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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321628473017578/5991060.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pnvcpwo" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321628473017578/5991060.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gvnah7d" 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>張掖偏心半球閥市場報(bào)價(jià),偏心半球閥</p><p><span>***更新：</span>2021-01-05 02:08:47</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="cli3ty2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">甘肅誠禹惠物資有限公司</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(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="adfh23m" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lu3uhbd" class="box"><p><p> <span style="font-size:16px;">提到雙偏心半球閥，他是一種工業(yè)生產(chǎn)零件，類似三偏心硬密封蝶閥，具有操作輕便、開啟過程無磨擦、零泄漏、壽命長等優(yōu)點(diǎn)。它吸取了不同結(jié)構(gòu)的球閥、V形閥和軌道球閥等的優(yōu)點(diǎn)開發(fā)出的產(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。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。雙偏心半球閥的結(jié)構(gòu)設(shè)計(jì)類似于三偏心硬密封蝶閥，操作輕便，開啟過程中無摩擦，而且具有零泄漏、壽命長等優(yōu)點(diǎn)。雙偏心半球閥具有以下產(chǎn)品特征：1.密封嚴(yán)緊，閥芯和閥座的密封是球面線接觸，靠三維偏心實(shí)現(xiàn)零泄漏；2.密封副的閥芯留有補(bǔ)償量，閥門使用較長時(shí)間發(fā)現(xiàn)密封副磨損時(shí)，只需松動手輪側(cè)的限位螺栓，關(guān)閉時(shí)再轉(zhuǎn)動少許，仍可實(shí)現(xiàn)可靠密封，延長使用壽命；3.密封副（閥芯，張掖偏心半球閥市場報(bào)價(jià)，閥座）——雙金屬，實(shí)現(xiàn)金屬球面環(huán)帶硬密封，防火防爆；4.可將壓緊套擰掉調(diào)整或更換閥座，張掖偏心半球閥市場報(bào)價(jià)，閥門還可以繼續(xù)使用，張掖偏心半球閥市場報(bào)價(jià)，避免了現(xiàn)行眾多閥門密封失效后整</span><span style="font-size:16px;">臺報(bào)廢的弊端。</span> 硬密封偏心半球閥的使用范圍及其的普遍。張掖偏心半球閥市場報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="張掖偏心半球閥市場報(bào)價(jià),偏心半球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321628473017578/5991060.png"></div><p> <span style="font-size:16px;">結(jié)構(gòu)特點(diǎn)1、閥座設(shè)外臺階與閥體內(nèi)臺階相配合的結(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)動時(shí)，在共同軌跡自動定心，關(guān)閉過程中越關(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；閥門啟閉時(shí)，閥體與閥座完全脫開。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題。3、非金屬彈性材料被嵌于金屬座中，閥座金屬密封面受到良好的保護(hù)。4、全開時(shí)流通能力大、壓力損失小，且介質(zhì)不會沉積在閥體中腔內(nèi)。5、使用壽命長，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）帶動閥桿迫使關(guān)閉件球體繞中心A轉(zhuǎn)動，球體自B點(diǎn)移至C點(diǎn)，此時(shí)相對閥門中心店O，從B到C的軌跡為一凸輪狀偏心，右旋進(jìn)入閥座使閥門關(guān)閉保持優(yōu)良密封，該閥門按凸輪原理設(shè)計(jì)，閥門關(guān)閉過程中，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> 張掖偏心半球閥市場報(bào)價(jià)偏心半球閥采用金屬和非金屬兩道密封，且要求具有自密封性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="張掖偏心半球閥市場報(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;">偏心半球閥的結(jié)構(gòu)特點(diǎn)閥座設(shè)外臺階與閥體內(nèi)臺階相配合的結(jié)構(gòu)，防止了球體與閥座發(fā)生卡阻或脫離等現(xiàn)象。利用偏心閥體、偏心球體和閥座、閥桿作旋轉(zhuǎn)運(yùn)動時(shí)，在共同軌跡自動定心，關(guān)閉過程中越關(guān)越緊，完全達(dá)到良好密封的目的，所以偏心半球閥密封性能安全可靠；閥門啟閉時(shí)，球體與閥座完全脫開。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題。非金屬彈性材料被嵌于金屬座中，閥座金屬密封面試受到良好的保護(hù)。全開時(shí)流通能力大，壓力損失小，且介質(zhì)不會沉積在閥體中腔內(nèi)。使用壽命長，密封副耐磨，且有補(bǔ)償量，閥座可調(diào)整或更換。