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id="bnb8zwd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448549775391/1902283.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="irvzlnu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448549775391/1902283.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xmy7vgi" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>山東電站止回閥,止回閥</p><p><span>***更新：</span>2021-01-15 07:07:49</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="oset8ta" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">浙江京州閥門制造有限公司</a></p><p><span>聯(lián)系人：</span>張和榮</p><p><span>郵箱: </span>maggiez@jcs-valve.com</p><p><span>電話: </span>15888733099</p><p><span>傳真: </span>0577_67351896</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0577-67359296</p><p><span>地址: </span>甌北街道五星工業(yè)區(qū)上玉路</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="y3yqnpr" class="page-proshow02"><p class="title">詳細說明</p><div id="l2ahzbi" class="box"><p><p style="text-indent:25px">電站止回閥：止回閥又稱單向閥或逆止閥，其作用是防止管路中的介質(zhì)倒流。也屬于止回閥類。啟閉件靠介質(zhì)流動和力量自行開啟或關(guān)閉，以防止介質(zhì)倒流的閥門叫止回閥。止回閥屬于自動閥類，主要用于介質(zhì)單向流動的管道上，只允許介質(zhì)向一個方向流動，以防止發(fā)生事故。安裝注意事頂：1、在管線中不要使止回閥承受重量，大型的止回閥應**支撐，使之不受管系產(chǎn)生的壓力的影響。2、安裝時注意介質(zhì)流動的方向應與閥體所票箭頭方向一致。3、升降式垂直瓣止回閥應安裝在垂直管道上。4，山東電站止回閥、升降式水平瓣止回閥應安裝在水平管道上。止回閥屬自動閥類，山東電站止回閥，又稱逆止閥，山東電站止回閥、單向閥、回流閥或隔離閥。山東電站止回閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東電站止回閥,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448549775391/1902283.png"></div><p style="text-indent:25px">電站止回閥常見故障及處理方法：①閥瓣打碎； ②介質(zhì)倒流。引起閥瓣打碎的原因是:止回閥前后介質(zhì)壓力處于接近的平衡而又互相“拉鋸”的狀態(tài)，閥瓣經(jīng)常與閥座拍打，某些脆性材料（如鑄鐵、黃銅等）做成的閥瓣就被打碎。預防的辦法是采用閥瓣為韌性材料的止回閥。介質(zhì)倒流的原因有:①密封面破壞；②夾入雜質(zhì)。修復密封面和清洗雜質(zhì)，就能防止倒流。雙旋啟動式止回閥止回閥用途及特性:旋啟式止回閥的功能是用來防止管路中的介質(zhì)倒流。止回閥屬于自動閥類，啟閉件靠流動介質(zhì)的力量自行開啟或關(guān)閉。止回閥只用于介質(zhì)單向流動的管路上，阻止介質(zhì)回流，以防發(fā)生事故。廣東ＷＣ6美標電站止回閥費用電站止回閥安裝簡單，并且使用方便。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東電站止回閥,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448598291016/5306639.png"></div><p style="text-indent:25px">升降式止回閥:閥瓣沿著閥體垂直中心線滑動的止回閥，內(nèi)螺紋止回閥只能安裝在水平管道上，在高壓小口徑止回閥上閥瓣可采用圓球。蝶式止回閥的閥體形狀與截止閥一樣(可與截止閥通用)，因此它的流體阻力系數(shù)較大。其結(jié)構(gòu)與截止閥相似，閥體和閥瓣與截止閥相同。