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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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href="http://www.cdcfah.com/cp/second-jxjxysb_mifengjian/">密封件</a>?<a href="http://www.cdcfah.com/cp/third-mifengjian_jmf/">機(jī)械密封</a>?蕪湖宙斯泵用機(jī)械密封件大全伊格爾博格曼機(jī)械密封供應(yīng)</p><div id="bp3ypbn" class="leftbox clearfix"><h1>蕪湖宙斯泵用機(jī)械密封件大全伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="adp3oah" class="proBig"><div id="vi7elsj" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637330181789541015/3812583.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="v3vry3s" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637330181789541015/3812583.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ai3e7zw" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>蕪湖宙斯泵用機(jī)械密封件大全,泵用機(jī)械密封件</p><p><span>***更新：</span>2021-01-04 06:14:27</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="haznzq3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">伊格爾博格曼機(jī)械密封（張家港）有限公司</a></p><p><span>聯(lián)系人：</span>閆女士</p><p><span>郵箱: </span>eaglebugmann@qq.com</p><p><span>電話: </span>18013293108</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://eaglebugmann.com</p><p><span>手機(jī): </span>0512-58756006</p><p><span>地址: </span>德積福民村（天霸路）</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="st7jio4" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mkjvmfd" class="box"><p><p> 磨損較均勻；從受力角度考慮過窄不利，破壞和變形的可能性增加了＞俐，密封端面的直徑又是載荷系數(shù)的函數(shù)。因此，密封端面的寬度應(yīng)綜合考慮。一般地講，對(duì)普通介質(zhì)密封端面隨直徑的增大而加寬。對(duì)于輕烴類介質(zhì)，端面寬度比在普通介質(zhì)中寬一些：而高速機(jī)械密封，端面寬度相對(duì)地窄一些，否則發(fā)熱量太大，不能正常運(yùn)轉(zhuǎn)，一般在3mm左右。環(huán)直徑（mm、環(huán)寬（mm）－20～602～460～1004～6100～2005—7四、密封環(huán)的技術(shù)要求：1）密封端面的平面度不大于0．0009mm（即三個(gè)單色光干涉帶）；硬質(zhì)材料密封端面粗糙度Ra值不大于0．2μm（相當(dāng)于Δ10）；軟質(zhì)材料密封端面粗糙度Ra值不大于0．4μm(相當(dāng)于Δ9)，表面不應(yīng)有裂紋、劃傷、氣孔和疏松等影響使用性能的缺陷。2）密封環(huán)的密封端面與輔助密封圈接觸的端面平行度按GBll84－80的7級(jí)精度規(guī)定。3）密封環(huán)端面與安裝輔助密封圈的內(nèi)（或外）圓表面的垂直度應(yīng)按GBll84－80的7級(jí)精度的規(guī)定，蕪湖宙斯泵用機(jī)械密封件大全，蕪湖宙斯泵用機(jī)械密封件大全。4）密封環(huán)與輔助密封圈接觸部位的表面粗糙度凡值不大于3．2μm；外圓或內(nèi)孔尺寸公差為hg或Hg。上述要求是對(duì)普通泵用機(jī)械密封的密封環(huán)而言，對(duì)轉(zhuǎn)速較低的釜用機(jī)械密封可適當(dāng)放寬或參考相應(yīng)的標(biāo)準(zhǔn)，而對(duì)高速機(jī)械密封則要求更高，蕪湖宙斯泵用機(jī)械密封件大全。五、平面度平面度。成都襄樊五二五泵用機(jī)械密封件廠家。