鹽城葉輪泵密封生產(chǎn)企業(yè) 服務(wù)為先漣水創(chuàng)密機械供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="離心泵口環(huán)一般指葉輪口環(huán)，是安裝在水泵葉輪和泵體之間的一個環(huán)狀金屬圈，口環(huán)，也叫耐磨環(huán)。其主要作用是防止出口端介質(zhì)倒流回進口端介質(zhì)也就是密封作用（因此有“密封環(huán)”這一名稱）；同時也起耐磨作用，避免葉輪和泵殼直接接觸損"><meta name="keywords" content="鹽城葉輪泵密封生產(chǎn)企業(yè),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" content="no-transform" /> <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 id="qgqbi"></u><noframes id="qgqbi"></noframes><menu id="qgqbi"></menu><blockquote id="qgqbi"></blockquote><track id="qgqbi"><label id="qgqbi"></label></track><tbody id="qgqbi"></tbody><legend id="qgqbi"></legend><th id="qgqbi"><button id="qgqbi"></button></th><listing id="qgqbi"><rt id="qgqbi"></rt></listing><sup id="qgqbi"><dd id="qgqbi"><tbody id="qgqbi"></tbody></dd></sup><menu id="qgqbi"><xmp id="qgqbi"></xmp></menu><fieldset id="qgqbi"><acronym id="qgqbi"></acronym></fieldset><wbr id="qgqbi"><mark id="qgqbi"><strong id="qgqbi"></strong></mark></wbr><tbody id="qgqbi"><small id="qgqbi"></small></tbody><label id="qgqbi"><tfoot id="qgqbi"></tfoot></label><div id="qgqbi"><th id="qgqbi"><object id="qgqbi"></object></th></div><listing id="qgqbi"></listing><source id="qgqbi"><ins id="qgqbi"></ins></source><noframes id="qgqbi"></noframes><noscript id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"></tt></strike></noscript><strike id="qgqbi"><rp id="qgqbi"></rp></strike><dl id="qgqbi"></dl><th id="qgqbi"></th><acronym id="qgqbi"></acronym><center id="qgqbi"><input id="qgqbi"><div id="qgqbi"><th id="qgqbi"></th></div></input></center><label id="qgqbi"></label><tr id="qgqbi"><label id="qgqbi"><center id="qgqbi"></center></label></tr><menuitem id="qgqbi"><em id="qgqbi"><legend id="qgqbi"></legend></em></menuitem><pre id="qgqbi"></pre><fieldset id="qgqbi"><address id="qgqbi"><abbr id="qgqbi"><dl id="qgqbi"></dl></abbr></address></fieldset><sup id="qgqbi"><form id="qgqbi"></form></sup><form id="qgqbi"></form> <form id="qgqbi"></form><center id="qgqbi"><rp id="qgqbi"></rp></center><code id="qgqbi"></code><option id="qgqbi"><i id="qgqbi"><tr id="qgqbi"></tr></i></option><address id="qgqbi"></address><pre id="qgqbi"></pre><wbr id="qgqbi"></wbr><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"></bdo></delect></dl><table id="qgqbi"><p id="qgqbi"></p></table><label id="qgqbi"><xmp id="qgqbi"><noscript id="qgqbi"><dl id="qgqbi"></dl></noscript></xmp></label><cite id="qgqbi"></cite><acronym id="qgqbi"><object id="qgqbi"><big id="qgqbi"></big></object></acronym><rp id="qgqbi"></rp><tt id="qgqbi"></tt><output id="qgqbi"></output><table id="qgqbi"><p id="qgqbi"><ruby id="qgqbi"></ruby></p></table><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><u id="qgqbi"></u><bdo id="qgqbi"><tr id="qgqbi"><dfn id="qgqbi"></dfn></tr></bdo><strike id="qgqbi"><font id="qgqbi"></font></strike><s id="qgqbi"></s><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"><pre id="qgqbi"></pre></code></samp></acronym><cite id="qgqbi"></cite><form id="qgqbi"><dl id="qgqbi"><pre id="qgqbi"><label id="qgqbi"></label></pre></dl></form><center id="qgqbi"><rp id="qgqbi"></rp></center><font id="qgqbi"></font><menu id="qgqbi"></menu><small id="qgqbi"><strong id="qgqbi"><sup id="qgqbi"><form id="qgqbi"></form></sup></strong></small><label id="qgqbi"><tfoot id="qgqbi"><em id="qgqbi"></em></tfoot></label><optgroup id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></optgroup><label id="qgqbi"></label><meter id="qgqbi"><noframes id="qgqbi"><i id="qgqbi"><ins id="qgqbi"></ins></i></noframes></meter><kbd id="qgqbi"></kbd><b id="qgqbi"></b><dl id="qgqbi"><delect id="qgqbi"><th id="qgqbi"><span id="qgqbi"></span></th></delect></dl><font id="qgqbi"></font><small id="qgqbi"></small><mark id="qgqbi"></mark><del id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></del><dd id="qgqbi"><ruby id="qgqbi"><menu id="qgqbi"></menu></ruby></dd><th id="qgqbi"><em id="qgqbi"></em></th><abbr id="qgqbi"></abbr><span id="qgqbi"><kbd id="qgqbi"><dfn id="qgqbi"><sub id="qgqbi"></sub></dfn></kbd></span><ins id="qgqbi"></ins><s id="qgqbi"><progress id="qgqbi"></progress></s><th id="qgqbi"></th><bdo id="qgqbi"></bdo><blockquote id="qgqbi"></blockquote><b id="qgqbi"></b><nav id="qgqbi"><div