耐高溫，操作輕便，啟閉無磨擦，關(guān)閉時隨著傳動機構(gòu)的力矩增大來補償密封，提高了蝶閥的密封性能及延長使用壽命的優(yōu)點。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西FSA真空管道蝶閥等級" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737496982422/7639979.png"></div><p> <br /> </p> <p> 高頸法蘭又稱之為對焊法蘭，它與平焊法蘭不同之處在于從法蘭與管子焊接處到法蘭盤有一段長而傾斜的高頸，此段高頸的壁厚沿高度方向逐漸過渡到管壁厚度，改善了應(yīng)力的不連續(xù)性，因而增加了法蘭強度。 </p> <p> 高頸法蘭主要用于工況比較苛刻的場合，如管道熱膨脹或其他載荷而使法蘭處受的應(yīng)力較大或應(yīng)力變化反復(fù)的場合，壓力、溫度大幅度波動的管道或高溫、高壓及零下低溫的管道。高頸法蘭不易變形，密封好，應(yīng)用***，公稱壓力PN1.0MPa~PN25.0MPa左右。 </p> <p> 高頸法蘭按照密封面的種類可以分為：平面高頸法蘭、突面高頸法蘭、凹凸面高頸法蘭、榫槽面搞法蘭、環(huán)連接面高頸法蘭。 </p> 高頸法蘭：與對焊法蘭相比，焊接工作量大，焊條耗量高，經(jīng)不起高溫高壓及反復(fù)彎曲和溫度波動，但現(xiàn)場安裝較方便，可省略焊縫拍片探傷的工序，較受歡迎。 <p> <br /> </p> <p> 制造標(biāo)準(zhǔn)：HG/T20615-2009、ASME B 16.5 </p> <p> 連接方式：法蘭螺母，螺栓連接 </p> <p> 生產(chǎn)工藝：專業(yè)整體鍛打，鍛壓制造等 </p> <p> 加工方式：高精度數(shù)控車床車削，普通車床精車，氬弧焊等加工 </p> <p> 應(yīng)用范圍：鍋爐壓力容器、石油、化工、造船、制藥、治金、機械、沖壓彎頭食品等行業(yè) </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西FSA真空管道蝶閥等級" src="https://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737494189453/4103674.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/90727.html</p></div></div></div></div></div><div id="iq5suz9" class="page-right twoColRt"><div id="oysknwz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="imrbibb" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" 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