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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>鄭州GI型-手動高真空蝶閥,真空閥門</p><p><span>***更新：</span>2020-10-26 11:26:05</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="o2yaxzg" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海卓帕真空技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>范裕軍</p><p><span>郵箱: </span>469585075@qq.com</p><p><span>電話: </span>17317798775</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.zapavac.cn</p><p><span>手機(jī): </span>021-52999935</p><p><span>地址: </span>曹楊路1017號一幢三樓3193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="wblxzg2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lkhjqce" class="box"><p><p style="text-indent:25px">手動高真空擋板閥用于接通或切斷真空管路中的氣流。適用介質(zhì)為純凈空氣和非腐蝕性氣體。按軸封結(jié)構(gòu)可分GD-J型橡膠軸封和GD-J（b）型波紋管軸封兩種，鄭州GI型-手動高真空蝶閥。按通導(dǎo)形式可分GD-J為角通型式，GD-S為帶預(yù)抽口的三通型式。氣動高真空擋板閥（又稱角閥）是用壓縮空氣為動力，通過電磁換向閥改變氣路方向，推動氣缸活塞上下運(yùn)動，帶動閥桿上下運(yùn)動，使閥板開啟或關(guān)閉，從而達(dá)到在真空系統(tǒng)中接通或切斷氣流的目的。GDQ-J型為角通型式，鄭州GI型-手動高真空蝶閥，GDQ-S型為帶預(yù)抽口的三通型式，鄭州GI型-手動高真空蝶閥。適用的工作介質(zhì)為空氣及非腐蝕性氣體。真空閥門所選用的閥體閥蓋中部和閥座軸封密封0型圈材質(zhì)有丁睛橡膠和氟橡膠，碳鋼材質(zhì)均為丁睛橡膠密封。鄭州GI型-手動高真空蝶閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鄭州GI型-手動高真空蝶閥,真空閥門" src="https://tyunfile.71360.com/UploadFile/shzpzkgs/637364817201894532/9492003.png"></div><p style="text-indent:25px">采用金屬密封的閥門一般比彈性密封的閥門壽命長，但很難做到完全密封。金屬密封能適應(yīng)較高的工作溫度，彈性密封則具有受溫度限制的缺陷。如果要求蝶閥作為流量控制使用，主要的是正確選擇閥門的尺寸和類型。蝶閥的結(jié)構(gòu)原理尤其適合制作大口徑閥門。蝶閥不僅在石油、煤氣、化工、水處理等一般工業(yè)上得到普遍應(yīng)用，而且還應(yīng)用于熱電站的冷卻水系統(tǒng)。常用的蝶閥有對夾式蝶閥和法蘭式蝶閥兩種。對夾式蝶閥是用雙頭螺栓將閥門連接在兩管道法蘭之間，法蘭式蝶閥是閥門上帶有法蘭，用螺栓將閥門上兩端法蘭連接在管道法蘭上。湖北真空閥門手動高真空蝶閥一般應(yīng)用于工作介質(zhì)具有一定腐蝕性介質(zhì)工作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鄭州GI型-手動高真空蝶閥,真空閥門" src="https://tyunfile.71360.com/UploadFile/shzpzkgs/637364817548066407/6713432.png"></div><p style="text-indent:25px">如何正確地選用各種真空閥門？蝶閥的介紹及選型：蝶閥的蝶板安裝于管道的直徑方向。在蝶閥閥體圓柱形通道內(nèi)，圓盤形蝶板繞著軸線旋轉(zhuǎn)，旋轉(zhuǎn)角度為0°~90°之間，旋轉(zhuǎn)到90°時，閥門則牌全開狀態(tài)。蝶閥結(jié)構(gòu)簡單、體積小、重量輕，只由少數(shù)幾個零件組成。而且只需旋轉(zhuǎn)90°即可快速啟閉，操作簡單，同時該閥門具有良好的流體控制特性。蝶閥處于完全開啟位置時，蝶板厚度是介質(zhì)流經(jīng)閥體時的阻力，因此通過該閥門所產(chǎn)生的壓力降很小，故具有較好的流量控制特性。蝶閥有彈密封和金屬的密封兩種密封型式。彈性密封閥門，密封圈可以鑲嵌在閥體上或附在蝶板周邊。</p><p style="text-indent:25px">真空擋板閥,真空蝶閥,真空插板閥,真空球閥,真空V型調(diào)節(jié)球閥,電磁高真空充氣閥,真空管件等真空閥門系列產(chǎn)品是先鋒閥門的主營產(chǎn)品，真空蝶閥具有高流導(dǎo)，管道安裝緊湊等特點，是接通或切斷真空管路的氣流為目的一種裝置。