id="qgqbi"></div></nav> <meter id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></meter><tfoot id="qgqbi"></tfoot><big id="qgqbi"><pre id="qgqbi"><s id="qgqbi"></s></pre></big><small id="qgqbi"></small><table id="qgqbi"><td id="qgqbi"><sup id="qgqbi"></sup></td></table><form id="qgqbi"><tr id="qgqbi"></tr></form><tr id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></tr><ul id="qgqbi"></ul><center id="qgqbi"><optgroup id="qgqbi"><div id="qgqbi"></div></optgroup></center><rp id="qgqbi"><input id="qgqbi"><blockquote id="qgqbi"><th id="qgqbi"></th></blockquote></input></rp><tbody id="qgqbi"></tbody><form id="qgqbi"><u id="qgqbi"><fieldset id="qgqbi"></fieldset></u></form><rp id="qgqbi"></rp><b id="qgqbi"><small id="qgqbi"></small></b><dd id="qgqbi"></dd><kbd id="qgqbi"></kbd><code id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"></ul></pre></code><strong id="qgqbi"></strong><cite id="qgqbi"><sub id="qgqbi"></sub></cite><object id="qgqbi"></object><dfn id="qgqbi"></dfn><pre id="qgqbi"></pre><xmp id="qgqbi"></xmp><pre id="qgqbi"></pre><sup id="qgqbi"><form id="qgqbi"><cite id="qgqbi"></cite></form></sup><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><input id="qgqbi"></input><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"></code></samp></acronym><nobr id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"><strong id="qgqbi"></strong></ul></pre></nobr><menuitem id="qgqbi"><em id="qgqbi"><wbr id="qgqbi"><mark id="qgqbi"></mark></wbr></em></menuitem><dl id="qgqbi"></dl><rp id="qgqbi"><input id="qgqbi"><div id="qgqbi"></div></input></rp><div id="qgqbi"><button id="qgqbi"><pre id="qgqbi"><meter id="qgqbi"></meter></pre></button></div><address id="qgqbi"></address><thead id="qgqbi"><abbr id="qgqbi"><sup id="qgqbi"></sup></abbr></thead><em id="qgqbi"></em><ul id="qgqbi"><listing id="qgqbi"><wbr id="qgqbi"></wbr></listing></ul><listing id="qgqbi"></listing><wbr id="qgqbi"></wbr><thead id="qgqbi"><abbr id="qgqbi"><strike id="qgqbi"></strike></abbr></thead><menuitem id="qgqbi"></menuitem><pre id="qgqbi"></pre><pre id="qgqbi"></pre><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"><span id="qgqbi"></span></bdo></delect></dl><ruby id="qgqbi"></ruby><pre id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"><i id="qgqbi"></i></tt></strike></pre><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset><cite id="qgqbi"><sub id="qgqbi"></sub></cite><optgroup id="qgqbi"></optgroup><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset></div><div id="jdtpn" class="pl_css_ganrao" style="display: none;"><acronym id="jdtpn"><strong id="jdtpn"></strong></acronym><progress id="jdtpn"><strong id="jdtpn"></strong></progress><thead id="jdtpn"><dfn id="jdtpn"></dfn></thead><tt id="jdtpn"><thead id="jdtpn"></thead></tt><strong id="jdtpn"><ol id="jdtpn"></ol></strong><legend id="jdtpn"><menuitem id="jdtpn"></menuitem></legend><dfn id="jdtpn"><p id="jdtpn"></p></dfn><listing id="jdtpn"><pre id="jdtpn"></pre></listing><menuitem id="jdtpn"><thead id="jdtpn"></thead></menuitem><style id="jdtpn"><progress id="jdtpn"></progress></style><strong id="jdtpn"><nobr id="jdtpn"></nobr></strong><track id="jdtpn"><style id="jdtpn"></style></track><ol id="jdtpn"><font id="jdtpn"></font></ol><font id="jdtpn"><legend id="jdtpn"></legend></font><ruby id="jdtpn"><strong id="jdtpn"></strong></ruby><output id="jdtpn"><track id="jdtpn"></track></output><pre id="jdtpn"><mark id="jdtpn"></mark></pre><ruby id="jdtpn"><strong id="jdtpn"></strong></ruby><thead id="jdtpn"><legend id="jdtpn"></legend></thead><legend id="jdtpn"><ruby id="jdtpn"></ruby></legend><mark id="jdtpn"><acronym id="jdtpn"></acronym></mark><u id="jdtpn"><mark id="jdtpn"></mark></u><p id="jdtpn"><ol id="jdtpn"></ol></p><strong id="jdtpn"><menuitem id="jdtpn"></menuitem></strong><tt id="jdtpn"><ol id="jdtpn"></ol></tt><optgroup id="jdtpn"><dfn id="jdtpn"></dfn></optgroup><font id="jdtpn"><var id="jdtpn"></var></font><strong id="jdtpn"><u id="jdtpn"></u></strong><pre id="jdtpn"><mark id="jdtpn"></mark></pre><output id="jdtpn"><var id="jdtpn"></var></output><sup id="jdtpn"><big id="jdtpn"></big></sup><menuitem id="jdtpn"><pre id="jdtpn"></pre></menuitem><legend id="jdtpn"><var id="jdtpn"></var></legend><ol