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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mud2gxp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768508505859/3729647.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="idn7i8a" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>柴油機進氣切斷閥兼容RODA DEACO,進氣切斷閥</p><p><span>***更新：</span>2020-09-26 10:02:27</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="t7rtulb" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海銳銓機電設備有限公司</a></p><p><span>聯系人：</span>李恬</p><p><span>郵箱: </span>roltran@163.com</p><p><span>電話: </span>13918994917</p><p><span>傳真: </span>021_61492341</p><p><span>網址: </span></p><p><span>手機: </span>021-61492341</p><p><span>地址: </span>環(huán)林東路799弄9號1層B142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="hpyudtj" class="page-proshow02"><p class="title">詳細說明</p><div id="hidcrdm" class="box"><p><p> 條件允許時盡量選用硬密封。"O"型球閥硬密封可達10-5，三偏心蝶閥可達零泄漏，柴油機進氣切斷閥兼容RODA DEACO。2)對密封耐磨性的考慮:除選硬密封外，對泄漏要求10-4以上的切斷型調節(jié)閥，必須堆焊耐磨合金以提高密封的耐磨性、耐沖蝕、耐劃傷的能力，提高閥的壽命。折疊其他因素對含顆粒的沖蝕介質，要考慮閥芯避開高速介質的直接沖蝕。對于硬密封，必須有足夠的硬度差，同一硬度材料"互不相讓"，很容易劃傷而引起泄漏。溫度因素影響如下:對高溫介質的切斷調節(jié)閥在室溫下組裝的，柴油機進氣切斷閥兼容RODA DEACO，在高溫下工作，溫度變化幾百度。熱膨脹會改變裝配時建立的密封比壓。過緊，密封面會卡信，運動時會嚴重檫傷，拉傷;過松，密封壓不夠，兩種情況泄漏都會急劇增加。解決的**好辦法是用彈性閥座來吸收這一變化造成的差異。通常有三種彈性方案:1)彈簧式;2)薄片式柔性金屬環(huán);3)剛柔相濟的彈性閥座。后者**好，既有柔性克服熱膨脹，柴油機進氣切斷閥兼容RODA DEACO，又有剛度并堆焊耐磨合金來提高耐磨面的可靠性。折疊推薦順序按上所述，切斷閥的主要閥型如下，選擇切斷閥應綜合考慮泄漏率、介質種類、介質溫度、流量系數等各種參數和性價比。在如下推薦順序中，先考慮硬密封，再考慮軟密封。1)三偏心金屬硬密封蝶閥;2)雙偏心球面密封蝶閥;3)球閥;4)偏心旋轉閥;5)單座閥。F系列切斷閥金屬和金屬密封，摩擦力小，使用壽命長。柴油機進氣切斷閥兼容RODA DEACO</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="柴油機進氣切斷閥兼容RODA DEACO,進氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768508505859/3729647.png"></div><p> 氣動切斷閥采用軟密封結構，設計有工作密封和檢修密封，操作力矩小，密封比壓適中，密封可靠，動作靈敏，液動控制易于實現自動控制，使用壽命長。切斷氣動球閥普遍使用于石油、化工、冶金、造紙、制藥、電鍍等行業(yè)。