閥瓣上部和閥蓋下部加工有導向套簡，閥瓣導向簡可在閥盞導向簡內(nèi)自由升降，當介質(zhì)順流時，閥瓣靠介質(zhì)推力開啟，當介質(zhì)停流時，閥瓣靠自垂降落在閥座上，起阻止介質(zhì)逆流作用。直通式蝶式止回閥介質(zhì)進出口通道方向與閥座通道方向垂直;立式升降式止回閥，其介質(zhì)進出口通道方向與閥座通道方向相同，其流動阻力較直通式小。升降式止回閥:閥瓣圍繞閥座內(nèi)的銷軸旋轉(zhuǎn)的止回閥。碟式止回閥結(jié)構(gòu)簡單，只能安裝在水平管道上，密封性較好。升降式止回閥:閥瓣沿著閥體中心線滑動的閥門。管道式止回閥是新出現(xiàn)的一種閥門，它的體積小，重量較輕，加工工藝性好，是止回閥發(fā)展方向之一。但流體阻力系數(shù)比旋啟式止回閥略大。</p><p style="text-indent:25px">電站止回閥的檢查需要檢查大密封蓋與法蘭蓋內(nèi)的填料，應完整，如有損壞應予以調(diào)換。檢查閥門蓋頭及閥體的密封面應完整，無影響密封效果的凹槽、砂眼及貫穿劃痕等。清理檢查支架、法蘭蓋與閥殼結(jié)合處的密封面，密封面上粘連的舊墊片應清理鏟去。密封面應無影響密封效果的缺陷。所有的鍵、鍵槽要清理，應保證連接良好。電站止回閥的閥門的裝復，閥門在裝復前，各軸、襯套表面應用二硫化鉬粉劑用力擦至發(fā)亮。裝復需要根據(jù)裝配標記按解體的逆步序進行。升降式水平瓣止回閥應安裝在水平管道上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東電站止回閥,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448540273437/651682.png"></div><p style="text-indent:25px">止回閥還可用于給其中的壓力可能升至超過系統(tǒng)壓的輔助系統(tǒng)提供補給的管路上。止回閥主要可分為旋啟式止回閥(依重心旋轉(zhuǎn))與升降式止回閥(沿軸線移動)。止回閥這種類型的閥門的作用是只允許介質(zhì)向一個方向流動，而且阻止反方向流動。通常這種閥門是自動工作的，在一個方向流動的流體壓力作用下，閥瓣打開;流體反方向流動時，由流體壓力和閥瓣的自重合閥瓣作用于閥座，從而切斷流動。其中止回閥就屬于這種類型的閥門，它包括旋啟式止回閥和升降式止回閥。旋啟式止回閥有一介鉸鏈機構(gòu)，還有一個像門一樣的閥瓣自由地靠在傾斜的閥座表面上。大口徑管路選用單瓣旋啟式止回閥時，為減少水錘壓力，采用能減小水錘壓力的緩閉止回閥。溫州美標旋啟止回閥多少錢</p><p style="text-indent:25px">升降式止回閥的結(jié)構(gòu)一般與截止閥相似，其閥瓣沿著通道中以線作升降運動，動作可靠。山東電站止回閥</p><p style="text-indent:25px">電站止回閥的清理檢查：檢查閥芯及閥體上的閥線，閥線上應無影響密封性能的凹槽、氣孔及橫貫密封面的痕跡，應全周接觸無間斷。若發(fā)現(xiàn)有影響密封性能的缺陷應進行研磨等處理。檢查閥蝶與搖臂間的連接情況，調(diào)整墊片與搖臂間隙為1～1.2mm之間，不應過大也不應過小，否則應進行調(diào)整。閥蝶與搖臂的緊固螺母連接應牢固，定位的焊點應完整、無裂紋，閥蝶軸與搖臂圈的間隙應符合要求。檢查杠桿軸、搖臂軸與大小襯套及播臂的間隙應符合要求，各軸表面及襯套內(nèi)壁表面應光潔、無凹坑。山東電站止回閥</p><p style="text-indent:25px">浙江京州閥門制造有限公司是一家閥門、泵、閥門配件制造、銷售／貨物與技術(shù)進出口。主營單向密封雙向密封刀閘閥、漿液閥、穿透式刀閘閥、礦漿閥，方閘門，電站閘閥、電站截止閥、電站止回閥。材質(zhì)包含不銹鋼，碳鋼，球鐵，灰鐵，雙相鋼，鉻鉬鋼等。的公司，是一家集研發(fā)、設計、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于刀閘閥，穿透式刀閘閥，礦漿閥，漿液閥，是機械及行業(yè)設備的主力軍。浙江京州閥門不斷開拓創(chuàng)新，追求出色，以技術(shù)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。浙江京州閥門始終關(guān)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://www.cdcfah.com/cp/2855288.html</p></div></div></div></div></div><div id="g7vcj8j" class="page-right twoColRt"><div id="8gsuryk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8pgsjqs" 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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