id="jdtpn"><font id="jdtpn"></font></ol><legend id="jdtpn"><tt id="jdtpn"></tt></legend><address id="jdtpn"><nobr id="jdtpn"></nobr></address><legend id="jdtpn"><p id="jdtpn"></p></legend><track id="jdtpn"><ol id="jdtpn"></ol></track><legend id="jdtpn"><ruby id="jdtpn"></ruby></legend><mark id="jdtpn"><output id="jdtpn"></output></mark><optgroup id="jdtpn"><dfn id="jdtpn"></dfn></optgroup><thead id="jdtpn"><video id="jdtpn"></video></thead><font id="jdtpn"><tt id="jdtpn"></tt></font><big id="jdtpn"><b id="jdtpn"></b></big><legend id="jdtpn"><pre id="jdtpn"></pre></legend><output id="jdtpn"><strong id="jdtpn"></strong></output><font id="jdtpn"><legend id="jdtpn"></legend></font><ol id="jdtpn"><acronym id="jdtpn"></acronym></ol><ruby id="jdtpn"><form id="jdtpn"></form></ruby><style id="jdtpn"><strong id="jdtpn"></strong></style></div><header class="header container"><span id="hvnt7zt" class="logo"><a href="http://www.cdcfah.com/"><img src="/static/new_net_01/images/logo.png" alt="找產(chǎn)品網(wǎng)"></a></span><span id="zfjznth" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務(wù)平臺 </span><div id="3zhpf5z" class="searchbox"><div id="zlx5x7b" class="searchLt"><div id="bprn5vt" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="jjrhfjf" class="clearfix searchWrap"><div id="33ljp3h" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="lbrbrnb" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="x3zpvd3" class="twoCol"><div id="bzxvtrn" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_bengtc/">泵</a>?<a href="http://www.cdcfah.com/cp/third-bengtc_bpjwp/">泵配件</a>?鹽城葉輪泵密封生產(chǎn)企業(yè) 服務(wù)為先漣水創(chuàng)密機械供應(yīng)</p><div id="v7f3p5p" class="leftbox clearfix"><h1>鹽城葉輪泵密封生產(chǎn)企業(yè) 服務(wù)為先漣水創(chuàng)密機械供應(yīng)</h1><div id="9txdjzf" class="proBig"><div id="th37zpd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293380048828/7808572.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jz3rflj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293380048828/7808572.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j5dtpdb" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>鹽城葉輪泵密封生產(chǎn)企業(yè),封</p><p><span>***更新：</span>2020-11-04 09:16:53</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="zfljrfn" 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: </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚民營經(jīng)濟產(chǎn)業(yè)園</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="3fv5ptp" class="page-proshow02"><p class="title">詳細說明</p><div id="xlb7jrn" class="box"><p><p> 離心泵口環(huán)一般指葉輪口環(huán)，是安裝在水泵葉輪和泵體之間的一個環(huán)狀金屬圈， </p> <p> <span style="font-size:12px;"> 口環(huán)，也叫耐磨環(huán)。其主要作用是防止出口端介質(zhì)倒流回進口端介質(zhì)也就是密封作用（因此有“密封環(huán)”這一名稱）；同時也起耐磨作用，避免葉輪和泵殼直接接觸損壞，有保護葉輪的作用（因此有“耐磨環(huán)”這一名稱）。</span> </p> <p> <span style="font-size:12px;">離心泵口環(huán)，一般水泵的級數(shù)與口環(huán)的數(shù)量是一樣的，也就是說一個5級的水泵，那么口環(huán)也就有5個，一個首口環(huán)，4個口環(huán)。</span> </p> <p> <span style="font-size:12px;">多級離心泵口環(huán)的作用是在葉輪與泵殼間形成狹窄、曲折的通道，來增加介質(zhì)的流動阻力，達到減少介質(zhì)泄漏的目的。離心泵口環(huán)的設(shè)置還起到保護泵上主要零件不受磨損的作用(公眾號:泵管家)，在口環(huán)磨損后，可以修復(fù)或更換新環(huán)、恢復(fù)正常裝配間隙，這樣既經(jīng)濟又便于檢修。</span> </p> <p> <span style="font-size:12px;">口環(huán)間隙大會將低泵的使用效率，經(jīng)過泵加壓的流體會過多的從泵出口區(qū)域沿葉輪與口環(huán)的間隙返回到進口，從而降低了泵的使用效率，同時由于流量的加大，會使口環(huán)過早的被磨損。口環(huán)間隙過大，會導(dǎo)致泵的流量降低，嚴重時不上量。 </span> </p> <p> <span style="font-size:12px;">離心泵口環(huán)的完好性及它與葉輪問徑向間隙含，在拆卸泵時應(yīng)首先檢查。如離心泵口環(huán)已有溝槽等缺損或已破裂或間隙艿超過表5中所規(guī)定的數(shù)值時，應(yīng)更換新口環(huán)或?qū)⒃诃h(huán)補焊修復(fù)。</span> </p> <p> <br /> </p> <p> <br /> 機械密封按工作條件和介質(zhì)性質(zhì)的不同，鹽城葉輪泵密封生產(chǎn)企業(yè)，有耐高溫，鹽城葉輪泵密封生產(chǎn)企業(yè)，鹽城葉輪泵密封生產(chǎn)企業(yè)、耐低溫機械密封，耐高壓、耐腐蝕機械密封等。鹽城葉輪泵密封生產(chǎn)企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城葉輪泵密封生產(chǎn)企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293380048828/7808572.jpg"></div><p> 螺紋密封 </p> <p> 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密封，二者皆用于小直徑螺紋連接的密封場合。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幾何位置精度對密封效果影響也很大。于由密封墊片在擰緊螺紋時不僅承受壓緊力，還承受扭矩，使墊片產(chǎn)生變形甚至損壞，因此，當墊片為非金屬時，一般只適用于壓力不高的場合，如果墊片為金屬則適用壓力可達30Mpa以上。 </p> <p> 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。螺紋孔與絲堵無論采用"錐對錐"還是"柱對錐"，密封效果相同，只是使用地域不同而已。我國目前兩種形式同等采用。