適用的介質(zhì)為空氣及非腐蝕性氣體，訂貨時注意選擇信號反饋裝置，以便合理實現(xiàn)自動化控制。密封形式的選擇：密封形式可根據(jù)所需真空度的高低及實際工作需要選擇不同密封形式的真空閥門。密封部位進(jìn)行水冷后，其溫度在80C左右，個別處溫度可達(dá)100C以上)。所以，要選擇比較理想的密封圈材料。用于真空密封橡膠材料，真空閥門除要求具有光潔表面、無劃傷、無裂紋外，還要求有低的滲透率和出氣率，良好的耐熱性耐油性，同時材質(zhì)要有一定的強(qiáng)度、硬度和彈性等。真空閥門的一般要求：閥門的密封性能要好，閥板密封處的漏氣率要小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鄭州GI型-手動高真空蝶閥,真空閥門" src="https://tyunfile.71360.com/UploadFile/shzpzkgs/637364817397744141/629041.png"></div><p style="text-indent:25px">氣動高真空擋板閥通常使用在真空管道中角通和三通的地方。驅(qū)動方式為手、氣、電磁、電動由用戶決定。其中氣動高真空擋板閥小口徑DN40以“下?lián)醢彘y為金屬波紋管密封，DN5O以上口徑通常采用光桿軸封密封。真空閥門所選用的閥體閥蓋中部和閥座軸封密封0型圈材質(zhì)有丁睛橡膠和氟橡膠，碳鋼材質(zhì)均為丁睛橡膠密封。304材質(zhì)均為氟橡膠密封。氣動高真空擋板閥也叫氣動高真空角閥，其應(yīng)用范圍較廣，也可當(dāng)充氣閥和放氣閥使用；安裝位置可任意，可反項一個大氣壓，并有反饋信號輸出。真空閥門的驅(qū)動方式有手動、電動、氣動三種。鄭州GI型-手動高真空蝶閥</p><p style="text-indent:25px">真空閥門的密封性能是指閥門各密封部位阻止介質(zhì)泄漏的能力，它是閥門比較重要的技術(shù)性能指標(biāo)。鄭州GI型-手動高真空蝶閥</p><p style="text-indent:25px">手動高真空蝶閥密封材料選用丁腈橡膠，可用于介質(zhì)溫度在-25~80℃的高真空系統(tǒng)中，選用氟橡膠密封圈，可用于烘烤溫度150℃的超高真空系統(tǒng)中。手動高真空蝶閥的工作原理是靠固定在轉(zhuǎn)動軸上的閥板旋轉(zhuǎn)90°實現(xiàn)閥門的開啟和關(guān)閉，和其他相同口徑的真空閥門相比，具有結(jié)構(gòu)簡單，通導(dǎo)能力大，閥體厚度小，啟閉速度快等優(yōu)點。上海卓帕真空技術(shù)有限公司生產(chǎn)的高真空手動蝶閥有手動、電動、氣動等三種形式。對于手動高真空蝶閥的缺點就是在使用壓力和工作溫度范圍比較小，尤其在安裝時，閥瓣要停在關(guān)閉的位置上，開啟位置應(yīng)按蝶板的旋轉(zhuǎn)角度來確定，帶有旁通閥的真空蝶閥,開啟前應(yīng)先打開旁通閥，然后才能正常使用。鄭州GI型-手動高真空蝶閥</p><p style="text-indent:25px">上海卓帕真空技術(shù)有限公司是一家真空技術(shù)領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)服務(wù)、技術(shù)轉(zhuǎn)讓、銷售、真空設(shè)備、真空泵、機(jī)電設(shè)備、機(jī)械設(shè)備及配件、自動化設(shè)備、儀器儀表、橡膠制品、五金交電、金屬材料、化工原料（除危險化學(xué)品、監(jiān)控化學(xué)品、民用物品、煙花爆竹、易制毒化學(xué)品），從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)。的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。卓帕真空深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的真空泵，分子泵，羅茨泵，凍干泵。卓帕真空繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。卓帕真空始終關(guān)注機(jī)械及行業(yè)設(shè)備市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1718266.html</p></div></div></div></div></div><div id="xmj2aiz" class="page-right twoColRt"><div id="vfcelnp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ds2i7eq" 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" 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