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id="qqskuli" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://m.cdcfah.com/cp/third-famenti_diefakna/">蝶閥</a>?山東德國真空管道蝶閥多少錢頂耕國際貿(mào)易供應(yīng)</p><div id="ydask8f" class="leftbox clearfix"><h1>山東德國真空管道蝶閥多少錢頂耕國際貿(mào)易供應(yīng)</h1><div id="3dasuwt" class="proBig"><div id="3ceqipw" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737494296875/3009218.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="p8ewolx" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737494296875/3009218.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ddqn77i" 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>山東德國真空管道蝶閥多少錢</p><p><span>***更新：</span>2020-06-02 18:15:08</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="fpmewoq" 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="hhz7gd3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="gf2h24i" class="box"><p><p> 對閥門密封性能的要求，要防止泄漏角度出發(fā)。根據(jù)其泄漏的不同部位和程度，導(dǎo)致閥門的泄漏情況不同，因此，需要提出不同的防漏措施。1閥門密封性原理密封就是防止泄漏，那么閥門密封性原理也是從防止泄漏研究的。造成泄漏的因素主要有兩個，一個是影響密封性能的**主要的因素，即密封副之間存在著間隙，山東德國真空管道蝶閥多少錢，另一個則是密封副的兩側(cè)之間存在著壓差。閥門密封性原理也是從液體的密封性、氣體的密封性、泄漏通道的密封原理和閥門密封副等四個方面來分析的，山東德國真空管道蝶閥多少錢。01液體的密封性液體的密封性是通過液體的粘度和表面張力來進(jìn)行。當(dāng)閥門泄漏的毛細(xì)管充滿氣體的時候，表面張力可能對液體進(jìn)行排斥，或者將液體引進(jìn)毛細(xì)管內(nèi)。這樣就形成了相切角。當(dāng)相切角小于90°的時候，液體就會被注入毛細(xì)管內(nèi)，這樣就會發(fā)生泄漏。發(fā)生泄漏的原因在于介質(zhì)的不同性質(zhì)。用不同介質(zhì)做試驗，在條件相同的情況下，會得出不同的結(jié)果，山東德國真空管道蝶閥多少錢。可以用水，用空氣或用煤油等。而當(dāng)相切角大于90°時，也會發(fā)生泄漏。因為與金屬表面上的油脂或蠟質(zhì)薄膜有關(guān)系。一旦這些表面的薄膜被溶解掉，金屬表面的特性就發(fā)生了變化，原來被排斥的液體，就會侵濕表面，發(fā)生泄漏。針對上述情況，根據(jù)泊松公式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東德國真空管道蝶閥多少錢" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737494296875/3009218.png"></div><p> 優(yōu)點 </p> <p> 1、啟閉方便迅速、省力、流體阻力小，可以經(jīng)常操作。 </p> <p> 2、結(jié)構(gòu)簡單，外形尺寸小，結(jié)構(gòu)長度短，體積小，重量輕，適用于大口徑的閥門。 </p> <p> 3、可以運(yùn)送泥漿，在管道口積存液體**少。 </p> <p> 4、低壓下，可以實現(xiàn)良好的密封。 </p> <p> 5、調(diào)節(jié)性能好。 </p> <p> 6、全開時閥座通道有效流通面積較大，流體阻力較小。 </p> <p> 7、啟閉力矩較小，由于轉(zhuǎn)軸兩側(cè)蝶板受介質(zhì)作用基本相等，而產(chǎn)生轉(zhuǎn)矩的方向相反，因而啟閉較省力。 </p> <p> 8、密封面材料一般采用橡膠、塑料、故低壓密封性能好。 </p> <p> 9、安裝方便。 </p> <p> 10、操作靈活省力，可選擇手動、電動、氣動、液壓方式。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東德國真空管道蝶閥多少錢" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129749337304688/5807955.png"></div><p> ? 根據(jù)DIN 2632-PN 10標(biāo)準(zhǔn)采用焊接而成，堅固耐用。 </p> <p> ? 閥體內(nèi)部采用錐形密封面，在保證密封性能同時又有效減少摩擦。 </p> <p> ? 通過填充物保護(hù)內(nèi)部滑動軸承，實現(xiàn)免維護(hù)。 </p> <p> ? 填充物密封閥門傳動軸，通過彈簧墊圈預(yù)加應(yīng)力。 </p> <p> ? 液壓缸安裝在閥軸側(cè)面，可根據(jù)客戶要求水平安裝、垂直安裝等。 </p> <p> ? 閥門可現(xiàn)場操作和遠(yuǎn)程操作。 </p> <p> ? **完整的液壓站，出廠時已注入油，配有液位檢測、溫度監(jiān)控等。 </p> <p> ? 閥站安裝在油箱頂部，配有電磁閥，壓力限制閥，速度控制閥，壓力限制開關(guān)，雙重液壓操作閥塊。 </p> <p> ? 電控柜安裝在油箱側(cè)部，面板上有緊停、啟動/停止、閥板打開/關(guān)閉、油溫/油位/故障警報等按鈕。 </p> <p> ? **液壓站和電控柜可根據(jù)客戶要求進(jìn)行選配。 </p> <p> ? 現(xiàn)場安裝時只需接入電源和控制閥門開/關(guān)的信號，閥門即可正常工作，不需特別調(diào)試。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東德國真空管道蝶閥多少錢" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129736101689453/4021167.png"></div></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/121290.html</p></div></div></div></div></div><div id="glnfc3x" class="page-right twoColRt"><div id="8kczmyv" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hm2hwd8" class="recomPic likePro"><a href="http://m.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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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