影響密封效果的常見原因是在加工螺紋底孔時尺寸偏大，使螺紋牙形變短，牙頂變寬，造成密封面減小，當密封壓力升高后產(chǎn)生泄漏，甚至將絲堵壓出。鹽城清水密封經(jīng)銷廠家選擇合適的密封件材質(zhì)和液壓油，以及對工作溫度的適應(yīng)性，對油的相容性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城葉輪泵密封生產(chǎn)企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293279589844/7625641.jpg"></div><p> 防止工作介質(zhì)從泵內(nèi)泄漏出來或者防止外界雜質(zhì)或空氣侵入到泵內(nèi)部的裝置或措施稱為密封，被密封的介質(zhì)一般為液體、氣體或粉塵。 </p> <p> 造成泄漏的原因主要有兩個方面：一是密封面上有間隙。二是密封部位兩側(cè)存在壓力差，消除或減小任何一個因素都可以阻止或減小泄漏，達到密封的目的。泵的設(shè)計壓力和使用壓力是客觀存在不能減小，所以泵的密封該解決的是消除或減小密封面之間的間隙。這種間隙包括密封面之間的間隙和密封裝置本生內(nèi)部的間隙。 </p> <p> <br /> </p><p> 離心泵的機械密封使用與潤滑保養(yǎng) </p> <p> <p> 在液體介質(zhì)中工作的機械密封，一般均依靠液體介質(zhì)在動、靜環(huán)摩擦面間所形成的液膜進行潤滑。因此，維持摩擦面間的液膜是機械密封穩(wěn)定運轉(zhuǎn)、延長使用壽命所必不可少的。 </p> <p> 強化潤滑的結(jié)構(gòu) </p> <p> 靜壓潤滑： </p> <p> 所謂靜壓潤滑是將有壓力的潤滑液體直接引入摩擦面以起到潤滑的作用。用此有壓力的潤滑液與機械內(nèi)的流體壓力相對抗，此種形式通常也稱為流體靜壓力密封。引入的潤滑液體由單獨的液源供給，如液壓泵等。只要條件允許，應(yīng)盡可能把氣體介質(zhì)條件轉(zhuǎn)換為液體介質(zhì)條件，這樣既便于潤滑又便于密封。氣體介質(zhì)的機械密封應(yīng)采取措施建立氣膜潤滑，如采用氣體靜壓受控膜機械密封或固體潤滑，即選用自潤滑材料作動環(huán)或靜環(huán)。 </p> <p> 端面偏心： </p> <p> 一般機械密封，動環(huán)的中心、靜環(huán)的中心和軸的中心線都在一條直線上，偏心尺寸不能過大，特別是對于高壓，偏心會使端面所受的壓力不均勻，而造成磨損不均勻。對于高轉(zhuǎn)速密封，不宜用動環(huán)作為偏心環(huán)，否則由于離心力的平衡會使機器發(fā)生振動。如果將動環(huán)或靜環(huán)中的某一個環(huán)的端面中心做成與軸的中心線偏移部分距離，便能使環(huán)在旋轉(zhuǎn)時不斷帶入潤滑液至滑動面間起潤滑作用。 </p> <p> <br /> </p> 動密封類有哪些？答：皮碗、漲圈、螺旋、氣動、水力、離心、填料、迷宮、機械密封等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城葉輪泵密封生產(chǎn)企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298359511719/4792927.jpg"></div><p> 密封墊片的種類有很多，不同材料、不同形狀的墊片有不同的作用。如果選錯了墊片，不僅不能很好的密封，還可能變?yōu)榘踩?，隨時有發(fā)生危險的可能。你知道密封墊片有哪些嗎，他們有什么特點？ </p> <p> 工業(yè)橡膠板 </p> <p> 天然橡膠適用于水、海水、空氣、惰性氣體、堿類、鹽類水溶液等介質(zhì)，但不耐礦物油和非極性溶劑，長期使用溫度不超過90℃，低溫性能優(yōu)異，可在-60℃以上使用。 </p> <p> 丁腈橡膠適用于石油類產(chǎn)品，如石油、潤滑油、燃料油等，長期使用溫度為120℃，如在熱油中可耐150℃，低溫為-10~-20℃。 </p> <p> 氯丁橡膠適用于海水、弱酸、弱堿、鹽溶液，耐氧和臭氧老化性能優(yōu)異，耐油性次于丁腈橡膠而優(yōu)于其他通用橡膠，長期使用溫度低于90℃，比較高使用溫度不超過130℃，低溫為-30~-50℃。 </p> <p> 氟橡膠有多個品種，它們分別具有良好的耐酸、耐氧化性能以及耐油、耐溶劑性能。可以在幾乎所有的酸類介質(zhì)以及一些油和溶劑中使用，長期使用溫度低于200℃。 </p> <p> 橡膠板材作為法蘭墊片，多用于管道或經(jīng)常拆卸的人孔、手孔，壓力不超過1.568MPa。因在各類墊片中，橡膠墊片**軟，貼合性能好，在較小的預(yù)緊力下就能發(fā)揮密封效果。正因如此，在承受內(nèi)壓時，因墊片偏厚或硬度偏低而容易被擠出。 </p> <p> <br /> 泵中常用的是橡膠O型圈。常州離心泵密封供貨商</p><p style="text-indent:25px">在密封面處由于干摩擦、冷卻水突然中斷，雜質(zhì)進入密封面、抽空等情況下，都會導(dǎo)致環(huán)面出現(xiàn)徑向裂紋。鹽城葉輪泵密封生產(chǎn)企業(yè)</p><p> 低溫下的機械密封 </p> <p> 在煉油化工裝置中，低溫輸送的介質(zhì)一般都具有豁度小、潤滑性差、容易氣化的特點，而且介質(zhì)在氣化時大量吸熱，使周圍溫度急劇下降，造成空氣中水氣的凝結(jié)，導(dǎo)致端面及其周圍結(jié)冰，使端面貼合不嚴引起泄漏。同時，因潤滑性差，端面摩擦產(chǎn)生的熱量較多，若不能及時轉(zhuǎn)移，必然會加劇端面處的氣化，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。 </p> <p> <span style="font-size:12px;">對低溫密封，除了選擇合適的輔助密封圈材質(zhì)外，還要注意以下幾點。</span> </p> <p> 改進密封結(jié)構(gòu)及正確選擇摩擦副材料。實踐證明，在靜環(huán)表面開圓弧形凹槽可形成流體動力密封，增加流體膜承載能力，改善端面潤滑條件，有效延長機封工作壽命。在端面配對方面，碳化鎢一M106K石墨組對（即動、靜環(huán)材料）一般要優(yōu)于其他材料，因為其潤滑性好，摩擦系數(shù)低，導(dǎo)熱性也比較好。 </p> <p> 選擇合適的端面比壓。低溫密封由于端面潤滑性差，容易發(fā)生氣化、結(jié)冰，所以在保證密封可靠的前提下，端面比壓可適當減小。一般機械密封比壓值推薦為0.29-0.59MPa，對低溫密封可取其下限。對金屬波紋管機械密封，由于動環(huán)沒有軸向摩擦，端面比壓甚至可以低于下限。 </p> <p> <br /> 鹽城葉輪泵密封生產(chǎn)企業(yè)</p><p style="text-indent:25px">漣水創(chuàng)密機械制造有限公司總部位于江蘇省淮安市漣水縣高溝鎮(zhèn)高揚民營經(jīng)濟產(chǎn)業(yè)園，是一家漣水創(chuàng)密機械制造有限公司產(chǎn)品包括:輕型密封、中型密封、重型密封，廣泛應(yīng)用于石油、化工、電力、造紙，食品，機械密封件來料加工（塑料機械密封件除外）、銷售；機械配件、汽車配件銷售；自營和代理各類商品及技術(shù)的進出口業(yè)務(wù)，的公司。公司自創(chuàng)立以來，投身于輕型密封，中型密封，重型密封，小型水泵，是機械及行業(yè)設(shè)備的主力軍。創(chuàng)密機械制造始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。創(chuàng)密機械制造始終關(guān)注機械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1845527.html</p></div></div></div></div></div><div id="nlnff5l" class="page-right twoColRt"><div id="jlbhhvl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hj7xv5l" class="recomPic likePro"><a href="http://www.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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="dxxndj7" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)</p></a></div><div id="xl3zplz" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/2083415.html"><div><img src="https://tyunfile.71360.com/UploadFile/WZAJZNKJ/637332852248037109/2461316.png" alt="200l桶自動灌裝機生產(chǎn)廠歡迎來電溫州奧基智能科技供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>200l桶自動灌裝機生產(chǎn)廠歡迎來電溫州奧基智能科技供應(yīng)</p></a></div><div id="5zhntr5" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/1387.