煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351 伊格爾博格曼機(jī)械密封供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 所以也要根據(jù)不同的工作溫度選用不同種類(lèi)的浸漬石墨。一般浸巴氏合金石墨適用溫度范圍小于150℃，浸樹(shù)脂石墨適用溫度范圍為170~200℃，浸銅、鋁、鉛的石墨可在小于400℃的工作條件下使用。動(dòng)環(huán)"><meta name="keywords" content="煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351,襄樊五二五機(jī)械密封"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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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>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>煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351,襄樊五二五機(jī)械密封</p><p><span>***更新：</span>2020-12-12 05:14:52</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="uo7alse" 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="irog7xz" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="k7ebifx" class="box"><p><p> 所以也要根據(jù)不同的工作溫度選用不同種類(lèi)的浸漬石墨。一般浸巴氏合金石墨適用溫度范圍小于150℃，浸樹(shù)脂石墨適用溫度范圍為170~200℃，浸銅、鋁、鉛的石墨可在小于400℃的工作條件下使用。動(dòng)環(huán)組件應(yīng)盡可能選用膨脹系數(shù)相近的材料，以防止高溫下動(dòng)環(huán)和動(dòng)環(huán)座的連接松動(dòng)。3、選擇金屬波紋管機(jī)械密封。金屬波紋管密封近年來(lái)在高溫密封中使用很多，并且取得了很好的效果。在該種機(jī)封中，金屬波紋管取代了普通機(jī)封中的彈簧，省去了動(dòng)環(huán)輔助密封圈，不需要克服動(dòng)環(huán)補(bǔ)償時(shí)與轉(zhuǎn)軸的摩擦和磨損，因此在高溫下使用，一般都能取得不錯(cuò)的效果。二、低溫下的機(jī)械密封在煉油化工裝置中，低溫輸送的介質(zhì)一般都具有豁度小、潤(rùn)滑性差、容易氣化的特點(diǎn)，而且介質(zhì)在氣化時(shí)大量吸熱，使周?chē)鷾囟燃眲∠陆担斐煽諝庵兴畾獾哪Y(jié)，導(dǎo)致端面及其周?chē)Y(jié)冰，使端面貼合不嚴(yán)引起泄漏。同時(shí)，煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351，因潤(rùn)滑性差，端面摩擦產(chǎn)生的熱量較多，若不能及時(shí)轉(zhuǎn)移，必然會(huì)加劇端面處的氣化，造成惡性循環(huán)，加速密封面的早期失效。另外，低溫密封的輔助密封圈在低溫下發(fā)硬失彈也容易導(dǎo)致泄漏。對(duì)低溫密封，除了選擇合適的輔助密封圈材質(zhì)外，還要注意以下幾點(diǎn)：1，煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351、改進(jìn)密封結(jié)構(gòu)及正確選擇摩擦副材料，煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351。實(shí)踐證明。襄樊五二五機(jī)械密封HTM-85D351。煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351,襄樊五二五機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637351523758349609/873290.png"></div><p> 化工泵行業(yè)中，機(jī)械密封是防泄漏的主要元件，化工泵在使用中，介質(zhì)的腐蝕性，含顆粒，高粘度狀態(tài)是常遇到的，那么在選用化工泵時(shí)機(jī)械密封的選用有哪些要求呢？一、耐腐蝕機(jī)械密封在腐蝕性介質(zhì)中，機(jī)械密封的零件受到介質(zhì)的強(qiáng)烈侵蝕，摩擦面同時(shí)受到.