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href="http://www.cdcfah.com/cp/third-famenti_qitafamenbd/">其他閥門(mén)</a>?天水偏心半球閥銷(xiāo)售價(jià)格甘肅誠(chéng)禹惠物資供應(yīng)</p><div id="ubipryk" class="leftbox clearfix"><h1>天水偏心半球閥銷(xiāo)售價(jià)格甘肅誠(chéng)禹惠物資供應(yīng)</h1><div id="7htqn2z" class="proBig"><div id="2mjqxzq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321628547646484/2005070.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jdahoqs" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321628547646484/2005070.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="waxkbik" 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>甘肅省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>天水偏心半球閥銷(xiāo)售價(jià)格,偏心半球閥</p><p><span>***更新：</span>2021-02-05 03:09:37</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="zjbolsu" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">甘肅誠(chéng)禹惠物資有限公司</a></p><p><span>聯(lián)系人：</span>楊和平</p><p><span>郵箱: </span>349134533@qq.com</p><p><span>電話(huà): </span>18294448288</p><p><span>傳真: </span>0931_</p><p><span>網(wǎng)址: </span>http://www.gscyhwz.com</p><p><span>手機(jī): </span>0931-7840458</p><p><span>地址: </span>北濱河西路1226之27號(hào)(立達(dá)建材城A區(qū)11棟104室)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="v87y9t9" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="83upmtq" class="box"><p><p> <span style="font-size:16px;">偏心半球閥密封副的特點(diǎn)是閥門(mén)關(guān)閉時(shí)，閥座壓蓋壓緊碟簧，由碟簧推動(dòng)密封壓蓋和閥座向半球體壓緊，并使碟簧在設(shè)計(jì)變形范圍內(nèi)，使密封副之間的作用力達(dá)到密封必須比壓，真空技術(shù)網(wǎng)認(rèn)為這樣可以保證閥門(mén)在低壓時(shí)不發(fā)生內(nèi)漏現(xiàn)象。在閥門(mén)啟閉過(guò)程中，閥座、密封壓蓋和密封圈作為一個(gè)構(gòu)件隨著半球體開(kāi)啟角度的變化在管道軸線(xiàn)方向適量懸浮移動(dòng)，在介質(zhì)壓力作用下向半球體壓緊，其向閥瓣壓緊的作用力隨著介質(zhì)壓力的升高而增大，從而達(dá)到自密封效果。結(jié)構(gòu)特點(diǎn)當(dāng)管道介質(zhì)壓力由低向高變化時(shí)，偏心半球閥要保持較好的密封效果密封副必須滿(mǎn)足2個(gè)條件。密封預(yù)緊力。通過(guò)螺栓產(chǎn)生一定的預(yù)緊力，再由閥座壓蓋傳遞給碟簧，使得碟簧產(chǎn)生變形。為了延長(zhǎng)碟簧使用壽命，碟簧的變形量不能超過(guò)自由高度的75%，通過(guò)系</span><span style="font-size:16px;">列力的傳遞使密封副達(dá)到設(shè)計(jì)的密封比壓。密封面強(qiáng)度高。為保證密封副在高壓時(shí)不損壞，需要在半球體和閥座的密封面堆焊硬質(zhì)合金。堆焊材料需要根據(jù)工況做出調(diào)整，天水偏心半球閥銷(xiāo)售價(jià)格，通常堆焊司太立合金，其抗擦傷性好，硬度高，耐沖蝕，天水偏心半球閥銷(xiāo)售價(jià)格，天水偏心半球閥銷(xiāo)售價(jià)格，可以延長(zhǎng)閥門(mén)使用壽命。</span> 閥體和閥瓣密封面,均采用硬質(zhì)合金堆焊技術(shù),高硬度、高耐磨、能切斷介質(zhì)中金屬或編織類(lèi)雜物。天水偏心半球閥銷(xiāo)售價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天水偏心半球閥銷(xiāo)售價(jià)格,偏心半球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321628547646484/2005070.png"></div><p> <span style="font-size:16px;">啟閉無(wú)摩擦。