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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pkrndyq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990768144531/1906127.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fpzhh9g" 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>天水水泵用機(jī)械密封選型,泵用機(jī)械密封</p><p><span>***更新：</span>2020-10-21 01:19:58</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="wfcpuyt" 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="iipwhzv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="4ohyf3p" class="box"><p><p> 密封端面：密封環(huán)在工作時(shí)與另一個(gè)密封環(huán)相貼合的端面。該端面通常是研磨面。旋轉(zhuǎn)環(huán)(動(dòng)環(huán))：隨軸做旋轉(zhuǎn)運(yùn)動(dòng)的密封環(huán)，天水水泵用機(jī)械密封選型。靜止環(huán)(靜環(huán))：不隨軸做旋轉(zhuǎn)運(yùn)動(dòng)的密封環(huán)。補(bǔ)償環(huán)：具有軸向補(bǔ)償能力的密封環(huán)。非補(bǔ)償環(huán)：不具有軸向補(bǔ)償能力的密封環(huán)。補(bǔ)償環(huán)組件：軸向連接并定位彈性元件的零件。傳動(dòng)座：用于與軸或軸套固定并直接帶動(dòng)旋轉(zhuǎn)環(huán)的零件。傳動(dòng)螺釘：用于傳遞扭矩的螺釘，天水水泵用機(jī)械密封選型。緊定螺釘：用于把彈簧座、傳動(dòng)座或其他零件固定于軸或軸套上的螺釘。卡環(huán)：對補(bǔ)償環(huán)起軸向限位作用的零件，天水水泵用機(jī)械密封選型。防轉(zhuǎn)銷：用于防止相鄰兩個(gè)零件相對旋轉(zhuǎn)的銷釘。密封腔：指安裝密封部位旋轉(zhuǎn)軸與靜止殼體之間的環(huán)狀空間。密封腔體：包容密封腔的靜止殼體；彈性元件：彈簧或波紋管之類的具有彈性的零件。摩擦副：配對使用的一組密封環(huán)。圖木舒克渣漿泵用機(jī)械密封選型。天水水泵用機(jī)械密封選型</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天水水泵用機(jī)械密封選型,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990768144531/1906127.png"></div><p> 機(jī)械密封用于各種類型的泵。機(jī)械密封是一種精度較高的密封裝置，對安裝和使用條件均有一定的要求。1、機(jī)械密封安裝使用的一般原則(1)弄清設(shè)備的情況，要了解設(shè)備轉(zhuǎn)軸的轉(zhuǎn)速、軸徑;設(shè)備制造精度及密封腔尺寸，設(shè)備本身的使用壽命以及設(shè)備在生產(chǎn)工藝中的地位等要做***均衡的考慮。(2)估算介質(zhì)壓力。泵的密封腔壓力一般不是泵的出口壓力，而是低于泵的出口壓力。(3)弄清密封介質(zhì)情況。要知道密封介質(zhì)的狀態(tài)，是氣態(tài)還是液態(tài)，介質(zhì)是否含顆粒及顆粒狀況;了解介質(zhì)的性質(zhì)、溫度，以便合理選型及采取必要的冷卻、沖洗、潤滑措施。2、機(jī)械密封安裝使用的技術(shù)要求(1)安裝機(jī)械密封部位的軸或軸套的徑向跳動(dòng)公差：Ф10~50mmФ50~120mm,。軸或軸套的表面粗糙度應(yīng)符合技術(shù)要求，外徑尺寸公差為h6。(2)傳動(dòng)軸的軸向竄動(dòng)量不超過。(3)密封腔體端面對軸表面的跳動(dòng)公差：軸或軸套外徑端面跳動(dòng)公差:Ф10~50mm，Ф50~120mm,(4)軸或軸套的端面及密封腔體的端面要有倒角。