氣動切斷閥性能參數：1、工作壓力：；2、工作溫度：-196+650℃；3、驅動方式：手動、蝸輪、氣動、電動；4、連接方式：內螺紋、外螺紋、法蘭、焊接、對焊、承插焊、卡套、卡箍；5、制造標準：國標GB、JB、HG，美標API、ANSI，英標BS，日本JIS、JPI等；6、閥體材質：銅、鑄鐵、鑄鋼、碳鋼、WCB、WC6、WC9、20#、25#、鍛鋼、A105、F11、F22、不銹鋼、304、304L、316、316L、鉻鉬鋼、低溫鋼、鈦合金鋼等。氣動切斷閥采用新型系列GT型、AT型氣動執(zhí)行器，有雙作用式和單作用式(彈簧復位)，齒輪齒條傳動，安全可靠；大口徑閥門采用系列AW型氣動執(zhí)行器拔叉式傳動，結構合理，輸出扭矩大，有雙作用式和單作用式。1、齒輪式雙活塞，輸出力矩大，體積??；2、氣缸選用鋁金材料，重量輕、外形美觀；3、可在頂部、底部安裝手動操作機構；4、齒條式連接可調節(jié)開啟角度、額定流量；5、執(zhí)行器可選帶電訊號反饋指示及各類附件以實現自動化操作。陜西進氣切斷閥符合防爆規(guī)范E系列切斷閥可提供柴油機進氣軟管接頭。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="柴油機進氣切斷閥兼容RODA DEACO,進氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768532255859/7140667.png"></div><p> 附圖說明圖1為本實用新型實施例提供的柴油發(fā)動機進氣關斷閥結構示意圖；圖2為本實用新型實施例提供的柴油發(fā)動機進氣關斷閥剖視圖；圖3為本實用新型實施例提供的接觸部與圓形通孔接觸狀態(tài)示意圖。附圖中，各標號所的部件列表如下：1-執(zhí)行機構，2-法蘭，3-閥體，4-閥桿，5-接觸部，6-圓形通孔，7-密封圈，8-隔離部。具體實施方式本實用新型針對現有技術中存在的柴油發(fā)動機進氣關斷閥關閉后會完全切斷氣流通路的技術問題。下面將結合本實用新型實施例中的附圖，對本實用新型實施例中的技術方案進行清楚、完整的描述，顯然，所描述的實施例**是本實用新型一部分實施例，而不是全部的實施例。基于本實用新型的實施例，本領域普通技術人員在沒有做出創(chuàng)造性勞動前提下所獲得的所有其他實施例，都屬于本實用新型保護的范圍。參見圖1及圖2，本實用新型實施例提供了一種柴油發(fā)動機進氣關斷閥，其主要包括：執(zhí)行機構1、閥桿4、閥體3、接觸部5及隔離部8。其中，執(zhí)行機構1為動力機構，例如，執(zhí)行機構1可采用氣缸或伺服電機。執(zhí)行機構1與閥體3固定連接，其連接方式可以為焊接、鉚接或通過螺栓連接。閥體3內設置有進氣腔及出氣腔，氣體的流通方向為從進氣腔流向出氣腔。</p><p> 所述接觸部所在橢圓的長徑長度比所述圓形通孔的直徑小1-2mm。進一步的，還包括密封圈；所述閥桿與所述閥體之間設置有所述密封圈。進一步的，還包括：法蘭盤；所述執(zhí)行機構通過所述法蘭盤與所述閥體固定連接。進一步的，所述執(zhí)行機構為氣缸或伺服電機。進一步的，所述進氣腔和所述出氣腔的容積相同。本實用新型提供的柴油發(fā)動機進氣關斷閥至少具備以下有益效果或優(yōu)點：本實用新型提供的柴油發(fā)動機進氣關斷閥，執(zhí)行機構與閥體固定連接；閥體內設置有進氣腔及出氣腔；隔離部水平固定在閥體內側，用于分隔進氣腔及出氣腔；執(zhí)行機構的輸出端與閥桿的一端固定連接，閥桿的另一端延伸至閥體的內側與接觸部固定連接；隔離部上開設有圓形通孔，接觸部設置為橢圓形狀，接觸部與圓形通孔相配合。執(zhí)行機構的輸出端通過閥桿帶動接觸部上下運動，接觸部與隔離部上的圓形通孔分離時，進氣腔與出氣腔完全導通；接觸部與隔離部上的圓形通孔接觸時，進氣腔與出氣腔基本隔離，但橢圓形狀的接觸部與圓形通孔接觸時，接觸部外側與圓形通孔內側之間會產生一個弧形間隙供少量的氣體通過，不會完全切斷氣流通路，可實現柴油機工作狀態(tài)的平穩(wěn)切換。