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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8a7b8jq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jingzhou/637279443826718750/9736086.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lvnkceb" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>福建自密封截止閥,截止閥</p><p><span>***更新：</span>2020-12-20 08:08:44</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ixzbtv3" 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(jī): </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(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="cwo3tzr" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="eyf5dp2" class="box"><p><p style="text-indent:25px">為什么要選用電站截止閥呢?1.工作行程小，啟閉時(shí)間短。2.電站截止閥采用波紋管密封的設(shè)計(jì)，解決了普通閥門閥桿填料密封老化快易泄露的問(wèn)題，不但提高了使用能源效率，增加生產(chǎn)設(shè)備安全性，減少了維修費(fèi)用及頻繁的維修保養(yǎng)，還提供了清潔安全的工作環(huán)境。3.密封性好，密封面間磨擦力小，壽命較長(zhǎng)，福建自密封截止閥。4.電站截止閥閥體的結(jié)構(gòu)形式有直通式、直流式和直角式。直通式是常見(jiàn)的結(jié)構(gòu)，但其流體的阻力大。直流式流體阻力較小，多用于含固體顆?；蛘扯却蟮牧黧w。電站截止閥閥體多采用鍛造，適用于較小通經(jīng)、較高壓力的的截止閥，福建自密封截止閥，福建自密封截止閥。5.結(jié)構(gòu)簡(jiǎn)單，制造和維修比較方便。電站截止閥由于性能技術(shù)特性、工況的特殊使產(chǎn)品也形成了其他產(chǎn)品所替代不了的特點(diǎn)。福建自密封截止閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建自密封截止閥,截止閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279443826718750/9736086.png"></div><p style="text-indent:25px">電站截止閥的工作原理：開(kāi)啟過(guò)程： 1在關(guān)閉位置，閥體受閥桿的機(jī)械施壓作用，緊壓在閥座上。 2當(dāng)逆時(shí)針轉(zhuǎn)動(dòng)手輪時(shí)，閥桿則反向運(yùn)動(dòng)，其底部角形平面使球體脫開(kāi)閥座。 3閥桿繼續(xù)提升，并與閥桿螺旋槽內(nèi)的導(dǎo)銷相互作用，使球體開(kāi)始無(wú)摩擦地旋轉(zhuǎn)。 4直至到全開(kāi)位置，閥桿提升到極限位置，球體旋轉(zhuǎn)到全開(kāi)位置。關(guān)閉過(guò)程： 1關(guān)閉時(shí)，順時(shí)針旋轉(zhuǎn)手輪，閥桿開(kāi)始下降并使球體離開(kāi)閥座開(kāi)始旋轉(zhuǎn)。 2繼續(xù)旋轉(zhuǎn)手輪，閥桿受到嵌于其上螺旋槽內(nèi)的導(dǎo)銷的作用，使閥桿和閘板同時(shí)旋轉(zhuǎn)90度。 3 快要關(guān)閉時(shí)閘體已在與閥座無(wú)接觸的情況下旋轉(zhuǎn)了90度。 4手輪轉(zhuǎn)動(dòng)的較后幾圈，閥桿底部的角形平面機(jī)械地楔向壓迫球體，使其緊密地壓在閥座上，達(dá)到完全密封四川美標(biāo)電站截止閥電站焊接截止閥可完成對(duì)介質(zhì)的調(diào)理和緊密切斷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建自密封截止閥,截止閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279444139130859/447694.png"></div><p style="text-indent:25px">對(duì)于電站截止閥而言如電動(dòng)執(zhí)行器損壞應(yīng)立即維修，不可用活絡(luò)板手代替，以免損壞閥桿四方，啟閉不靈，以致在生產(chǎn)中發(fā)生危險(xiǎn)。某些介質(zhì)，在截止閥關(guān)閉后冷卻，使閥件收縮，操作人員就應(yīng)于適當(dāng)時(shí)間再關(guān)閉一次，讓密封面不留細(xì)縫，否則，介質(zhì)從細(xì)縫高速流過(guò)，很容易沖蝕密封面。操作時(shí)，如發(fā)現(xiàn)操作過(guò)于費(fèi)勁，應(yīng)分析原因。若填料太緊，可適當(dāng)放松，如閥桿歪斜，應(yīng)通知人員修理。