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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/third-mifengjian_jmf/">機(jī)械密封</a>?晉城格蘭富機(jī)械密封CRN10-04A 伊格爾博格曼機(jī)械密封供應(yīng)</p><div id="6alwciu" class="leftbox clearfix"><h1>晉城格蘭富機(jī)械密封CRN10-04A 伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="n5f7yc3" class="proBig"><div id="9h8q778" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637346488639863281/2252172.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xr8l0vw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637346488639863281/2252172.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j3hvlrt" 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>晉城格蘭富機(jī)械密封CRN10-04A,格蘭富機(jī)械密封</p><p><span>***更新：</span>2020-12-09 03:14:14</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="d9d2r8t" 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="u4mwxij" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="av7jn3r" class="box"><p><p> 螺紋密封螺紋密封在泵上一般有兩種形式，一種是螺紋聯(lián)接墊片密封，一種是螺紋加填充濟(jì)密封，二者皆用于小直徑螺紋連接的密封場(chǎng)合。螺紋聯(lián)接墊片密封的密封件是墊片，而螺紋只起提供壓緊力的作用。密封的效果除了墊片的本身性能外。密封面的粗糙度以及與螺紋孔的相對(duì)幾何位置精度對(duì)密封效果影響也很大。于由密封墊片在擰緊螺紋時(shí)不僅承受壓緊力，還承受扭矩，使墊片產(chǎn)生變形甚至損壞，因此，當(dāng)墊片為非金屬時(shí)，一般只適用于壓力不高的場(chǎng)合，如果墊片為金屬則適用壓力可達(dá)30Mpa以上。泵上經(jīng)常使用的絲堵，則是另一種螺紋密封形式。由于考慮到絲堵制造的經(jīng)濟(jì)性，一般單靠螺紋的配合不能起到密封作用，往往用生膠帶，密封膠等填充物填充螺紋的密封間隙。其承壓能力取決于螺紋的制造精度和材質(zhì)，與絲堵和螺紋孔的配合形式?jīng)]有關(guān)系。螺紋孔與絲堵無(wú)論采用"錐對(duì)錐"還是"柱對(duì)錐"，密封效果相同，只是使用地域不同而已。我國(guó)目前兩種形式同等采用。影響密封效果的常見(jiàn)原因是在加工螺紋底孔時(shí)尺寸偏大，使螺紋牙形變短，牙頂變寬，造成密封面減小，晉城格蘭富機(jī)械密封CRN10-04A，當(dāng)密封壓力升高后產(chǎn)生泄漏，晉城格蘭富機(jī)械密封CRN10-04A，晉城格蘭富機(jī)械密封CRN10-04A，甚至將絲堵壓出。由于填充物被密封介質(zhì)腐蝕而產(chǎn)生泄漏的現(xiàn)象在化工行業(yè)的用泵中也時(shí)有發(fā)生。江蘇格蘭富機(jī)械密封大全。晉城格蘭富機(jī)械密封CRN10-04A</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="晉城格蘭富機(jī)械密封CRN10-04A,格蘭富機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637346488639863281/2252172.png"></div><p> 壓縮量過(guò)小動(dòng)靜環(huán)端面比壓不足，則不能密封。