軸徑≤Φ30mm時(shí)為3×10°，軸徑>Φ30mm時(shí)為4×10°。(5)當(dāng)輸送介質(zhì)溫度偏高、過低或含有雜質(zhì)顆粒、易燃、易爆、有毒時(shí)，應(yīng)采取相應(yīng)的阻封、沖洗、冷卻、過濾等措施。(6)對某些靠彈簧傳動(dòng)的機(jī)械密封必須注意彈簧的旋向。四川福斯泵用機(jī)械密封安裝綿陽循環(huán)泵用機(jī)械密封泄露。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天水水泵用機(jī)械密封選型,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990697626953/3923738.png"></div><p> 而用于高速泵的機(jī)械密封尺寸一般都在2in左右.高速泵用的機(jī)械密封以美國約翰克蘭公司(JohnCranePackingCompany)的9AB型密封**為典型[圖10-17(a),(b)]，這種密封常用在美國Sundstrand公司高速泵的齒輪箱和泵體的密封上.為了節(jié)省空間并獲得較高的重量與功率比，無論泵的結(jié)構(gòu)和機(jī)械密封結(jié)構(gòu)都很緊湊，一般石油化工公司都引進(jìn)這種高速泵‘，目前揚(yáng)子石油化工公司有關(guān)裝置使用51臺(tái)(見表3-41)，中國石油化工總公司系統(tǒng)使用近200臺(tái)。圖中60C用于齒輪箱密封，60A或60A+60B用于泵葉輪端密封.低溫機(jī)械密封一般低溫機(jī)械密封是指工作溫度在0~-50℃的密封，API-610的低溫含義指溫度低于-29℃，國內(nèi)通常以密封腔溫度低于-20℃為低溫.實(shí)際上，低溫范圍較寬，可以劃分為:低溫:-20~-50℃中低溫:-50~-100℃極低溫:-100~-196℃**溫:<-196℃泵送低溫介質(zhì)主要指液化氣體和易揮發(fā)的液體，如液態(tài)氮、液態(tài)氧、甲烷、乙烷、乙烯等液化氣。關(guān)于氮、氧、空氣等液化氣體的物理性能如表10-3所示.關(guān)于乙烯、丙烯、甲烷、乙烷、丙烷的物理性能如圖10-18(a)、(b)、(c)、(d)所示·一、低溫機(jī)械密封的要求1.材料要求金屬材料隨著溫度降低。</p><p> 機(jī)械密封是靠一對或數(shù)對垂直于軸作相對滑動(dòng)的端面在流體壓力和補(bǔ)償機(jī)構(gòu)的彈力(或磁力)作用下保持貼合并配以輔助密封而達(dá)到阻漏的軸封裝置。1、密封的種類和用途密封材料應(yīng)知足密封功能的要求。因?yàn)楸幻芊獾慕橘|(zhì)不同，以及設(shè)備的工作前提不同，要求密封材料的具有不同的適應(yīng)性。對密封材料的要求一般是：（1）材料致密性好，不易泄露介質(zhì);（2）有適當(dāng)?shù)臋C(jī)械強(qiáng)度和硬度;（3）壓縮性和回彈性好，變形小;（4）高溫下不軟化，不分解，低溫下不硬化，不脆裂;（5）抗侵蝕機(jī)能好，在酸，堿，油等介質(zhì)中能長期工作，其體積和硬度變化小，且不粘附在金屬表面上;（6）摩擦系數(shù)小，耐磨性好;（7）具有與密封面結(jié)合的柔軟性;（8）耐老化性好，經(jīng)久耐用;（9）加工制造利便，價(jià)格便宜，取材輕易。橡膠是常用的密封材料。除橡膠外，適合于做密封材料的還有石墨等，聚四氟乙烯以及各種密封膠等。2、安裝、使用技術(shù)要求（1）設(shè)備轉(zhuǎn)軸的徑向跳動(dòng)應(yīng)≤，軸向竄動(dòng)量不答應(yīng)大于（2）設(shè)備的密封部位在安裝時(shí)應(yīng)保持清潔，密封零件應(yīng)進(jìn)行清洗，密封端面完好無損，防止雜質(zhì)和灰塵帶入密封部位;（3）在安裝過程中嚴(yán)禁碰擊、敲打，以免使機(jī)械密封摩擦付破損而密封失效;。遵義渣漿泵用機(jī)械密封廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天水水泵用機(jī)械密封選型,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990676972656/2521191.png"></div><p> 用肥皂水檢查有氣泡，用濕的石蕊試紙檢驗(yàn)有變色痕跡，有色氣態(tài)介質(zhì)可見淡色煙氣。(3)泄漏：用小紙條檢查時(shí)飛舞，用肥皂水檢查氣泡成串，用濕的石蕊試紙測試馬上變色，有色氣體明顯可見者。