有的截止閥，在關(guān)閉狀態(tài)時(shí)，關(guān)閉件受熱膨脹，造成開(kāi)啟困難；如必須在此時(shí)開(kāi)啟，可將閥蓋螺紋擰松半圈至一圈，消除閥桿應(yīng)力，然后板動(dòng)手輪。</p><p style="text-indent:25px">電站焊接截止閥的密封面，只有在完全關(guān)閉時(shí)才相互接觸，強(qiáng)制關(guān)閉的閥芯與密封面的相對(duì)滑移量很小，因而密封面的磨損也很小。而截止閥密封面的磨損，多數(shù)是由于閥芯與密封面之前有雜物，或者是由于關(guān)閉狀態(tài)的不嚴(yán)密，引起介質(zhì)的高速?zèng)_刷所致。由于高壓鑄造焊接截止閥閥座通道的變化是與閥瓣行程成正比例關(guān)系。高壓焊接截止閥的閥桿開(kāi)啟或關(guān)閉行程相對(duì)較短，而且具有非?？煽康那袛喙δ?，又由于閥座通道的變化與閥瓣的行程成正比例關(guān)系，非常適合于對(duì)流量的調(diào)節(jié)。因此，這種截止閥類型的閥門非常適合作為切斷或調(diào)節(jié)以及節(jié)流使用。由于鑄造截止閥的閥瓣開(kāi)與關(guān)之間的行程小，密封面又能承受多次啟閉，因此，焊接截止閥很適用于需要頻繁開(kāi)關(guān)的場(chǎng)合，可用于大部分介質(zhì)流程系統(tǒng)中。截止閥其大范圍應(yīng)用于石化、電力、冶金、城建、化工等行業(yè)。電站焊接截止閥的種類按閥桿螺紋的位置區(qū)分有外螺紋式截止閥、內(nèi)螺紋式截止閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建自密封截止閥,截止閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279443887695312/7191149.png"></div><p style="text-indent:25px">了解了電站截止閥的特點(diǎn)，你知道電站截止閥有哪些結(jié)構(gòu)優(yōu)勢(shì)嗎？下面，就讓小編帶你來(lái)一起了解一下吧。 1.采用壓力自緊式密封，閥體支管兩端為焊接連接。 2.閥坐、閥瓣密封面采用鈷基硬質(zhì)合金等離子噴焊而成，耐磨、抗擦傷性能好。 3.閥桿經(jīng)抗腐蝕性氮化處理，有良好的抗腐蝕性和抗擦傷性。電站閥門與其他閥門產(chǎn)品相比的特點(diǎn)是高溫高壓，如果單純從壓力方面比通用閥門低，單純從溫度方面比也比通用閥門低。由于性能技術(shù)特性、工況的特殊使產(chǎn)品也形成了其他產(chǎn)品所替代不了的特點(diǎn)。電站截止閥安裝與維護(hù)應(yīng)注意以下事項(xiàng)。福建自密封截止閥</p><p style="text-indent:25px">電站截止閥工作壓力，要求≥管道的工作壓力。福建自密封截止閥</p><p style="text-indent:25px">盡管提供了非常不同的功能，但由于在建筑材料等級(jí)，裝飾和其他技術(shù)規(guī)格方面存在許多相似之處，因此通常會(huì)同時(shí)使用閘閥，截止閥和止回閥。但是所有這些類型的閥門之間肯定存在一些差異。閘閥，截止閥和止回閥之間的主要區(qū)別在于每個(gè)閥門的應(yīng)用和操作：閘閥是管道系統(tǒng)中較常用的閥門。它是一種通用維修閥，主要用于開(kāi)關(guān)，非節(jié)流應(yīng)用。部分打開(kāi)的閘閥將加速由管道內(nèi)的商品引起的腐蝕并且將在短時(shí)間內(nèi)破壞閥座。另一方面，截止閥主要用于需要對(duì)商品進(jìn)行節(jié)流的情況。通過(guò)簡(jiǎn)單地旋轉(zhuǎn)手輪，商品流過(guò)閥門的速率可以調(diào)節(jié)到任何所需的水平。與截止閥和閘閥不同，止回閥根本不運(yùn)行。它們用于防止線路中的回流，使其成為任何系統(tǒng)較重要的組件之一。截止閥幾乎專門用于節(jié)流或流量調(diào)節(jié)。此外，截止閥*在一個(gè)方向上工作。為了幫助您記住這一點(diǎn)，每個(gè)截止閥的側(cè)面都有一個(gè)箭頭指示流動(dòng)方向。福建自密封截止閥</p><p style="text-indent:25px">浙江京州閥門制造有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型的公司。浙江京州閥門致力于為客戶提供良好的刀閘閥，穿透式刀閘閥，礦漿閥，漿液閥，一切以用戶需求為中心，深受廣大客戶的歡迎。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造機(jī)械及行業(yè)設(shè)備良好品牌。浙江京州閥門秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2484247.html</p></div></div></div></div></div><div id="eiau8kh" class="page-right twoColRt"><div id="7xztk2p" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="f3prtac" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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