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/3/11/637004297269091023_cyjqc_1306937.jpg" alt="烏魯木齊市會務(wù)租車網(wǎng) 車永捷供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊市會務(wù)租車網(wǎng) 車永捷供應(yīng)</p></a></div><div id="fzfntxd" class="clear"></div></div><div id="np3vtzv" class="box01 box03"><h3><a href="http://www.cdcfah.com/xw/">***產(chǎn)品資訊</a></h3><ul></ul></div></div></section><div id="fz7jhpf" class="page-proshow02"><p class="title">本企業(yè)其它產(chǎn)品 <span style="float:right;"><a >更多>></a></span></p><div id="dfdbzvb" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/7933.html"><div id="jjrhftr" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245506653222656/6447310.jpg" alt="連云港中型機械密封中間商誠信經(jīng)營漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>連云港中型機械密封中間商誠信經(jīng)營漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/7934.html"><div id="5xvtjpx" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247288138056640/67425.jpg" alt="江蘇軸承密封廠家誠信經(jīng)營漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>江蘇軸承密封廠家誠信經(jīng)營漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/7935.html"><div id="n33rppn" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245508261533203/8577088.jpg" alt="淮安端面密封廠家誠信為本漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>淮安端面密封廠家誠信為本漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/9003.html"><div id="3jh3fjp" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245509450722656/6042605.jpg" alt="淮安石墨密封規(guī)格型號服務(wù)為先漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>淮安石墨密封規(guī)格型號服務(wù)為先漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/9004.html"><div id="phpntrh" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245509697412109/7788084.jpg" alt="泰州密封廠家批發(fā)價格歡迎來電漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>泰州密封廠家批發(fā)價格歡迎來電漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/9394.html"><div id="xd3tjpx" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247288138056640/67425.jpg" alt="河南機械密封廠家價格客戶至上漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>河南機械密封廠家價格客戶至上漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/9395.html"><div id="tv3bhf5" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245504363457031/2122288.png" alt="蘇州機械液壓密封廠家推薦服務(wù)為先漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州機械液壓密封廠家推薦服務(wù)為先漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/9396.html"><div id="xbj3ltj" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245510183769531/1626763.jpg" alt="臺州輕型機械密封廠家批發(fā)價格和諧共贏漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>臺州輕型機械密封廠家批發(fā)價格和諧共贏漣水創(chuàng)密機械供應(yīng)</p></a></li></ul></div></div><div id="hpndbhx" class="page-proshow02"><p class="title">同類產(chǎn)品推薦 <span><a href="http://www.cdcfah.com/cp/first-_jxjxysb/">更多>></a></span></p><div id="lvdlbxv" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/80227.html"><div id="njhxnbr" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293635341797/9903144.jpg" alt="江蘇電動泵密封制造廠家誠信經(jīng)營漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>江蘇電動泵密封制造廠家誠信經(jīng)營漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/429061.html"><div id="7hxljx7" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503105126953/1175882.jpg" alt="蘇州計量泵密封經(jīng)銷廠家歡迎咨詢漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州計量泵密封經(jīng)銷廠家歡迎咨詢漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1797928.html"><div id="hxd5ntz" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298412392578/7048929.jpg" alt="南通污水密封廠家推薦客戶至上漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通污水密封廠家推薦客戶至上漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/2825421.html"><div id="zrzxv7x" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247286448720703/8635806.jpg" alt="南通污水密封供貨商來電咨詢漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通污水密封供貨商來電咨詢漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1457155.html"><div id="f3z5lbr" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503105126953/1175882.jpg" alt="南京管道泵密封廠家供應(yīng) 客戶至上漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京管道泵密封廠家供應(yīng) 客戶至上漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/440579.html"><div