工作原理執(zhí)行器（或扳手）帶動閥桿迫使關(guān)閉件球體繞中心A轉(zhuǎn)動，球體自B點(diǎn)移至C點(diǎn)，此時(shí)相對閥門中心點(diǎn)O，從B到C的軌跡為一凸輪狀偏心，右旋進(jìn)入閥座使閥門關(guān)閉保持優(yōu)良密封，該產(chǎn)品按凸輪原理設(shè)計(jì)，閥門關(guān)閉件從開啟到關(guān)閉過程中，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</span><span style="font-size:16px;">漸增大密封比壓，直至完全密封，反之為開。</span> </p><p> <span style="font-size:16px;">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，通過偏心軸旋轉(zhuǎn)90°來實(shí)現(xiàn)閥門的啟閉，起到截?cái)嘟橘|(zhì)的作用。偏心半球閥保證了閥門在開啟或關(guān)閉過程中，閥座和球冠沒有相互摩擦，偏心半球閥采用偏心曲軸，使得球冠中心線與閥門流道中心線偏離一個(gè)偏心距。在閥門開啟時(shí)，曲軸轉(zhuǎn)過一個(gè)很小的角度，球冠就會離開閥座，球冠和閥座不再接觸；反之，在閥門關(guān)閉過程中，只有在關(guān)閉瞬間，球冠才和閥座接觸。偏心半球閥是種結(jié)構(gòu)簡單、體積小、重量輕、使用方便、維修方便等優(yōu)勢，同時(shí)工作效率高及使用范圍廣是其比較大價(jià)值的體現(xiàn)，隨著我國眾多行業(yè)對偏心半球閥的需求不斷擴(kuò)大，加快對這類產(chǎn)品的研發(fā)已經(jīng)被提上了日程。相信在未來，偏心半球閥勢必會我國經(jīng)濟(jì)建設(shè)作出更大貢獻(xiàn)。</span> 偏心半球閥和法蘭閘閥是同屬一個(gè)類型的閥門.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="張掖偏心半球閥市場報(bào)價(jià),偏心半球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637321628519628906/8473790.png"></div><p> <span style="font-size:16px;">統(tǒng)的全通徑球閥雖然球心、閥座經(jīng)過堆焊、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。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。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，力矩小，使用壽命長?？蓱?yīng)用在輸送顆粒類介質(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，全開時(shí)球體與閥座完全脫開，并有一定的間隙，回轉(zhuǎn)半徑分為長半徑和短半徑，在長半徑轉(zhuǎn)動軌跡的切線會與閥座密封面形成一個(gè)θ角，在閥門啟閉時(shí)，半球相對閥座面有一個(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</span><span style="font-size:16px;">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)中金屬或編織類雜物。張掖偏心半球閥市場報(bào)價(jià)</p><p style="text-indent:25px">偏心半球閥是一種比較新型的球閥類別，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。張掖偏心半球閥市場報(bào)價(jià)</p><p> <span style="font-size:16px;">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，通過偏心軸旋轉(zhuǎn)90°來實(shí)現(xiàn)閥門的啟閉，起到截?cái)嘟橘|(zhì)的作用。偏心半球閥保證了閥門在開啟或關(guān)閉過程中，閥座和球冠沒有相互摩擦，偏心半球閥采用偏心曲軸，使得球冠中心線與閥門流道中心線偏離一個(gè)偏心距。在閥門開啟時(shí)，曲軸轉(zhuǎn)過一個(gè)很小的角度，球冠就會離開閥座，球冠和閥座不再接觸；反之，在閥門關(guān)閉過程中，只有在關(guān)閉瞬間，球冠才和閥座接觸。偏心半球閥采用上裝式結(jié)構(gòu)，在維修過程中，不需從管線中拆卸下來，只需卸下閥蓋上的螺栓，取下閥蓋，從而可以取出偏心軸，這樣保證了閥門能夠在線維修。偏心半球閥在開啟時(shí)應(yīng)保證流道完全暢通，在運(yùn)行時(shí)水頭損失小。球體采用半圓形通道，具有良好的流通性能和線性調(diào)節(jié)性能，且雜質(zhì)不會沉積在閥體中腔內(nèi)。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)，在高流速下無任何振動，殼體試驗(yàn)按國家標(biāo)準(zhǔn)GB13927-1992執(zhí)行。偏心半球閥</span><span style="font-size:16px;">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。偏心半球閥具有切削功能，在關(guān)閉時(shí)能將介質(zhì)中雜物（樹枝、紡織袋等）切斷，保證閥門正常啟閉。</span> 張掖偏心半球閥市場報(bào)價(jià)</p><p style="text-indent:25px">甘肅誠禹惠物資有限公司總部位于北濱河西路1226之27號(立達(dá)建材城A區(qū)11棟104室)，是一家閥門及配件、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。甘肅誠禹惠物資作為閥門及配件、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，為客戶提供良好的誠禹惠閥門，球閥批發(fā)，閥門批發(fā)，蝶閥批發(fā)。甘肅誠禹惠物資始終以本分踏實(shí)的精神和必勝的信念，影響并帶動團(tuán)隊(duì)取得成功。甘肅誠禹惠物資始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2705533.html</p></div></div></div></div></div><div id="ujb334o" class="page-right twoColRt"><div id="8wta2y7" class="box01 margin10 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