腐蝕和磨損，這種現(xiàn)象稱(chēng)為“磨蝕“，其腐蝕速度約為無(wú)摩擦?xí)r的10~50倍.某些結(jié)構(gòu)材料具有優(yōu)良的耐蝕性能，耐磨性能卻較差;而另一些結(jié)構(gòu)材料雖具有良好的耐磨性，耐蝕性卻很差.因此，摩擦副應(yīng)選擇既要耐腐蝕又要耐磨，輔助密封圈、彈擠和結(jié)構(gòu)件也要有良好的耐蝕性能.在設(shè)計(jì)耐腐蝕機(jī)械密封時(shí)，一般采取以下一些措施:1、結(jié)構(gòu)上的隔離措施采用外裝式結(jié)構(gòu)，經(jīng)過(guò)適當(dāng)?shù)倪x擇，外裝式密封可以做到無(wú)金屬件與工藝介質(zhì)接觸，小的零件如彈簧、銷(xiāo)子可不受工藝介質(zhì)腐蝕.外裝式有普通型機(jī)械密封和波紋管型機(jī)械密封兩種，’以波紋管型密封結(jié)構(gòu)較好.如密封件材質(zhì)耐蝕能力許可，也可采用內(nèi)裝式結(jié)構(gòu).實(shí)際上，引進(jìn)裝置工藝泵的機(jī)械密封絕大部分為內(nèi)裝式密封.輸送危險(xiǎn)性大的介質(zhì)，可選用雙端面密封結(jié)構(gòu)，并引人隔離液保護(hù).此外，也可采用彈簧帶有保護(hù)層的措施.例如，彈簧外加套塑料軟管或噴涂一層防腐層2、材質(zhì)上選用耐腐蝕材科推薦耐蝕材質(zhì)。福州HTM-40S251襄樊五二五機(jī)械密封MECP-65D3-S/SE7-62襄樊五二五機(jī)械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351,襄樊五二五機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637351523823896484/6292320.png"></div><p> 套)上傳動(dòng)的機(jī)械密封時(shí),應(yīng)選用有刃口的凹端緊定螺釘,牢牢地將旋轉(zhuǎn)部件緊固在軸上。（11）柔性石墨作輔助密封,應(yīng)在干燥狀態(tài),通過(guò)軸向螺栓順序收緊(不可圓周方向交叉收緊)使柔性石墨充分二次變形。（12）安裝帶柔性石墨密封圈的靜止環(huán)時(shí),應(yīng)通過(guò)充分受壓,應(yīng)保證工作面與軸線的垂直度不大于。3、啟動(dòng)前必須要檢查：（1）所有密封系統(tǒng)管件是否已連接好，系統(tǒng)是否處于工作狀態(tài)。（2）襯氟離心泵及密封腔是否充滿(mǎn)了液體。（3）密封腔是否已放盡了空氣。（4）盤(pán)車(chē)檢查應(yīng)手感有阻力，但不應(yīng)有沉重或卡滯現(xiàn)象。4、運(yùn)行時(shí)注意觀察：（1）觀察密封系統(tǒng)的運(yùn)行情況。（2）觀察密封的泄漏情況。（3）運(yùn)行觀察時(shí)必須注意安全防護(hù)，避免因突發(fā)事故引起對(duì)人員的傷害。</p><p> 一、準(zhǔn)備工作1.更換水泵機(jī)械密封前要認(rèn)真檢查集結(jié)密封零件數(shù)量是否足夠，各元件是否有損壞，特別是動(dòng)、靜環(huán)有無(wú)碰傷、裂紋和變形等缺陷。如果有問(wèn)題，需進(jìn)行修復(fù)或更換新備件。2.檢查軸套或壓蓋的倒角是否恰當(dāng)，如不符合要求則必須進(jìn)行修整。3.水泵機(jī)械密封各元件及其有關(guān)的裝配接觸面，在安裝前必須用**或無(wú)水酒精清洗干凈。安裝過(guò)程中應(yīng)保持清潔，特別是動(dòng)、靜環(huán)及輔助密封元件應(yīng)無(wú)雜質(zhì)、灰塵。動(dòng)、靜環(huán)表面涂上一層清潔的機(jī)油或透平油。二、安裝工作1.上緊壓蓋應(yīng)在聯(lián)軸器找正后進(jìn)行。螺栓應(yīng)均勻上緊，防止壓蓋斷面偏斜，用塞尺或**工具檢查各點(diǎn)，其誤差不大于。2.檢查壓蓋與軸或軸套外徑的配合間隙（及同心度），必須保證四周均勻，用塞尺檢查各點(diǎn)允差不大于。3.彈簧壓縮量要按規(guī)定進(jìn)行，不允許有過(guò)大或過(guò)小的現(xiàn)象，要求誤差±，過(guò)大會(huì)增加斷面比壓，加速斷面磨損。過(guò)小會(huì)造成比壓不足而不能起到密封作用，彈簧裝上后在彈簧座內(nèi)要移動(dòng)靈活。用單彈簧時(shí)要注意彈簧的旋向，彈簧的旋向應(yīng)與軸的轉(zhuǎn)動(dòng)方向相反。4.水泵機(jī)械密封動(dòng)環(huán)安裝后須保持靈活移動(dòng)，將動(dòng)環(huán)壓向彈簧后應(yīng)能自動(dòng)彈回來(lái)。5.先將水泵機(jī)械密封靜環(huán)密封圈套在靜環(huán)背部后，再裝入密封端蓋內(nèi)。