蕪湖宙斯泵用機(jī)械密封件大全</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蕪湖宙斯泵用機(jī)械密封件大全,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330181789541015/3812583.png"></div><p> 有時(shí)密封介質(zhì)本身就是各種懸浮漿液，這些介質(zhì)中的顆粒對(duì)密封起著磨料作用.高粘度介質(zhì)常指粘度大于Pa·s(700cP)的介質(zhì).一、含有磨料介質(zhì)的機(jī)械密封實(shí)際生產(chǎn)中經(jīng)常遇到液一固兩相或氣一固兩相介質(zhì)的密封問題，而機(jī)械密封的大敵是含有固體顆粒的溶液.磨料介質(zhì)包含以下幾種情況:1.處理物料是漿液;2.在機(jī)體和管線內(nèi)有雜質(zhì)混人;3.由于溫度變化有結(jié)晶析出或有凝固物產(chǎn)生;4.在密封端面內(nèi)有溶解物析出;5.由于化學(xué)反應(yīng)有固體物質(zhì)產(chǎn)生;6.由于電化學(xué)作用在密封端面內(nèi)析出和附著金屬物質(zhì).普通單端面機(jī)械密封遇到磨料介質(zhì)時(shí)產(chǎn)生下列故璋:1.密封端面早期磨損;2.動(dòng)環(huán)因間隙阻塞和密封圈摩擦力增大而不能動(dòng)作;3.密封圈不能起緩沖作用;4.彈簧被雜質(zhì)阻塞不能動(dòng)作;5.軸不能旋轉(zhuǎn);6.整個(gè)密封失效.對(duì)含磨料介質(zhì)的密封應(yīng)采取以下措施:1.加強(qiáng)沖洗冷卻措施，防止雜質(zhì)在密封腔內(nèi)淤塞，如單端面密封應(yīng)加注液潤(rùn)滑，雙端面密封則加阻封液或阻封液和輔助注液合用;2.摩擦副材料選用硬對(duì)硬配合，常用硬質(zhì)合金對(duì)硬質(zhì)合金(或陶瓷);3.盡童采用大彈簧，減少顆粒阻塞機(jī)會(huì)；4.如用波紋管密封代替普通機(jī)械密封，建議用橡膠波紋管和焊接金屬經(jīng)過噴涂或合成橡膠包夜的波紋管，因?yàn)橐话憬饘俨y管對(duì)處理砂漿液能力差。蕪湖宙斯泵用機(jī)械密封件大全江門ITT泵用機(jī)械密封件廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蕪湖宙斯泵用機(jī)械密封件大全,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182347558593/4790620.png"></div><p> 對(duì)于離心泵，轉(zhuǎn)速在2950r／min和直徑小時(shí)，可忽略離心力的影響；當(dāng)直徑較大時(shí)，環(huán)座產(chǎn)生的離心力較大，會(huì)抵消一部分過盈值，不容忽略。此外，環(huán)座材料的彈性模量不同，采用的過盈值也不同，對(duì)于彈性錯(cuò)量小的材料（如4J42和鈦合金等），過盈值可相應(yīng)大些。我們引用計(jì)算過盈值的公式e=dm（a2一a1）（t—t0），取e=0．002dm有0．002=（a2一a1）（t—t0）可得**高使用溫度t=（a2一a1）+t0對(duì)于3Cr13、1Cr18Ni9Ti、Icr18Ni12Mo2Ti和哈氏合金B(yǎng)與C，其彈性模量相近，當(dāng)它們與YG6和YGS熱裝時(shí)，**高使用溫度見表2(取t。＝22℃)。考慮離心力的影響和高溫下環(huán)座材料的應(yīng)力松弛后，各種環(huán)座材料的允許使用溫度見圖28，超出此溫度在密封腔中就應(yīng)采取措施，降低溫度。八、輔助密封圈種類動(dòng)環(huán)和軸（軸套）以及靜環(huán)和壓蓋之間的密封靠輔助密封圈來實(shí)現(xiàn)。它們基本上屬于靜密封，當(dāng)密封端面和軸中心線不垂直時(shí)，動(dòng)環(huán)密封圈沿軸向有很小的軸向運(yùn)動(dòng)，其位移量取決于密封端面和軸中心的垂直度誤差、運(yùn)動(dòng)的次數(shù)和軸轉(zhuǎn)速等。輔助密封圈的種類很多，從材料角度分類有合成橡膠、聚四氟乙烯和柔性石墨等；從斷面形狀分類有圓形、方形、V形、楔形及包覆形密封圈。</p><p> 依靠介質(zhì)壓力和彈簧力使動(dòng)靜環(huán)之間的密封端面緊密貼合，阻止了介質(zhì)的泄漏。摩擦副表面磨損后，在彈簧（5）的推動(dòng)下實(shí)現(xiàn)補(bǔ)償。為了防止介質(zhì)通過動(dòng)環(huán)與軸之間泄漏，裝有動(dòng)環(huán)密封圈（3）；而靜環(huán)密封圈（7）則阻止了介質(zhì)沿靜環(huán)和壓蓋（8）之間的泄漏。長(zhǎng)期的實(shí)踐證明，輔助設(shè)施的作用不可忽視。從國(guó)外進(jìn)來的泵，在提供的機(jī)械密封圖紙上，不僅有密封結(jié)構(gòu)圖，而且在這張圖上明確地畫出了輔助設(shè)施的安裝圖，并注明輔助設(shè)施的種類和數(shù)量。國(guó)內(nèi)的制造廠有的開始注意這個(gè)問題；有的還沒認(rèn)識(shí)，這是不應(yīng)該的。輔助設(shè)施不僅起冷卻和潤(rùn)滑作用，還可改善密封的工作環(huán)境，從而減少泄漏量和延長(zhǎng)使用壽命。因此有人把輔助設(shè)施看作是機(jī)械密封的組成部分。