id="hjpxn5j" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247286448720703/8635806.jpg" alt="南通化工泵用密封廠誠信經(jīng)營漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通化工泵用密封廠誠信經(jīng)營漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1677572.html"><div id="jtzxvrp" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298179248047/5187331.jpg" alt="蘇州多級泵密封銷售廠家貼心服務(wù) 漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州多級泵密封銷售廠家貼心服務(wù) 漣水創(chuàng)密機械供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1873437.html"><div id="7nlbzxl" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295241855469/6155112.jpg" alt="常州管道泵密封批量采購客戶至上漣水創(chuàng)密機械供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>常州管道泵密封批量采購客戶至上漣水創(chuàng)密機械供應(yīng)</p></a></li></ul></div></div></section></section><footer class="footer"><div id="vnlbznl" class="container"><p><a href="http://www.cdcfah.com/">首頁</a> | <a >企業(yè)名錄</a> | <a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a> | <a href="http://www.cdcfah.com/zx/">新聞資訊</a> | <a href="http://www.cdcfah.com/xw/">行業(yè)資訊</a> | <a href="http://www.cdcfah.com/zh/">展會信息</a> | <a href="http://www.cdcfah.com/sitemap.html">網(wǎng)站地圖</a> | </p><p><p><p>b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上海口乞食品有限公司??<a target="_blank">?<span style="white-space:normal;text-indent:24px;"><a target="_blank"><span style="font-family:" font-size:13.3333px;text-align:center;white-space:pre-wrap;caret-color:#1e6fff;background-color:#ffffff;"="">滬ICP備18002634號-32</span></a> </span><br /></a>??<span>??</span></p></p><p style="text-align:center;white-space:normal;"> <br /> </p> <p style="white-space:normal;text-align:center;"> <a target="_blank"></a> </p></p></div></footer> <footer> <a href="http://www.cdcfah.com/" title="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">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> <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 id="qgqbi"></u><noframes id="qgqbi"></noframes><menu id="qgqbi"></menu><blockquote id="qgqbi"></blockquote><track id="qgqbi"><label id="qgqbi"></label></track><tbody id="qgqbi"></tbody><legend id="qgqbi"></legend><th id="qgqbi"><button id="qgqbi"></button></th><listing id="qgqbi"><rt id="qgqbi"></rt></listing><sup id="qgqbi"><dd id="qgqbi"><tbody id="qgqbi"></tbody></dd></sup><menu id="qgqbi"><xmp id="qgqbi"></xmp></menu><fieldset id="qgqbi"><acronym id="qgqbi"></acronym></fieldset><wbr id="qgqbi"><mark id="qgqbi"><strong id="qgqbi"></strong></mark></wbr><tbody id="qgqbi"><small id="qgqbi"></small></tbody><label id="qgqbi"><tfoot id="qgqbi"></tfoot></label><div id="qgqbi"><th id="qgqbi"><object id="qgqbi"></object></th></div><listing id="qgqbi"></listing><source id="qgqbi"><ins id="qgqbi"></ins></source><noframes id="qgqbi"></noframes><noscript id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"></tt></strike></noscript><strike id="qgqbi"><rp id="qgqbi"></rp></strike><dl id="qgqbi"></dl><th id="qgqbi"></th><acronym id="qgqbi"></acronym><center id="qgqbi"><input id="qgqbi"><div id="qgqbi"><th id="qgqbi"></th></div></input></center><label id="qgqbi"></label><tr id="qgqbi"><label id="qgqbi"><center id="qgqbi"></center></label></tr><menuitem id="qgqbi"><em id="qgqbi"><legend id="qgqbi"></legend></em></menuitem><pre id="qgqbi"></pre><fieldset id="qgqbi"><address id="qgqbi"><abbr id="qgqbi"><dl id="qgqbi"></dl></abbr></address></fieldset><sup id="qgqbi"><form id="qgqbi"></form></sup><form id="qgqbi"></form> <form id="qgqbi"></form><center id="qgqbi"><rp id="qgqbi"></rp></center><code id="qgqbi"></code><option id="qgqbi"><i id="qgqbi"><tr id="qgqbi"></tr></i></option><address id="qgqbi"></address><pre id="qgqbi"></pre><wbr id="qgqbi"></wbr><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"></bdo></delect></dl><table id="qgqbi"><p id="qgqbi"></p></table><label id="qgqbi"><xmp id="qgqbi"><noscript id="qgqbi"><dl id="qgqbi"></dl></noscript></xmp></label><cite id="qgqbi"></cite><acronym id="qgqbi"><object id="qgqbi"><big id="qgqbi"></big></object></acronym><rp id="qgqbi"></rp><tt id="qgqbi"></tt><output id="qgqbi"></output><table id="qgqbi"><p id="qgqbi"><ruby id="qgqbi"></ruby></p></table><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><u id="qgqbi"></u><bdo id="qgqbi"><tr id="qgqbi"><dfn id="qgqbi"></dfn></tr></bdo><strike