這一功能完全解決了傳統(tǒng)閥門(mén)因密封面之間相互摩擦而影響密封的問(wèn)題。上裝式結(jié)構(gòu)。對(duì)裝在管道上的閥門(mén)可直接在線(xiàn)檢查與維修，能有效減少裝置停車(chē)，降低成本。單閥座設(shè)計(jì)。消除了閥門(mén)中腔介質(zhì)因異常升壓而影響使用安全的問(wèn)題。低扭矩設(shè)計(jì)。特殊結(jié)構(gòu)設(shè)計(jì)的閥桿，只需配一個(gè)小手把閥門(mén)就能輕松啟閉。楔形密封結(jié)構(gòu)。閥門(mén)是靠閥桿提供的機(jī)械力，將球楔壓到閥座上而密封，使閥門(mén)的密封性不受管線(xiàn)壓差變化的影響，在各種工況下密封性能都有可靠保證。密封面的自清潔結(jié)構(gòu)。當(dāng)球體傾離閥座時(shí)，</span><span style="font-size:16px;">管線(xiàn)中的流體沿球體密封面成360°均勻通過(guò)，不僅消除了高速流體對(duì)閥座局部的沖刷，也沖走了密封面上的聚積物，達(dá)到自清潔的目的。</span> 天水偏心半球閥銷(xiāo)售價(jià)格偏心半球閥由閥體、偏心軸、閥蓋、球冠、軸套、閥座等主要部件組成.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天水偏心半球閥銷(xiāo)售價(jià)格,偏心半球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321628473017578/5991060.png"></div><p> <span style="font-size:16px;">改進(jìn)后的雙偏心半球閥采用壓力自密封原理來(lái)保證密封的有效性，壓力自密封結(jié)構(gòu)如圖3所示。閥門(mén)的操作力主要有螺栓的預(yù)緊力、密封副的密封力以及介質(zhì)的作用力。閥座和閥體采用分體式，由閥座和壓蓋組成，O形圈實(shí)現(xiàn)密封，通過(guò)螺栓的壓緊力來(lái)滿(mǎn)足初始預(yù)緊力。當(dāng)介質(zhì)通過(guò)時(shí)，利用閥座特有的環(huán)形面將介質(zhì)作用力轉(zhuǎn)移到閥座上，實(shí)現(xiàn)壓力自密封的密封原理，根據(jù)使用工況不同，即介質(zhì)壓力不同，提供的作用力也不同，從而保證不同介質(zhì)壓力下的密封力，更有效地滿(mǎn)足各種工況的要求。同時(shí)根據(jù)壓力不同，閥座的分體浮動(dòng)調(diào)節(jié)結(jié)構(gòu)可以自身調(diào)整，便于裝配調(diào)試，工藝簡(jiǎn)化。閥體和閥座的連接方式為螺栓固定連接，通過(guò)調(diào)整墊片的微量彈性變形以及螺栓的壓緊力來(lái)實(shí)現(xiàn)閥座和閥芯密封副的強(qiáng)制密封，調(diào)整墊片材質(zhì)為不銹</span><span style="font-size:16px;">鋼絲夾柔性石墨，可調(diào)范圍小，介質(zhì)對(duì)閥座的影響力又很小。而且采用螺栓壓緊力來(lái)滿(mǎn)足預(yù)緊力需要，螺栓擰緊后，壓緊力基本是固定的，當(dāng)介質(zhì)壓力增大時(shí)，密封比壓增大，預(yù)緊力相應(yīng)增大，原來(lái)的壓緊力在一定程度上很難滿(mǎn)足預(yù)緊力的需求。</span> </p><p> <span style="font-size:16px;">偏心半球閥的工作原理開(kāi)啟過(guò)程在關(guān)閉位置，球體受閥桿的機(jī)械施壓作用，緊壓在閥座上。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。閥桿繼續(xù)提升，并與閥桿螺旋槽內(nèi)的導(dǎo)銷(xiāo)相互作用，使球體開(kāi)始無(wú)摩擦地旋轉(zhuǎn)。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)。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(xiāo)的作用，使閥桿和球體同時(shí)旋轉(zhuǎn)90°?？煲P(guān)閉時(shí)，球體已在與閥座無(wú)接觸的情況下旋轉(zhuǎn)了90°。手</span><span style="font-size:16px;">輪轉(zhuǎn)動(dòng)的幾圈，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。</span> 偏心半球閥是一種比較新型的球閥類(lèi)別，它有著自身結(jié)構(gòu)所獨(dú)有的一些優(yōu)越性，密封不易磨損，啟閉力矩小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天水偏心半球閥銷(xiāo)售價(jià)格,偏心半球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321629675996094/6565968.png"></div><p> <span style="font-size:16px;">對(duì)焊偏心半球閥的安裝與存放:閥門(mén)應(yīng)存放于干燥通風(fēng)的室內(nèi),閥門(mén)應(yīng)處于全關(guān)位置,閥門(mén)的兩端用封蓋封閉,搬運(yùn)和安裝時(shí)切勿碰撞敲擊。閥門(mén)用于所規(guī)定的使用介質(zhì)、使用的溫度的管道上。