（2）安裝動(dòng)環(huán)密封圈的軸（或軸套）端面及安裝靜環(huán)密封圈的密封壓蓋（或殼體）的端面應(yīng)倒角并修光，以免裝配時(shí)碰傷動(dòng)靜環(huán)密封圈。十一、機(jī)封正常運(yùn)行和維護(hù)問(wèn)題1、啟動(dòng)前的準(zhǔn)備工作及注意事項(xiàng)a***檢查機(jī)械密封，以及附屬裝置和管線安裝是否齊全，是否符合技術(shù)要求。b機(jī)械密封啟動(dòng)前進(jìn)行靜壓試驗(yàn)，檢查機(jī)械密封是否有泄漏現(xiàn)象。若泄漏較多，應(yīng)查清原因設(shè)法消除。如仍無(wú)效，則應(yīng)拆卸檢查并重新安裝。一般靜壓試驗(yàn)壓力用2-3公斤/平方厘米。c按泵旋向盤車，檢查是否輕快均勻。如盤車吃力或不動(dòng)時(shí)，則應(yīng)檢查裝配尺寸是否錯(cuò)誤，安裝是否合理。2、安裝與停運(yùn)a啟動(dòng)前應(yīng)保持密封腔內(nèi)充滿液體。對(duì)于輸送凝固的介質(zhì)時(shí)，應(yīng)用蒸氣將密封腔加熱使介質(zhì)熔化。啟動(dòng)前必須盤車，以防止突然啟動(dòng)而造成軟環(huán)碎裂。b對(duì)于利用泵外封油系統(tǒng)的機(jī)械密封，應(yīng)先啟動(dòng)封油系統(tǒng)。停車后**后停止封油系統(tǒng)。c熱油泵停運(yùn)后不能馬上停止封油腔及端面密封的冷卻水，應(yīng)待端面密封處油溫降到80度以下時(shí)，才可以停止冷卻水，以免損壞密封零件。3、運(yùn)轉(zhuǎn)a泵啟動(dòng)后若有輕微泄漏現(xiàn)象，應(yīng)觀察一段時(shí)間。如連續(xù)運(yùn)行4小時(shí)，泄漏量仍不減小，則應(yīng)停泵檢查。b泵的操作壓力應(yīng)平穩(wěn)。臨沂格蘭富機(jī)械密封JMK-22浙江格蘭富機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="晉城格蘭富機(jī)械密封CRN10-04A,格蘭富機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637346488595156250/6943216.png"></div><p> 應(yīng)避免發(fā)生抽空現(xiàn)象，以免造成密封面干摩擦及密封破壞。4、密封情況要經(jīng)常檢查。運(yùn)轉(zhuǎn)中，當(dāng)其泄漏超過(guò)標(biāo)準(zhǔn)時(shí)，如2-3日內(nèi)仍無(wú)好轉(zhuǎn)趨勢(shì)，則應(yīng)停泵檢查密封裝置。吸沙泵配置機(jī)械密封的優(yōu)點(diǎn)是密封性好，但機(jī)械密封的造價(jià)成本高，更換不方便也是現(xiàn)實(shí)操作中存在的問(wèn)題。機(jī)械密封一旦發(fā)生損壞，維修成本要比填料密封高出不少。因?yàn)樵诎惭b使用時(shí)應(yīng)格外注意。減少不必要的操作。避免損害機(jī)封。海川泵業(yè)專業(yè)從事吸沙泵、抽沙泵、泥漿泵、混流泵等設(shè)備研發(fā)、生產(chǎn)和銷售。特別是在清淤、采沙、固堤方面，有著豐富的經(jīng)驗(yàn)。我們專注吸沙泵20年，不僅提供高質(zhì)量的產(chǎn)品和行業(yè)整體解決方案，還提供現(xiàn)場(chǎng)安裝服務(wù)，有關(guān)清淤、吸沙方面方案設(shè)計(jì)及設(shè)備問(wèn)題請(qǐng)隨時(shí)聯(lián)系我們。</p><p> 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(guò)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，不太適用.5.采用雜質(zhì)過(guò)濾輔助裝置，象旋液分離器分離雜質(zhì)效果較好，結(jié)構(gòu)簡(jiǎn)單.三、離粘度介質(zhì)的機(jī)械密封通常液體的比重在，足夠?qū)Υ蠖鄶?shù)密封混合.液體的比重低于Pa·s(700cP)的介質(zhì).粘度如同比重一樣，是表示液體的潤(rùn)滑性質(zhì)，液體具有較高枯度常常具有較好的潤(rùn)滑特性.液體粘度低于·S時(shí)用標(biāo)準(zhǔn)設(shè)計(jì)，不要進(jìn)行什么修改.對(duì)于粘度為·S的液體，要求密封有可靠的驅(qū)動(dòng)設(shè)計(jì)一重載荷承壓裝置，這是為了補(bǔ)償在粘稠環(huán)境下的在密封面上增加的剪切力.