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href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://m.cdcfah.com/cp/second-wjgj_mifengjianpc/">密封件</a>?<a href="http://m.cdcfah.com/cp/third-mifengjianpc_jmfj/">機(jī)械密封件</a>?江蘇石墨密封可定制企業(yè) 值得信賴漣水創(chuàng)密機(jī)械供應(yīng)</p><div id="cbtikrq" class="leftbox clearfix"><h1>江蘇石墨密封可定制企業(yè) 值得信賴漣水創(chuàng)密機(jī)械供應(yīng)</h1><div id="2pb7hub" class="proBig"><div id="ngdxy2e" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247296977294922/7112794.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8liuwya" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247296977294922/7112794.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wqifhol" 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>江蘇石墨密封可定制企業(yè)</p><p><span>***更新：</span>2020-05-22 21:38:16</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="auroqcz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">漣水創(chuàng)密機(jī)械制造有限公司</a></p><p><span>聯(lián)系人：</span>袁經(jīng)理</p><p><span>郵箱: </span>lscmjx@163.com</p><p><span>電話: </span>15250888877</p><p><span>傳真: </span>153_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚(yáng)民營經(jīng)濟(jì)產(chǎn)業(yè)園</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="ueqnkr7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="etlvnzw" class="box"><p><p style="text-indent:25px">污染。在操作過程中，金屬屑，粉末，污垢，泥土，粗砂和其他細(xì)微的固體顆粒可能會(huì)被拾起并損壞密封件，并可能進(jìn)入保護(hù)區(qū)域。原因可能包括內(nèi)部氣缸污染，一段時(shí)間后氣缸磨損，過濾器堵塞，機(jī)油變臟以及刮水器性能不佳。這些應(yīng)用中使用的任何液體均應(yīng)正確過濾碎屑。溫度過高。熱量可能導(dǎo)致彈性體硬化，并導(dǎo)致密封性能下降，**終變脆并破裂。材料可能會(huì)脫落，導(dǎo)致進(jìn)一步的污染。通常有一個(gè)規(guī)定的溫度范圍，該溫度范圍對于特定密封件的使用是比較好的，應(yīng)該遵守。溫度升高也會(huì)加速老化，江蘇石墨密封可定制企業(yè)。應(yīng)用溫度和恒定摩擦?xí)档鸵簤好芊饧念A(yù)期壽命。例如，江蘇石墨密封可定制企業(yè)，如果在更換密封件時(shí)看到密封邊緣的軸向裂紋，江蘇石墨密封可定制企業(yè)，則可能是密封件暴露于過高的溫度下。另一方面，當(dāng)操作環(huán)境太冷時(shí)，密封件可能會(huì)變脆。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇石墨密封可定制企業(yè)" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247296977294922/7112794.jpg"></div><p> HG20592~20635-1997規(guī)定采用非金屬墊密封時(shí)，法蘭密封面可車制密紋水線或要求法蘭密封面表面粗糙度。對于突面法蘭如車制密紋水線，則標(biāo)記為“RF（A）”。小編也曾在現(xiàn)場開箱驗(yàn)收時(shí)，遇到安裝公司驗(yàn)收人員發(fā)現(xiàn)法蘭密封面不光滑提出疑問。那么，法蘭密封面必須車制密紋水線嗎？在工廠制造法蘭時(shí)一般都在密封面上均勻的車2-3道，水線一般是深1mm，90度,寬度在5mm，密封水紋線的加工，有利于法蘭的密封，而且制造上也容易實(shí)現(xiàn)。但這種密紋水線一般用在軟墊片上。由于墊片是軟的，法蘭面通過擠壓，使墊片進(jìn)入到這些線中，起到密封的作用。密紋水線的加入，把一個(gè)密封面分成了好幾個(gè)密封面，水線好比迷宮，減少了介質(zhì)泄露的可能。新的標(biāo)準(zhǔn)取消了密紋水線的要求，在HG/T20592~20635-2009中規(guī)定，突面、凹面/凸面及全平面密封面是采用加工車刀加工時(shí)自然形成的一種鋸齒形同心圓或螺旋齒槽。加工車刀的圓角半徑應(yīng)不小于，形成的鋸齒形同心圓或螺旋齒槽深度約為，節(jié)距約為。這樣也起到了增加密封效果的作用，只不過紋線是加工時(shí)自然出現(xiàn)的細(xì)密紋線，而水線則是單獨(dú)加工出來的2道或3道較深的槽，而且密紋水線不能是螺旋線。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇石墨密封可定制企業(yè)" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298025927734/7414589.jpg"></div><p> 水泵機(jī)械密封選型方法 </p> <p> 機(jī)械密封按工作條件和介質(zhì)性質(zhì)的不同，有耐高溫、耐低溫機(jī)械密封，耐高壓、耐腐蝕機(jī)械密封，耐顆粒介質(zhì)機(jī)械密封和適應(yīng)易汽化的輕質(zhì)烴介質(zhì)的機(jī)械密封等，應(yīng)根據(jù)不同的用處選取不同結(jié)構(gòu)型式和材料的機(jī)械密封。 </p> <p> 選型的主要參數(shù)有：密封腔體壓力(MPA)、流體溫度(℃)、工作速度(M/S)、流體的特性以及安裝密封的有效空間等。 </p> <p> 選型的基本原則為： </p> <p> 1、根據(jù)密封腔體壓力，確定密封結(jié)構(gòu)采用平衡型或非平衡型，單端面或雙端面等。 </p> <p> 2、根據(jù)工作速度，確定采用旋轉(zhuǎn)式或靜止式，流體動(dòng)壓式或非接觸型。 </p> <p> 3、根據(jù)溫度及流體性質(zhì)，確定摩擦副和輔助密封材料，以及正確選擇潤滑、沖洗、保溫、冷卻等機(jī)械密封循環(huán)保護(hù)系統(tǒng)等。 </p> <p> 4、根據(jù)安裝密封的有效空間，確定采用多彈簧或單彈簧或波形彈簧，內(nèi)裝式或外裝式。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇石墨密封可定制企業(yè)" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245506574501953/5991629.jpg"></div></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/9399.html</p></div></div></div></div></div><div id="b78apgx" class="page-right twoColRt"><div id="8nkmdub" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xrjqxeg" 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