(4)重漏：泄漏氣體產(chǎn)生噪聲，可聽見。3.按泄漏的時(shí)間分類(1)經(jīng)常性泄漏：從安裝運(yùn)行或使用開始就發(fā)生的一種泄漏。主要是施工質(zhì)量或是安裝和維修質(zhì)量不佳等原因造成。(2)間歇性泄漏：運(yùn)轉(zhuǎn)或使用一段時(shí)間后才發(fā)生的泄漏，時(shí)漏時(shí)停。這種泄漏是由于操作不穩(wěn)，介質(zhì)本身的變化，地下水位的高低，外界氣溫的變化等因素所致。(3)突發(fā)性泄漏：突然產(chǎn)生的泄漏。這種泄漏是由于誤操作、超壓超溫所致，也與疲勞破損、腐蝕和沖蝕等因素有關(guān)。這是一種危害性很大的泄漏。4.按泄漏的密封部位分類(1)靜密封泄漏：無相對運(yùn)動(dòng)密封副間的一種泄漏。如法蘭、螺紋、箱體、卷口等結(jié)合面的泄漏。相對而言，這種泄漏比較好治理。(2)動(dòng)密封泄漏：有相對運(yùn)動(dòng)密封副間的一種泄漏。如旋轉(zhuǎn)軸與軸座間、往復(fù)桿與填料間、動(dòng)環(huán)與靜環(huán)間等動(dòng)密封的泄漏。這種泄漏較難治理。(3)關(guān)閉件泄漏：關(guān)閉件(閘板、閥瓣、球體、旋塞、節(jié)流錐、滑塊、柱塞等)與關(guān)閉座(閥座、旋塞體等)間的一種泄漏。遵義化工泵用機(jī)械密封廠家。天水水泵用機(jī)械密封選型</p><p style="text-indent:25px">天津飛力泵用機(jī)械密封型號(hào)。天水水泵用機(jī)械密封選型</p><p> 如油渣泵、回?zé)捰捅谩⒊p壓塔底泵等常見的失效現(xiàn)象。在密封面處由于干摩擦、冷卻水突然中斷，雜質(zhì)進(jìn)入密封面、抽空等情況下，都會(huì)導(dǎo)致環(huán)面出現(xiàn)徑向裂紋；b）石墨炭化是使用碳-石墨環(huán)時(shí)密封失效的主要原因之一。由于在使用中，如果石墨環(huán)一旦超過許用溫度（一般在-105～250℃）時(shí)，其表面會(huì)析出樹脂，摩擦面附近樹脂會(huì)發(fā)生炭化，當(dāng)有粘結(jié)劑時(shí)，會(huì)發(fā)泡軟化，使密封面泄漏增加，密封失效；c）輔助密封件（如氟橡膠、乙丙橡膠、全橡膠）在超過許用溫度后，將會(huì)迅速老化、龜裂、變硬失彈?，F(xiàn)在所使用的柔性石墨耐高溫、耐腐蝕性較好，但其回彈性差。而且易脆裂，安裝時(shí)容易損壞。6.由于密封端面的磨損而造成的密封失效a）摩擦副所用的材料耐磨性差、摩擦系數(shù)大、端面比壓（包括彈簧比壓）過大等,都會(huì)縮短機(jī)械密封的使用壽命。對常用的材料，按耐磨性排列的次序?yàn)椋禾蓟?碳石墨、硬質(zhì)合金-碳石墨、陶瓷-碳石墨、噴涂陶瓷--碳石墨、氮化硅陶瓷--碳石墨、高速鋼--碳石墨、堆焊硬質(zhì)合金--碳石墨。b）對于含有固體顆粒介質(zhì)，密封面進(jìn)入固體顆粒是導(dǎo)致使密封失效的主要原因。固體顆粒進(jìn)入摩擦副端面起研磨劑作用，使密封發(fā)生劇烈磨損而失效。密封面合理的間隙。天水水泵用機(jī)械密封選型</p><p style="text-indent:25px">伊格爾博格曼機(jī)械密封（張家港）有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下機(jī)械密封，泵用機(jī)械密封，釜用機(jī)械密封，攪拌器機(jī)械密封深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢，打造機(jī)械及行業(yè)設(shè)備良好品牌。張家港博格曼秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1637444.html</p></div></div></div></div></div><div id="azwlmew" class="page-right twoColRt"><div id="qa3fu2e" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3hbyf83" 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) 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