切勿超出規(guī)定使用。安裝使用前應(yīng)查看閥門(mén)是否異常,安裝前應(yīng)查看閥門(mén)的標(biāo)識(shí)及使用工況是否符合現(xiàn)場(chǎng)的要求。安裝時(shí),應(yīng)清洗閥門(mén)內(nèi)腔的塵屑及雜物、管道內(nèi)的氧化層,不允許有任何異物附著,以免影響密封面性能。產(chǎn)品安裝于管路的任意位置：箭頭方向必須與承壓方向一致（在安裝時(shí)必須注意,閥門(mén)箭頭表示承壓方向，不表示流向?。?。對(duì)有介質(zhì)流向起截流作用的,介質(zhì)流向應(yīng)與閥門(mén)的箭頭所指示的方向必須一致,以免導(dǎo)致密封泄漏。對(duì)有介質(zhì)流向起截回水流回流作用的,介質(zhì)流向應(yīng)與閥門(mén)的箭頭所指示的方向必須相反。（特別注意：閥門(mén)裝在水泵出口時(shí)，閥門(mén)的箭頭方向</span><span style="font-size:16px;">必須指向水泵,閥門(mén)裝在水泵進(jìn)口時(shí)，閥門(mén)的箭頭方向必須指向水泵。</span> 偏心半球閥在外觀結(jié)構(gòu)上分為兩種:上裝式、側(cè)裝式。天水偏心半球閥銷(xiāo)售價(jià)格</p><p style="text-indent:25px">硬密封偏心半球閥利用偏心閥體，偏心球體和閥座.天水偏心半球閥銷(xiāo)售價(jià)格</p><p> <span style="font-size:16px;">結(jié)構(gòu)特點(diǎn)1、閥座設(shè)外臺(tái)階與閥體內(nèi)臺(tái)階相配合的結(jié)構(gòu)，防止了球體與閥座發(fā)生卡阻或脫離等現(xiàn)象。2、利用偏心閥體、偏心球體和閥座、閥桿作旋轉(zhuǎn)運(yùn)動(dòng)時(shí)，在共同軌跡自動(dòng)定心，關(guān)閉過(guò)程中越關(guān)越緊，完全達(dá)到良好的密封的目的，所以偏心半球閥密封性能安全可靠；閥門(mén)啟閉時(shí)，閥體與閥座完全脫開(kāi)。消除了密封副的磨損，克服了傳統(tǒng)球閥閥座與球體密封面始終磨損的問(wèn)題。3、非金屬?gòu)椥圆牧媳磺队诮饘僮?，閥座金屬密封面受到良好的保護(hù)。4、全開(kāi)時(shí)流通能力大、壓力損失小，且介質(zhì)不會(huì)沉積在閥體中腔內(nèi)。5、使用壽命長(zhǎng)，密封副耐磨，且有補(bǔ)償量，閥座可調(diào)整或更換。執(zhí)行器（或扳手）帶動(dòng)閥桿迫使關(guān)閉件球體繞中心A轉(zhuǎn)動(dòng)，球體自B點(diǎn)移至C點(diǎn)，此時(shí)相對(duì)閥門(mén)中心店O，從B到C的軌跡為一凸輪狀偏心，右旋進(jìn)入閥座使閥門(mén)關(guān)閉保持優(yōu)良密封，該閥門(mén)按凸輪原理設(shè)計(jì)，閥門(mén)關(guān)閉過(guò)程中，作用在閥座上的力逐漸增加，即關(guān)閉件表面與閥座由完全脫離至接觸，并逐漸增大密封比壓，直至完</span><span style="font-size:16px;">全密封。</span> 天水偏心半球閥銷(xiāo)售價(jià)格</p><p style="text-indent:25px">甘肅誠(chéng)禹惠物資有限公司是一家閥門(mén)及配件、水泵、水暖器材、五金交電、機(jī)械設(shè)備、建筑材料、管道管材管件、電子產(chǎn)品（不含衛(wèi)星地面接收設(shè)施）、塑料制品、辦公用品、勞保用品、金屬制品及材料、消防器材、五金工具、成套設(shè)備、電線(xiàn)電纜、冶金機(jī)械、石化機(jī)械、家用電器、機(jī)械設(shè)備、機(jī)電設(shè)備及配件、保溫材料、裝潢材料、玻璃儀器、燈具、化工產(chǎn)品（不含危險(xiǎn)化學(xué)品、易制毒化學(xué)品、監(jiān)控化學(xué)品）的批發(fā)、零售的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。甘肅誠(chéng)禹惠物資作為閥門(mén)及配件、水泵、水暖器材、五金交電、機(jī)械設(shè)備、建筑材料、管道管材管件、電子產(chǎn)品（不含衛(wèi)星地面接收設(shè)施）、塑料制品、辦公用品、勞保用品、金屬制品及材料、消防器材、五金工具、成套設(shè)備、電線(xiàn)電纜、冶金機(jī)械、石化機(jī)械、家用電器、機(jī)械設(shè)備、機(jī)電設(shè)備及配件、保溫材料、裝潢材料、玻璃儀器、燈具、化工產(chǎn)品（不含危險(xiǎn)化學(xué)品、易制毒化學(xué)品、監(jiān)控化學(xué)品）的批發(fā)、零售的企業(yè)之一，為客戶(hù)提供良好的誠(chéng)禹惠閥門(mén)，球閥批發(fā)，閥門(mén)批發(fā)，蝶閥批發(fā)。甘肅誠(chéng)禹惠物資不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶(hù)創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。甘肅誠(chéng)禹惠物資創(chuàng)始人竇維國(guó)，始終關(guān)注客戶(hù)，創(chuàng)新科技，竭誠(chéng)為客戶(hù)提供良好的服務(wù)。</p></p><br 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