無疑，這一觀點(diǎn)將被越來越多的人接受。機(jī)械密封被廣地應(yīng)用于各種旋轉(zhuǎn)機(jī)械的軸封，工況不同，使用的密封也不同。機(jī)械密封按使用條件可分為高速和普通機(jī)械密封；高壓和低壓機(jī)械密封；高溫、常溫和低溫機(jī)械密封；泵用、壓縮機(jī)用和釜用機(jī)械密封以及耐腐蝕機(jī)械密封和抗顆粒的機(jī)械密封等。通常都按機(jī)械密封的結(jié)構(gòu)和原理來分類，例如旋轉(zhuǎn)式和靜止式機(jī)械密封；內(nèi)流式和外流式機(jī)械密封；平衡型和非平衡型機(jī)械密封等。按補(bǔ)償機(jī)構(gòu)彈性元件的運(yùn)動(dòng)狀況。銅仁襄樊五二五泵用機(jī)械密封件大全。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蕪湖宙斯泵用機(jī)械密封件大全,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330181810244140/4568782.png"></div><p> 圖3-22)Y4D型金屬波紋管密封是Eagle公司用于低壓(()，溫度-200~+400℃密封。波紋管采用Inconel718材料，這種合金的耐氧化性能可達(dá)980℃，在-196℃的低溫下屈服強(qiáng)度可達(dá)1426N/mm2.因此，Inconel718在高低溫條件下都適用.尤里卡裝置中凡高溫的減壓渣油，KSK油，輕、重瓦斯油的密封都采用Y4D型金屬波紋管機(jī)械密封.(圖3-10)雖然59B型密封的使用溫度范圍為-50~十230℃，如果泵送介質(zhì)借助于輸送裝置，通過冷卻器再進(jìn)人密封，則59B型密封仍可用于介質(zhì)溫度大于230℃的場(chǎng)合.例如，芳烴裝置釜液泵GA-116AB的介質(zhì)溫度為290℃，就是采用外冷卻的59B型密封.4.上海水泵廠605系列波紋管機(jī)械密封介紹上海水泵廠引進(jìn)美國(guó)EG&GSEALOL公司技術(shù)，已生產(chǎn)多種系列的密封，其中605系列是焊接波紋管機(jī)械密封，它的型號(hào)、規(guī)格和使用性能如表10-2所示.高壓機(jī)械密封通常認(rèn)為，當(dāng)機(jī)械密封的工作壓力超過4~5MPa時(shí)就視作高壓，有的密封公司把工作壓力達(dá)到3MPa就作為高壓;有的公司以PV值大小來衡量;有的公司則將壓力和溫度一起考慮.一般認(rèn)為在高壓下，由于機(jī)械和熱變形危害機(jī)械密封的功能和可靠性，壓力越高，危害性越大.所以，用于極高壓力的密封比標(biāo)準(zhǔn)型密封要求設(shè)計(jì)改進(jìn)。中山KSB泵用機(jī)械密封件廠家。蕪湖宙斯泵用機(jī)械密封件大全</p><p style="text-indent:25px">麗江石家莊工業(yè)泵泵用機(jī)械密封件廠家。蕪湖宙斯泵用機(jī)械密封件大全</p><p> 機(jī)械密封組件、軸用密封、輕型密封、中型密封、高速密封、干氣密封、金屬波紋管機(jī)械密封、耐堿機(jī)械密封、耐強(qiáng)腐蝕機(jī)械密封、耐酸泵機(jī)械密封、釜用密封、泵用機(jī)械密封等產(chǎn)品。機(jī)械密封是由一對(duì)或者數(shù)對(duì)動(dòng)環(huán)與靜環(huán)組成的平面摩擦副構(gòu)成的密封裝置。依靠彈性構(gòu)件和密封介質(zhì)的壓力在旋轉(zhuǎn)的動(dòng)環(huán)和靜環(huán)的接觸表面，產(chǎn)生適當(dāng)?shù)膲壕o力，使這兩個(gè)端面緊密貼合，密封端面之間維持一層極薄的液體膜而達(dá)到密封的目的。這層液膜具有流體動(dòng)壓力與靜壓力，起潤(rùn)滑和平衡壓力的作用。1.當(dāng)旋轉(zhuǎn)軸（或軸套）9旋轉(zhuǎn)時(shí)，通過緊定螺絲10和彈簧2帶動(dòng)動(dòng)環(huán)3旋轉(zhuǎn)。2.防轉(zhuǎn)銷6固定在靜止的壓蓋4上，防止靜環(huán)7轉(zhuǎn)動(dòng)。3.當(dāng)密封端面磨損時(shí)，動(dòng)環(huán)3連同動(dòng)環(huán)密封圈8在彈簧2推動(dòng)下，沿軸向產(chǎn)生微小移動(dòng)，達(dá)到一定的補(bǔ)償能力，所以稱為補(bǔ)償環(huán)。靜環(huán)通常不具有補(bǔ)償能力，稱為非補(bǔ)償環(huán)，釜用機(jī)械密封標(biāo)準(zhǔn)，通過不同的結(jié)構(gòu)設(shè)計(jì)，補(bǔ)償環(huán)可由動(dòng)環(huán)承擔(dān)，也可由靜環(huán)承擔(dān)。由補(bǔ)償環(huán)，彈性原件和副密封等機(jī)構(gòu)組成的組件為補(bǔ)償環(huán)組件張家港神鹿機(jī)械密封有限公司（原張家港機(jī)械密封廠），是全國(guó)生產(chǎn)機(jī)械密封件的主要廠家之一。公司生產(chǎn)各種機(jī)械密封件產(chǎn)品，淮南釜用機(jī)械密封。蕪湖宙斯泵用機(jī)械密封件大全</p></p><br /><p>文章來源地址: 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