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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>甘南偏心半球閥價(jià)格報(bào)價(jià),偏心半球閥</p><p><span>***更新：</span>2021-01-31 15:23:29</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="7v2zgdk" 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: </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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="wphz7sz" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="vpmjli3" class="box"><p><p> <span style="font-size:16px;">閥軸及軸套閥軸小軸徑按GB/AWWA/EN規(guī)定，同時(shí)應(yīng)滿足工程需要，投標(biāo)人應(yīng)根據(jù)工程具體情況，來(lái)進(jìn)行設(shè)計(jì)閥軸直徑，保證其使用。閥軸及軸套為不銹鋼。閥軸與驅(qū)動(dòng)裝置之間采用鍵連接。擠壓或摩擦的連接不能接受。閥軸應(yīng)為干軸設(shè)計(jì)，即閥軸完全被O形圈（兩端各有兩道O形圈）和軸承包覆，確保軸承和閥桿間隙不產(chǎn)生任何腐蝕，保證長(zhǎng)期可靠操作，免維護(hù)。閥門(mén)軸端與驅(qū)動(dòng)器的連接執(zhí)行GB/T12223-2005標(biāo)準(zhǔn)。外閥座外閥座材料采用不銹鋼，不銹鋼為3Cr13（淬火）標(biāo)準(zhǔn)或更高標(biāo)準(zhǔn)。所有與介質(zhì)接觸用做緊固件應(yīng)采用不銹鋼制成。不銹鋼符合A2-70標(biāo)準(zhǔn)或更高標(biāo)準(zhǔn)，甘南偏心半球閥價(jià)格報(bào)價(jià)，甘南偏心半球閥價(jià)格報(bào)價(jià)。偏心半球閥的安裝偏心半球閥采用立式安裝。閥體上應(yīng)鑄有吊裝環(huán)，以便于偏心半球閥整體吊裝，甘南偏心半球閥價(jià)格報(bào)價(jià)。</span> 偏心半球閥是一種比較新型的球閥類(lèi)別，采用整體式結(jié)構(gòu)，再搭載多回轉(zhuǎn)電動(dòng)執(zhí)行機(jī)構(gòu)。甘南偏心半球閥價(jià)格報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘南偏心半球閥價(jià)格報(bào)價(jià),偏心半球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321628531171875/2352783.png"></div><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°。快要關(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> 甘南偏心半球閥價(jià)格報(bào)價(jià)偏心半球閥不允許有外漏，上、下軸端應(yīng)采用至少2道O形密封圈密封.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘南偏心半球閥價(jià)格報(bào)價(jià),偏心半球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321531166113281/4037295.png"></div><p> <span style="font-size:16px;">偏心半球閥具有以下優(yōu)點(diǎn)：流體阻力小，其阻力系數(shù)與同長(zhǎng)度的管段相等。結(jié)構(gòu)簡(jiǎn)單、體積小、重量輕。緊密可靠，目前球閥的密封面材料使用塑料、密封性好，在真空系統(tǒng)中也已使用。操作方便，開(kāi)閉迅速，從全開(kāi)到全關(guān)只要旋轉(zhuǎn)90°，便于遠(yuǎn)距離的控制。維修方便，球閥結(jié)構(gòu)簡(jiǎn)單，密封圈一般都是活動(dòng)的，拆卸更換都比較方便。在全開(kāi)或全閉時(shí)，球體和閥座的密封面與介質(zhì)隔離，介質(zhì)通過(guò)時(shí)，不會(huì)引起閥門(mén)密封面的侵蝕。適用范圍廣，通徑從小到幾毫米，大到幾米，從高真空至高壓力都可應(yīng)用。適合高流速。直通流道，堅(jiān)固的偏心閥板使之適合高流速且無(wú)振動(dòng)。其通道位置可分為直通式，三通式和直角式。后兩種球閥用于分配介質(zhì)與改變介質(zhì)的流向。三片式球閥安裝與維護(hù)應(yīng)</span><span style="font-size:16px;">注意以下事項(xiàng)：要留有閥柄旋轉(zhuǎn)的位置。不能用作節(jié)流。3帶傳動(dòng)機(jī)構(gòu)的球閥應(yīng)直立安裝。</span> </p><p> <span style="font-size:16px;">隨著工業(yè)不斷發(fā)展，對(duì)球閥尤其高溫、高壓惡劣工況球閥的需求量越來(lái)越大，要求球閥具有耐磨、耐沖刷、耐高溫、耐腐蝕等性能更高。而傳統(tǒng)的全通徑球閥雖然球心、閥座經(jīng)過(guò)堆焊、噴涂等技術(shù)進(jìn)行表面硬化處理，但是其使用壽命、成本和性能等依然滿足不了使用要求，如工業(yè)硅、煤化工、高爐煤氣、燃?xì)獾瓤量坦r。雙偏心半球閥是吸取了不同結(jié)構(gòu)的球閥、V形閥和軌道球閥等的優(yōu)點(diǎn)開(kāi)發(fā)出的新產(chǎn)品。球閥采用雙偏心密封結(jié)構(gòu)，磨損小，力矩小，密封性能好，使用壽命長(zhǎng)。閥座和半球體采用特殊硬化工藝處理，特別適應(yīng)苛刻工況下耐磨損，耐沖刷，耐腐蝕，耐高溫的要求。結(jié)構(gòu)特點(diǎn)：半球體雙偏心半球閥的半球體采用雙偏心設(shè)計(jì)，密封效果可靠，瞬間脫開(kāi)，力矩小，使用壽命長(zhǎng)?？蓱?yīng)用在輸送顆粒類(lèi)介質(zhì)的苛刻工況中。