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class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產品供應</a>?<a href="http://www.cdcfah.com/cp/first-_huagong/">化工</a>?<a href="http://www.cdcfah.com/cp/second-huagong_famenmp/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenmp_fmpjne/">閥門配件</a>?四川雙作用閥門定位器歡迎來電無錫市凱爾利科技供應</p><div id="bbrxr99" class="leftbox clearfix"><h1>四川雙作用閥門定位器歡迎來電無錫市凱爾利科技供應</h1><div id="d77xlj9" class="proBig"><div id="hndlrnl" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/kaierli/637332706054208984/9484171.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="5xnvtp9" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/kaierli/637332706054208984/9484171.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="9bp7dbx" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>四川雙作用閥門定位器,閥門定位器</p><p><span>***更新：</span>2020-12-11 05:17:10</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rjhxlrp" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫市凱爾利科技有限公司</a></p><p><span>聯(lián)系人：</span>陳經理</p><p><span>郵箱: </span>414323414@qq.com</p><p><span>電話: </span>18118900923</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span>http://www.kerly.com.cn</p><p><span>手機: </span>0510-81150880</p><p><span>地址: </span>梅村工業(yè)集中區(qū)錫鴻路48-2號樓</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="5d7n975" class="page-proshow02"><p class="title">詳細說明</p><div id="7757ht9" class="box"><p><p style="text-indent:25px">電動閥：閥門電動執(zhí)行機構主要用于電廠或核電廠，因為高壓水系統(tǒng)需要平穩(wěn)、穩(wěn)定，四川雙作用閥門定位器、緩慢的過程。優(yōu)勢：主要是高度穩(wěn)定和用戶應用恒定推力。執(zhí)行機構產生的推力可達225000kgf。只有液壓執(zhí)行器才能實現(xiàn)如此大的推力，但液壓執(zhí)行器的成本遠遠高于電動執(zhí)行器。閥門定位器：閥門氣動執(zhí)行機構的執(zhí)行機構和調節(jié)機構是一個統(tǒng)一的整體，其執(zhí)行機構有膜式和活塞式兩種。氣動執(zhí)行機構因其結構簡單、輸出推力大、動作穩(wěn)定可靠、防爆安全等特點，多應用于電廠、化工、煉油等安全要求較高的生產工藝中，四川雙作用閥門定位器。輔助管道由各種各樣的截止閥，四川雙作用閥門定位器、蝶形閥、止回閥、球閥和閘閥組成。四川雙作用閥門定位器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川雙作用閥門定位器,閥門定位器" src="https://tyunfile.71360.com/UploadFile/kaierli/637332706054208984/9484171.png"></div><p style="text-indent:25px">閥門定位器上的法蘭螺母和螺栓要固定，防止受力不均勻導致法蘭對接出現(xiàn)問題。閥門的密封材料要定期的清洗，防止泄露和磨損。在關閉的情況下，閥門定位器的閥體內還有些許介質殘留時，要切斷電源和氣源，把壓力全部釋放出來進行清理。對氣動管路閥門進行全開全閉數(shù)次操作，確認閥門能夠正常工作，再檢查一次閥門的各個細節(jié)，保證閥門完好無損。讓閥門定位器安裝位置管線在同軸位置上，管線上兩片法蘭應保持平行，確認管線能夠承受氣動管路閥門自身重量，如果發(fā)現(xiàn)管線不能承受氣動管路閥門重量，則在安裝前為管線配備相應的支撐。