id="qgqbi"><font id="qgqbi"></font></strike><s id="qgqbi"></s><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"><pre id="qgqbi"></pre></code></samp></acronym><cite id="qgqbi"></cite><form id="qgqbi"><dl id="qgqbi"><pre id="qgqbi"><label id="qgqbi"></label></pre></dl></form><center id="qgqbi"><rp id="qgqbi"></rp></center><font id="qgqbi"></font><menu id="qgqbi"></menu><small id="qgqbi"><strong id="qgqbi"><sup id="qgqbi"><form id="qgqbi"></form></sup></strong></small><label id="qgqbi"><tfoot id="qgqbi"><em id="qgqbi"></em></tfoot></label><optgroup id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></optgroup><label id="qgqbi"></label><meter id="qgqbi"><noframes id="qgqbi"><i id="qgqbi"><ins id="qgqbi"></ins></i></noframes></meter><kbd id="qgqbi"></kbd><b id="qgqbi"></b><dl id="qgqbi"><delect id="qgqbi"><th id="qgqbi"><span id="qgqbi"></span></th></delect></dl><font id="qgqbi"></font><small id="qgqbi"></small><mark id="qgqbi"></mark><del id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></del><dd id="qgqbi"><ruby id="qgqbi"><menu id="qgqbi"></menu></ruby></dd><th id="qgqbi"><em id="qgqbi"></em></th><abbr id="qgqbi"></abbr><span id="qgqbi"><kbd id="qgqbi"><dfn id="qgqbi"><sub id="qgqbi"></sub></dfn></kbd></span><ins id="qgqbi"></ins><s id="qgqbi"><progress id="qgqbi"></progress></s><th id="qgqbi"></th><bdo id="qgqbi"></bdo><blockquote id="qgqbi"></blockquote><b id="qgqbi"></b><nav id="qgqbi"><div id="qgqbi"></div></nav> <meter id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></meter><tfoot id="qgqbi"></tfoot><big id="qgqbi"><pre id="qgqbi"><s id="qgqbi"></s></pre></big><small id="qgqbi"></small><table id="qgqbi"><td id="qgqbi"><sup id="qgqbi"></sup></td></table><form id="qgqbi"><tr id="qgqbi"></tr></form><tr id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></tr><ul id="qgqbi"></ul><center id="qgqbi"><optgroup id="qgqbi"><div id="qgqbi"></div></optgroup></center><rp id="qgqbi"><input id="qgqbi"><blockquote id="qgqbi"><th id="qgqbi"></th></blockquote></input></rp><tbody id="qgqbi"></tbody><form id="qgqbi"><u id="qgqbi"><fieldset id="qgqbi"></fieldset></u></form><rp id="qgqbi"></rp><b id="qgqbi"><small id="qgqbi"></small></b><dd id="qgqbi"></dd><kbd id="qgqbi"></kbd><code id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"></ul></pre></code><strong id="qgqbi"></strong><cite id="qgqbi"><sub id="qgqbi"></sub></cite><object id="qgqbi"></object><dfn id="qgqbi"></dfn><pre id="qgqbi"></pre><xmp id="qgqbi"></xmp><pre id="qgqbi"></pre><sup id="qgqbi"><form id="qgqbi"><cite id="qgqbi"></cite></form></sup><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><input id="qgqbi"></input><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"></code></samp></acronym><nobr id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"><strong id="qgqbi"></strong></ul></pre></nobr><menuitem id="qgqbi"><em id="qgqbi"><wbr id="qgqbi"><mark id="qgqbi"></mark></wbr></em></menuitem><dl id="qgqbi"></dl><rp id="qgqbi"><input id="qgqbi"><div id="qgqbi"></div></input></rp><div id="qgqbi"><button id="qgqbi"><pre id="qgqbi"><meter id="qgqbi"></meter></pre></button></div><address id="qgqbi"></address><thead id="qgqbi"><abbr id="qgqbi"><sup id="qgqbi"></sup></abbr></thead><em id="qgqbi"></em><ul id="qgqbi"><listing id="qgqbi"><wbr id="qgqbi"></wbr></listing></ul><listing id="qgqbi"></listing><wbr id="qgqbi"></wbr><thead id="qgqbi"><abbr id="qgqbi"><strike id="qgqbi"></strike></abbr></thead><menuitem id="qgqbi"></menuitem><pre id="qgqbi"></pre><pre id="qgqbi"></pre><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"><span id="qgqbi"></span></bdo></delect></dl><ruby id="qgqbi"></ruby><pre id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"><i id="qgqbi"></i></tt></strike></pre><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset><cite id="qgqbi"><sub id="qgqbi"></sub></cite><optgroup id="qgqbi"></optgroup><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset></div> <div class="friend-links"> <a href="http://www.bjcldhs.com">亚洲另类在线欧美制服</a> <a href="http://www.ahlxmyzz.com">色七七在线综合视频</a> <a href="http://www.junzishuo.com">亚洲中文字幕久久精品91</a> <a href="http://www.yhzblp.com">国产精品自在在线免费</a> <a