其結(jié)構(gòu)原理是半球體中線與閥桿中線偏置尺寸，與閥座中線偏置尺寸，全開(kāi)時(shí)球體與閥座完全脫開(kāi)，并有一定的間隙，回轉(zhuǎn)半徑分為長(zhǎng)半徑和短半徑，在長(zhǎng)半徑轉(zhuǎn)動(dòng)軌跡的切線會(huì)與閥座密封面形成一個(gè)θ角，在閥門(mén)啟閉時(shí)，半球相對(duì)閥座面有一個(gè)漸出脫離和漸入擠壓的作用，從而降低了啟閉時(shí)閥座與半球之間的機(jī)械磨損和擦傷，提高了使用壽命。</span> 偏心半球閥應(yīng)采用偏心設(shè)計(jì)，保證閥門(mén)在開(kāi)啟或關(guān)閉過(guò)程中，閥座和球冠沒(méi)有相互磨擦，以延長(zhǎng)閥門(mén)使用壽命。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘南偏心半球閥價(jià)格報(bào)價(jià),偏心半球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321630397539062/9122431.png"></div><p> <span style="font-size:16px;">偏心旋轉(zhuǎn)半球閥閥體流路簡(jiǎn)單，阻力小，與同口徑單、雙座閥相比，有較大的流通能力，但重量只有其1/3左右。偏轉(zhuǎn)閥采用旋轉(zhuǎn)運(yùn)動(dòng)，提高了填料函密封性，同時(shí)具有較大的輸出力，所以閥的泄漏較小，剛度較大，在額定壓差下能可靠地工作。偏心旋轉(zhuǎn)閥芯、閥桿只作旋轉(zhuǎn)運(yùn)動(dòng)，所以它開(kāi)關(guān)轉(zhuǎn)動(dòng)時(shí)所承受摩擦力很小，當(dāng)閥芯和閥座相接觸關(guān)閉時(shí)，閥芯柔臂在執(zhí)行機(jī)構(gòu)推力作用下產(chǎn)生微小彈性變形及彈性漲緊力，使閥芯與閥座接觸更加緊密牢固，因此，偏心旋轉(zhuǎn)閥泄漏量很小。同時(shí)關(guān)閉閥門(mén)所需的推力與球閥、蝶閥相比要小。偏心旋轉(zhuǎn)半球閥工作原理：偏心旋轉(zhuǎn)調(diào)節(jié)閥是一種結(jié)構(gòu)新穎、流體阻力小的直通型閥體結(jié)構(gòu)，閥芯的回轉(zhuǎn)中心不與旋轉(zhuǎn)軸同心，可減小閥座磨損，延長(zhǎng)使用壽命；閥芯后部設(shè)有一個(gè)導(dǎo)流翼，有利于流</span><span style="font-size:16px;">體穩(wěn)定流動(dòng)，具有優(yōu)良的穩(wěn)定性。同時(shí)，還具有流量大，可調(diào)范圍廣的優(yōu)點(diǎn)特別適用于含有淤漿的工藝系統(tǒng)控制。</span> 偏心半球閥利用偏心閥體，偏心球體和閥座.甘南偏心半球閥價(jià)格報(bào)價(jià)</p><p style="text-indent:25px">偏心半球閥應(yīng)有足夠的強(qiáng)度，偏心曲軸采用固定球結(jié)構(gòu)，在高流速下無(wú)任何振動(dòng)。甘南偏心半球閥價(jià)格報(bào)價(jià)</p><p> <span style="font-size:16px;">偏心半球閥</span><span style="font-size:16px;">工作原理</span><span style="font-size:16px;">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)到良好的密封目的。閥門(mén)的球體和閥座完全脫離，消除了密封圈的磨損，克服了傳統(tǒng)球體閥座與球體密封面始終磨損的問(wèn)題，非金屬?gòu)椥圆牧媳磺度虢饘僮?，閥座金屬面受到良好的保護(hù)。本產(chǎn)品特別適用于鋼鐵業(yè)，鋁業(yè)，纖維，微小固體顆粒，紙漿，煤灰，石油氣等介質(zhì)。產(chǎn)品特點(diǎn)其結(jié)構(gòu)采用偏心契緊原理通過(guò)傳動(dòng)機(jī)構(gòu)達(dá)到閘緊、調(diào)節(jié)、關(guān)閉的目的，密封副是金屬面環(huán)帶硬面接觸密封，雙偏心結(jié)構(gòu)在開(kāi)啟時(shí)閥芯位于藏</span><span style="font-size:16px;">球室內(nèi)，流通截面大，且閥門(mén)不被沖刷，關(guān)閉時(shí)閥芯不被沖刷，開(kāi)啟時(shí)閥芯球面沿閥座漸進(jìn)，有效地切除結(jié)垢障礙，實(shí)現(xiàn)可靠密封。它對(duì)兩相混流易結(jié)垢固體析出的混流輸送特別有效2、閥門(mén)的半球用雙金屬，母材上堆焊不同的合金，閥座也作相應(yīng)堆焊經(jīng)特殊的處理，密封面組合成防腐、耐磨、**度等各種類(lèi)型。</span> 甘南偏心半球閥價(jià)格報(bào)價(jià)</p><p style="text-indent:25px">甘肅誠(chéng)禹惠物資有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家服務(wù)型的公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下誠(chéng)禹惠閥門(mén)，球閥批發(fā)，閥門(mén)批發(fā)，蝶閥批發(fā)深受客戶的喜愛(ài)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。甘肅誠(chéng)禹惠物資立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/3097421.html</p></div></div></div></div></div><div id="akwol7m" class="page-right twoColRt"><div id="p2zls3a" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7l8fhjv" class="recomPic likePro"><a href="http://m.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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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