手動打開式進氣切斷閥——用于油壓或氣壓釋放時關閉的進氣切斷閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="柴油機進氣切斷閥兼容RODA DEACO,進氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768493867187/2604097.png"></div><p> 切斷閥是自動化系統(tǒng)中執(zhí)行機構的一種，由多彈簧氣動薄膜執(zhí)行機構或浮動式活塞執(zhí)行機構與調節(jié)閥組成，接收調節(jié)儀表的信號，控制工藝管道內流體的切斷、接通或切換。具有結構簡單，反應靈敏，動作可靠等特點?？?**地應用在石油、化工、冶金等工業(yè)生產部門。氣動切斷閥的氣源要求經過濾的壓縮空氣，流經閥體內的介質應該是無雜質和無顆粒的液體和氣體。根據允許壓差情況、介質特點以及工藝管道要求，可選用單座、套筒、三通切斷閥。切斷閥工作的可靠性，在很大程度上取決于正確選擇其結構和完全能適合其工作條件的材料，并取決于運行條件。如切斷閥只能在兩種狀態(tài)下工作，全開或全關。當閥瓣在閥座內處于中間位置時，由于壓降大而產生大的流速，這就形成汽蝕的條件，引起侵蝕，破壞閥瓣和閥座的密封面，結果喪失了關閉件的密封性，在滲漏介質對金屬的作用下，初始時的小漏很快會變成大漏。折疊編輯本段材質所有切斷閥的材質、壓力等級和連接方式，必須同與其相連接的設備的規(guī)格相符。這一點適用于所有的切斷閥，無論它是直接安裝在設備上還是裝在一個與設備相連的立管上。折疊編輯本段位置和尺寸切斷閥可裝在容器接頭或立管上。當閥連接在立管上時。F系列切斷閥 FS3系列。陜西進氣切斷閥符合防爆規(guī)范</p><p style="text-indent:25px">E系列切斷閥結構緊湊輕便，堅固耐用。柴油機進氣切斷閥兼容RODA DEACO</p><p> 發(fā)動機進氣切斷閥 </p> <p> 當有可燃物質被吸入進氣系統(tǒng)時，相當于給柴油機增加了一個無法監(jiān)控的燃料。這將導致發(fā)動機出現超速，從而引起機械故障、回火或引燃周圍可燃 </p> <p> 氣體，后果不堪設想。當可燃氣體被吸入發(fā)動機時，傳統(tǒng)的斷油停車很可能無法實現停車。這時，有效地方式就是同時切斷進氣供應，從而保證發(fā)動機快速、安全停車。 </p> <p> <br /> </p> <p> 手動進氣切斷閥 </p> <p> 適應美國礦產資源管理服務部門安裝要求 </p> <p> 操作方便，快速實現發(fā)動機停車 </p> <p> 對于基本型MVX切斷閥，推、拉均可以實現停車 </p> <p> 可以實現遠程推、拉停車 </p> <p> 符合加拿大遠程通電切斷進法規(guī)要求 </p> <p> 能夠提供兩根拉線進氣切斷閥 </p> <p> 質量輕、結構緊湊 </p> <p> 法蘭或橡膠管連接方式 </p> <p> 防腐處理，適合海上平臺使用 </p> <p> 由閥體和適配器共同組成，連接進氣管直徑由38mm到203mmmm </p> <p> 金屬和金屬密封，無需使用O型密封圈 </p> <p> <br /> 柴油機進氣切斷閥兼容RODA DEACO</p><p style="text-indent:25px">上海銳銓機電設備有限公司致力于機械及行業(yè)設備，是一家貿易型公司。上海銳銓致力于為客戶提供良好的FPE溫控閥，AMOT溫控閥，進口溫控閥，CALTHERM，一切以用戶需求為中心，深受廣大客戶的歡迎。公司秉持誠信為本的經營理念，在機械及行業(yè)設備深耕多年，以技術為先導，以自主產品為重點，發(fā)揮人才優(yōu)勢，打造機械及行業(yè)設備良好品牌。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1429941.html</p></div></div></div></div></div><div id="ygqlb2o" class="page-right twoColRt"><div id="p2uv8pw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="y2dtfr8" 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" 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