四川雙作用閥門定位器定位器整體的結構不是很復雜，所以維護起來是比較方便的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川雙作用閥門定位器,閥門定位器" src="https://tyunfile.71360.com/UploadFile/kaierli/637332706015205078/971111.png"></div><p style="text-indent:25px">電氣閥門定位器作用：用于對調節(jié)質量要求高的重要調節(jié)系統(tǒng)，以提高調節(jié)閥的定位精確及可靠性。用于閥門兩端壓差大（△p》1MPa）的場合。通過提高氣源壓力增大執(zhí)行機構的輸出力，以克服液體對閥芯產生的不平衡力，減小行程誤差。當被調介質為高溫、高壓、低溫、有毒、易燃、易爆時，為了防止對外泄漏，往往將填料壓得很緊，因此閥桿與填料間的摩擦力較大，此時用定位器可克服時滯。被調介質為粘性流體或含有固體懸浮物時，用定位器可以克服介質對閥桿移動的阻力。用于大口徑（Dg》100mm）的調節(jié)閥，以增大執(zhí)行機構的輸出推力。當調節(jié)器與執(zhí)行器距離在60m以上時，用定位器可克服控制信號的傳遞滯后，改善閥門的動作反應速度。用來改善調節(jié)閥的流量特性。</p><p style="text-indent:25px">閥門定位器，可根據(jù)不同執(zhí)行器，適用于直行程和角行程的執(zhí)行機構。執(zhí)行機構的運動帶動AVP100/102定位器的反饋軸轉動，從而帶動位置傳感器（VTD）旋轉檢測出閥位并由電器轉換模塊（EPM）轉換成電信號（4～20mA）。閥門定位器在使用之后，有時需要對其啟動基準測試。啟動成功之后，回升長一個基準曲線圖，可以完成下一步的診斷功能，還可以保證診斷功能的完整性。那下邊小編就為大家介紹下閥門定位器的啟動基準測試。閥門定位器中啟動基準測試。EXPERT+被成功，閥門定位器完成初始化以后，基準曲線圖自動生成。EXPERT+被成功以后，必須先繪制基準曲線圖才能完成下一步的診斷功能，同時確保診斷功能的完整性。如果出廠后EXPERT+，基準曲線圖在定位器在重新初始化之后會生成。氣動調節(jié)閥又可分為氣動薄膜調節(jié)閥和氣動活塞調節(jié)閥等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川雙作用閥門定位器,閥門定位器" src="https://tyunfile.71360.com/UploadFile/kaierli/637332706081562500/622527.png"></div><p style="text-indent:25px">定位器反饋板上的限位彈簧脫落，或反饋桿從中脫出，造成反饋桿與反饋板接觸不良，產生滯后，造成調節(jié)閥動作頻繁。使被控參數(shù)難以穩(wěn)定特別在調節(jié)閥動作要求準確的溫度控制中產生較大影響。固定螺母松動。定位器固定螺母安裝不牢產生松動，造成定位器歪斜，影響反饋桿動作，造成卡碰現(xiàn)象。使調節(jié)閥動作不穩(wěn)定，產生限位等現(xiàn)象。定位器中各種彈簧的緊固螺絲在震動環(huán)境下松動，改變了彈簧的預緊量，影響彈簧的張力和狀態(tài)。使定位器的零點量程發(fā)生改變，定位器不線性，致使調節(jié)閥不能全開全關，調節(jié)閥動作不線性。除了主要的蒸汽閥外，發(fā)電廠還有許多輔助管道。四川雙作用閥門定位器</p><p style="text-indent:25px">定位器的使用方式很簡單，不需要進行過多的培訓。四川雙作用閥門定位器</p><p style="text-indent:25px">定位器具有智能通訊和現(xiàn)場顯示功能，便于維修人員對定位器工作情況進行檢查維修。定位器具有豐富的自診斷功能。不僅可以對定位器本身的工作情況進行故障自診斷，還可對調節(jié)閥和執(zhí)行機構的性能進行定量測量和診斷。如閥門行程的變化檢測，對閥門極限位置變化的測量，可診斷閥門的磨損情況;對閥門定位時間的測量可以診斷定位周期是否合適，是否會引起震蕩;還可以對氣動執(zhí)行機構的密封情況等進行診斷，從而為閥門的維修提供科學依據(jù)。四川雙作用閥門定位器</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2356198.html</p></div></div></div></div></div><div id="lrndbhn" class="page-right twoColRt"><div id="7f7ntnd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ldtrpft" 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" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="nndbhxl" class="recomPic likePro"><a 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