注意保護(hù)靜環(huán)斷面。LC500-630襄樊五二五機(jī)械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351,襄樊五二五機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637351523736943359/3044076.png"></div><p> 機(jī)械密封是靠一對(duì)或數(shù)對(duì)垂直于軸作相對(duì)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。水泵常用機(jī)械密封結(jié)構(gòu)如圖所示。由靜止環(huán)（靜環(huán)）1、旋轉(zhuǎn)環(huán)（動(dòng)環(huán)）2、彈性元件3、彈簧座4、緊定螺釘5、旋轉(zhuǎn)環(huán)輔助密封圈6和靜止環(huán)輔助密封圈8等元件組成，防轉(zhuǎn)銷(xiāo)7固定在壓蓋9上以防止靜止環(huán)轉(zhuǎn)動(dòng)。旋轉(zhuǎn)環(huán)和靜止環(huán)往往還可根據(jù)它們是否具有軸向補(bǔ)償能力而稱(chēng)為補(bǔ)償環(huán)或非補(bǔ)償還。機(jī)械密封中流體可能泄漏的途徑有如圖1中的A、B、C、D四個(gè)通道。C、D泄漏通道分別是靜止環(huán)與壓蓋、壓蓋與殼體之間的密封，二者均屬靜密封。B通道是旋轉(zhuǎn)環(huán)與軸之間的密封，當(dāng)端面摩擦磨損后，它**能追隨補(bǔ)償環(huán)沿軸向作微量的移動(dòng)，實(shí)際上仍然是一個(gè)相對(duì)靜密封。因此，這些泄漏通道相對(duì)來(lái)說(shuō)比較容易封堵。靜密封元件常用的有橡膠O形圈或聚四氟乙烯V形圈，而作為補(bǔ)償環(huán)的旋轉(zhuǎn)環(huán)或靜止環(huán)輔助密封，有時(shí)采用兼?zhèn)鋸椥栽δ艿南鹉z、聚四氟乙烯或金屬波紋管的結(jié)構(gòu)。A通道則是旋轉(zhuǎn)環(huán)與靜止環(huán)的端面彼此貼合作相對(duì)滑動(dòng)的動(dòng)密封，它是機(jī)械密封裝置中的主密封，也是決定機(jī)械密封性能和壽命的關(guān)鍵。因此，對(duì)密封端面的加工要求很高。襄樊五二五機(jī)械密封LC500/630。福州HTM-40S251襄樊五二五機(jī)械密封</p><p style="text-indent:25px">襄樊五二五機(jī)械密封LC550/700。煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351</p><p> 檢查軸和腔體上重要的軸向,徑向尺寸公差的精確性。2、機(jī)械密封安裝注意事項(xiàng)：（1）機(jī)械密封的安裝環(huán)境必須清潔，周?chē)鷽](méi)有灰沙、粉塵等。（2）密封安裝必須小心、仔細(xì)，不可用強(qiáng)力，不可敲擊。（3）密封安裝的工作空間必須足夠大，能方便人員工作及檢查。工作環(huán)境必須是安全無(wú)障礙的。（4）為了減少摩擦阻力,在軸或軸套上與密封接觸部位可勻涂潤(rùn)滑油或脂,但須注意,當(dāng)選用乙丙橡膠"O"形圈時(shí),切勿與礦物油和脂類(lèi)相接觸,可用水或硅油清潔和潤(rùn)滑。（5）靜止環(huán)"O"形圈應(yīng)用水潤(rùn)滑,施加外壓安裝靜止環(huán)。（6）安裝雙層包覆的PTFE時(shí),外層接縫必須背離安裝方向，劇烈彎曲PTFE會(huì)導(dǎo)致失效，安裝純四氟的"O"形圈時(shí)，需要足夠的時(shí)間和微力,避免擦傷，否則會(huì)造成失效。（7）在密封面上不要使用潤(rùn)滑油（硬對(duì)硬面時(shí)可以涂少許清潔硅油）,裝配過(guò)程應(yīng)在干燥、無(wú)塵、清潔的工作環(huán)境下進(jìn)行,密封面必須保持清潔狀態(tài)。（8）彈簧的旋向與轉(zhuǎn)軸旋向有關(guān)的機(jī)械密封(即固定旋向機(jī)封),從靜止環(huán)向旋轉(zhuǎn)環(huán)看,順時(shí)針旋轉(zhuǎn)的軸需要右旋的彈簧,反之為左旋。（9）橡膠波紋管密封系列機(jī)械密封,將橡膠波紋管用水作潤(rùn)滑劑推壓至軸上,不能使用潤(rùn)滑油脂,使用壓力只能承受于彈簧座上。（10）采用螺釘旋在軸。煙臺(tái)襄樊五二五機(jī)械密封HTM-55D351</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2369839.html</p></div></div></div></div></div><div id="v7f77x2" 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