另外，還要加強(qiáng)周圍環(huán)境控制，對(duì)密封面進(jìn)行適當(dāng)潤(rùn)滑.當(dāng)摘送高粘度介質(zhì)時(shí)，密封面之間無(wú)液膜存在，必須采用單端面密封帶外沖洗。天津格蘭富機(jī)械密封型號(hào)大全。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="晉城格蘭富機(jī)械密封CRN10-04A,格蘭富機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637346488706728515/8832544.png"></div><p> 無(wú)壓燒結(jié)SiC?鎳基硬質(zhì)合金金屬件材料：?彈性元件常用材料：?彈簧：NS333（多彈簧），316L(單彈簧)?金屬波紋管：Inconel718（C型），NS333（B型）?金屬部件材料：?316L?備注：對(duì)于合金泵，機(jī)械密封的金屬件材料與泵過(guò)流部件等同，或者性能高于泵過(guò)流部件材料輔助密封材料：?機(jī)械密封輔助密封材料要求：彈性，耐蝕性，摩擦系數(shù)，耐溫，耐磨，機(jī)械性能（延伸，抗拉），加工性，抗化學(xué)性能（溶漲，溶解，變形，老化，污染）。?合成橡膠：丁腈橡膠（NBR）-丁二烯和丙烯晴共聚物-耐油;氟橡膠（FKM，VITON）-含氟烯烴共聚物-耐溫，耐油，耐蝕;乙丙橡膠（EPDM，EPM）-丙烯烴共聚物-耐溶劑，耐蒸汽;硅橡膠（Si）-二甲基硅烷與有機(jī)硅單體聚合物-熱穩(wěn)定性;氯丁橡膠（MPVQ，MVQ）-耐熱性，耐蝕性，耐臭氧性，耐侯性;全氟醚橡膠（FFKM，KALREZ）-全氟高聚彈性體-耐熱，耐蝕，抗老化;?聚四氟乙烯包覆橡膠/聚四氟乙烯（PTFE）-耐蝕;?柔性石墨（膨脹石墨）-耐蝕，耐高溫-一次性使用。天津格蘭富機(jī)械密封大全。赤峰格蘭富機(jī)械密封CR15-4</p><p style="text-indent:25px">格蘭富機(jī)械密封CR64。晉城格蘭富機(jī)械密封CRN10-04A</p><p> 可能會(huì)使機(jī)械密封的輔助密封圈發(fā)生老化、泡脹等情況,造成了機(jī)械密封的泄漏。所以在高溫、酸性或者堿性的工作環(huán)境中,機(jī)械密封的輔助密封圈所用的橡膠材質(zhì)應(yīng)選擇那種能耐高溫、耐酸堿的氟橡膠。第三,細(xì)小顆粒物雜質(zhì)損壞密封面引起泄漏當(dāng)彈性元件失彈,動(dòng)環(huán)得不到軸向補(bǔ)償?shù)臅r(shí)候,細(xì)小顆粒物雜質(zhì)會(huì)隨著工作介質(zhì)進(jìn)入到密封端面間,這會(huì)劃傷或者加快磨損密封面,破壞兩密封端面之間的緊密貼合程度,從而使機(jī)械密封岀現(xiàn)泄漏。對(duì)于這種情況可選用硬對(duì)硬的摩擦副材質(zhì),比如碳化硅對(duì)硬質(zhì)合金的摩擦副。3.現(xiàn)場(chǎng)操作人員的經(jīng)驗(yàn)不足臥式高溫離心泵安裝時(shí)一定要嚴(yán)格按照國(guó)家標(biāo)準(zhǔn),盡量避免因?yàn)榘惭b原因?qū)е碌臋C(jī)械密封失效。高溫高壓多級(jí)泵運(yùn)行過(guò)程中出現(xiàn)的泄漏泵用機(jī)械密封在靜試后,高溫高壓多級(jí)離心泵運(yùn)行時(shí)產(chǎn)生的離心力會(huì)阻礙介質(zhì)的泄漏。所以運(yùn)行時(shí)的機(jī)封泄漏大多是因?yàn)閯?dòng)靜環(huán)摩擦副磨損所導(dǎo)致的。造成的原因有以下幾點(diǎn):現(xiàn)場(chǎng)操作人員缺乏經(jīng)驗(yàn)、操作不正當(dāng)造成摩擦面分離;第二,安裝時(shí)過(guò)緊,導(dǎo)致摩擦面磨損；第三,如果動(dòng)環(huán)密封圈過(guò)緊會(huì)造成彈簧無(wú)法調(diào)整；第四,介質(zhì)不干凈,有顆粒物進(jìn)入摩擦副,造成動(dòng)靜環(huán)磨損。臥式高溫離心泵機(jī)封泄漏改造方案：針對(duì)故障原因,對(duì)多級(jí)泵泵口環(huán)及節(jié)流套進(jìn)行改造將。晉城格蘭富機(jī)械密封CRN10-04A</p></p><br /><p>文章來(lái)源地址: 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