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id="k2ztfm2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shzpzkgs/637364817397744141/629041.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kewoact" 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)品關鍵詞：</span>GD-J型手動高真空擋板閥生產(chǎn)公司,真空閥門</p><p><span>***更新：</span>2020-11-01 02:17:51</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="ihegium" 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: </span>021-52999935</p><p><span>地址: </span>曹楊路1017號一幢三樓3193室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="tiaxjqn" class="page-proshow02"><p class="title">詳細說明</p><div id="gaxz8uw" class="box"><p><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。驅動方式為手，GD-J型手動高真空擋板閥生產(chǎn)公司、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型圈材質有丁睛橡膠和氟橡膠，碳鋼材質均為丁睛橡膠密封。304材質均為氟橡膠密封，GD-J型手動高真空擋板閥生產(chǎn)公司。氣動高真空擋板閥也叫氣動高真空角閥，GD-J型手動高真空擋板閥生產(chǎn)公司，其應用范圍較廣，也可當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。真空閥門的閥座漏氣率在關閉狀態(tài)下由閥座漏入的氣體流率。GD-J型手動高真空擋板閥生產(chǎn)公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="GD-J型手動高真空擋板閥生產(chǎn)公司,真空閥門" src="https://tyunfile.71360.com/UploadFile/shzpzkgs/637364817397744141/629041.png"></div><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，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。密封部位進行水冷后，其溫度在80C左右，個別處溫度可達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，同時材質要有一定的強度、硬度和彈性等。長沙氣動真空閥門設計和制造真空閥門時應力求降低其關閉力和關閉力矩。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="GD-J型手動高真空擋板閥生產(chǎn)公司,真空閥門" src="https://tyunfile.71360.com/UploadFile/shzpzkgs/637364817201894532/9492003.png"></div><p style="text-indent:25px">真空閥門的連接處的滲漏檢查：1 .密封填料函及其他連接處的滲漏檢查；將溫度為室溫的水，以調節(jié)閥公稱壓力的1.1倍或大操作壓力的1.5倍的壓力，按打開閥芯的方向通入調節(jié)閥的一端，另一端封閉。保持壓力10分鐘，同時閥桿每分鐘作1～3 次往返移動。密封填料函及其他部件連接處不應有滲漏現(xiàn)象。2 .關閉時的泄漏檢查：① 注水法泄漏檢查，對于雙座調節(jié)閥一般可用簡易的注水法檢查泄漏情況。向薄膜氣室輸入信號壓力使調節(jié)閥關閉。向調節(jié)閥進口處注入溫度為室溫的水，在不加壓的情況下另一端應無明顯滴漏現(xiàn)象。② 水壓法泄漏量檢查：向薄膜氣室輸入信號壓力使閥關閉。將溫度為室溫的水，以10kg/cm2恒定壓力按打開閥芯的方向通入調節(jié)閥的一端，用秒表和量杯在另一端測量其泄漏量不應超過允許值。</p><p style="text-indent:25px">真空閥門是真空系統(tǒng)的重要元件。對于構成管路一部分的閥門，其流導大小是一個重要的性能參數(shù)。對于主要用來起開關氣路作用的閥門，閥板關閉的密封性能也是重要的性能參數(shù)之一。密封性能是用其漏氣率來衡量的。對于主要用來調節(jié)氣流大小的閥門，能夠調節(jié)氣流量的精度及范圍，則是一項重要的性能參數(shù)。對于全金屬超高真空閥門，每次關閉是否性能穩(wěn)定?使用壽命是否長?是其主要的性能指標。不足之處是由于玻璃的脆性及活塞彎口處涂一層油脂，故限制了它的使用范圍。工業(yè)生產(chǎn)所需要的真空裝置，如真空鍍膜設備、真空冶煉設備、真空熱處理設備、空間環(huán)境模擬設備、火箭發(fā)動機模擬設備、衛(wèi)星表面帶電模擬設備、粒子加速器及受控核聚變裝置、重離子加速器等都采用金屬閥門。真空閥門通常根據(jù)閥門的工作特性、傳動原理、連接方式和用途等進行分類。真空閥門主要用來切斷或連通管路氣流，以及調節(jié)氣流量的大小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="GD-J型手動高真空擋板閥生產(chǎn)公司,真空閥門" src="https://tyunfile.71360.com/UploadFile/shzpzkgs/637364817548066407/6713432.png"></div><p style="text-indent:25px">國內真空閥門發(fā)展：國內真空閥門生產(chǎn)廠家生產(chǎn)的真空閥門有真空電磁閥、真空蝶閥、真空隔膜閥、真空擋板閥、真空球閥、真空微調閥、真空調節(jié)閥、超高真空插板閥、超高真空擋板閥共9個大系列、42個品種、150多個規(guī)格的產(chǎn)品，尤其是生產(chǎn)的DN1200大型氣動高真空蝶閥，DN900的氣動高真空插板閥，具有相當高的技術水平。生產(chǎn)的GDD-J系列手電兩用真空擋板閥，適用于10-5～105Pa的壓力范圍，該系列閥門公稱尺寸為DN150～1200，漏氣速率小于1.3×10-5Pa·L/s。流導1200～70000L/s，啟閉時間15～60s，此外，閥門還配置了離合器和開關，具有安全性高、密封可靠、流量大及可實現(xiàn)手控、電氣自動控制。生產(chǎn)的GDD-J型高真空氣動擋板閥和GDD-JB型（扁閥）共兩大系列。公稱尺寸DN80～1200，漏氣速率小于1.3×10-5Pa·L/s；啟閥時間小于5～20s，氣源壓力0.4～0.8MPa，普遍用于大、中型高真空系統(tǒng)中。真空閥門所選用的閥體閥蓋中部和閥座軸封密封0型圈材質有丁睛橡膠和氟橡膠，碳鋼材質均為丁睛橡膠密封。GD-J型手動高真空擋板閥生產(chǎn)公司</p><p style="text-indent:25px">真空閥門的焊縫真空密封性要達到答應的氣體密封性能(或漏氣率)的要求。GD-J型手動高真空擋板閥生產(chǎn)公司</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動軸上的閥板旋轉90°實現(xiàn)閥門的開啟和關閉，和其他相同口徑的真空閥門相比，具有結構簡單，通導能力大，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，閥瓣要停在關閉的位置上，開啟位置應按蝶板的旋轉角度來確定，帶有旁通閥的真空蝶閥,開啟前應先打開旁通閥，然后才能正常使用。GD-J型手動高真空擋板閥生產(chǎn)公司</p><p style="text-indent:25px">上海卓帕真空技術有限公司是一家真空技術領域內的技術開發(fā)、技術咨詢、技術服務、技術轉讓、銷售、真空設備、真空泵、機電設備、機械設備及配件、自動化設備、儀器儀表、橡膠制品、五金交電、金屬材料、化工原料（除危險化學品、監(jiān)控化學品、民用物品、煙花爆竹、易制毒化學品），從事貨物及技術的進出口業(yè)務。的公司，致力于發(fā)展為創(chuàng)新務實、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導，為客戶提供***的真空泵，分子泵，羅茨泵，凍干泵。卓帕真空不斷開拓創(chuàng)新，追求出色，以技術為先導，以產(chǎn)品為平臺，以應用為重點，以服務為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務。卓帕真空始終關注機械及行業(yè)設備市場，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://m.cdcfah.com/cp/1793780.html</p></div></div></div></div></div><div id="t8tq9e3" class="page-right twoColRt"><div id="r2fhbse" class="box01 margin10 clearfix"><h3><a 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