href="http://www.zwlkg.com">久久国产乱子伦精品免费午夜</a> </div> </footer> <script> (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script> </body><div id="dtr5d" class="pl_css_ganrao" style="display: none;"><big id="dtr5d"><optgroup id="dtr5d"></optgroup></big><dfn id="dtr5d"><var id="dtr5d"></var></dfn><var id="dtr5d"><form id="dtr5d"></form></var><b id="dtr5d"><font id="dtr5d"></font></b><address id="dtr5d"><ruby id="dtr5d"></ruby></address><acronym id="dtr5d"><tt id="dtr5d"></tt></acronym><listing id="dtr5d"><p id="dtr5d"></p></listing><ruby id="dtr5d"><strong id="dtr5d"></strong></ruby><var id="dtr5d"><thead id="dtr5d"></thead></var><pre id="dtr5d"><b id="dtr5d"></b></pre><legend id="dtr5d"><ruby id="dtr5d"></ruby></legend><nobr id="dtr5d"><acronym id="dtr5d"></acronym></nobr><pre id="dtr5d"><pre id="dtr5d"></pre></pre><var id="dtr5d"><mark id="dtr5d"></mark></var><ol id="dtr5d"><font id="dtr5d"></font></ol><nobr id="dtr5d"><progress id="dtr5d"></progress></nobr><menuitem id="dtr5d"><nobr id="dtr5d"></nobr></menuitem><ruby id="dtr5d"><optgroup id="dtr5d"></optgroup></ruby><sup id="dtr5d"><pre id="dtr5d"></pre></sup><p id="dtr5d"><form id="dtr5d"></form></p><thead id="dtr5d"><video id="dtr5d"></video></thead><dfn id="dtr5d"><var id="dtr5d"></var></dfn><var id="dtr5d"><form id="dtr5d"></form></var><nobr id="dtr5d"><acronym id="dtr5d"></acronym></nobr><strong id="dtr5d"><mark id="dtr5d"></mark></strong><track id="dtr5d"><nobr id="dtr5d"></nobr></track><strong id="dtr5d"><ol id="dtr5d"></ol></strong><menuitem id="dtr5d"><nobr id="dtr5d"></nobr></menuitem><pre id="dtr5d"><p id="dtr5d"></p></pre><pre id="dtr5d"><b id="dtr5d"></b></pre><ruby id="dtr5d"><optgroup id="dtr5d"></optgroup></ruby><dfn id="dtr5d"><tt id="dtr5d"></tt></dfn><strong id="dtr5d"><address id="dtr5d"></address></strong><legend id="dtr5d"><ruby id="dtr5d"></ruby></legend><dfn id="dtr5d"><pre id="dtr5d"></pre></dfn><mark id="dtr5d"><font id="dtr5d"></font></mark><ol id="dtr5d"><strong id="dtr5d"></strong></ol><thead id="dtr5d"><b id="dtr5d"></b></thead><legend id="dtr5d"><tt id="dtr5d"></tt></legend><form id="dtr5d"><output id="dtr5d"></output></form><pre id="dtr5d"><pre id="dtr5d"></pre></pre><strong id="dtr5d"><listing id="dtr5d"></listing></strong><dfn id="dtr5d"><big id="dtr5d"></big></dfn><pre id="dtr5d"><video id="dtr5d"></video></pre><pre id="dtr5d"><mark id="dtr5d"></mark></pre><mark id="dtr5d"><listing id="dtr5d"></listing></mark><video id="dtr5d"><listing id="dtr5d"></listing></video><pre id="dtr5d"><big id="dtr5d"></big></pre><sup id="dtr5d"><big id="dtr5d"></big></sup><optgroup id="dtr5d"><address id="dtr5d"></address></optgroup><b id="dtr5d"><pre id="dtr5d"></pre></b><thead id="dtr5d"><optgroup id="dtr5d"></optgroup></thead><listing id="dtr5d"><var id="dtr5d"></var></listing><progress id="dtr5d"><address id="dtr5d"></address></progress><u id="dtr5d"><legend id="dtr5d"></legend></u><strong id="dtr5d"><form id="dtr5d"></form></strong><ol id="dtr5d"><output id="dtr5d"></output></ol><output id="dtr5d"><track id="dtr5d"></track></output><p id="dtr5d"><form id="dtr5d"></form></p><thead id="dtr5d"><optgroup id="dtr5d"></optgroup></thead><optgroup id="dtr5d"><output id="dtr5d"></output></optgroup><pre id="dtr5d"><p id="dtr5d"></p></pre><pre id="dtr5d"><big id="dtr5d"></big></pre><mark id="dtr5d"><acronym id="dtr5d"></acronym></mark><style id="dtr5d"><acronym id="dtr5d"></acronym></style><p id="dtr5d"><mark id="dtr5d"></mark></p><ol id="dtr5d"><optgroup id="dtr5d"></optgroup></ol><menuitem id="dtr5d"><pre id="dtr5d"></pre></menuitem><tt id="dtr5d"><ruby id="dtr5d"></ruby></tt><ruby id="dtr5d"><strong id="dtr5d"></strong></ruby><ol id="dtr5d"><output id="dtr5d"></output></ol><mark id="dtr5d"><pre id="dtr5d"></pre></mark><menuitem id="dtr5d"><big id="dtr5d"></big></menuitem><ol id="dtr5d"><output id="dtr5d"></output></ol><listing id="dtr5d"><var id="dtr5d"></var></listing><mark id="dtr5d"><listing id="dtr5d"></listing></mark><p id="dtr5d"><nobr id="dtr5d"></nobr></p><thead id="dtr5d"><form id="dtr5d"></form></thead><strong id="dtr5d"><style id="dtr5d"></style></strong><optgroup id="dtr5d"><legend id="dtr5d"></legend></optgroup><progress id="dtr5d"><track id="dtr5d"></track></progress><progress id="dtr5d"><address id="dtr5d"></address></progress><big id="dtr5d"><b id="dtr5d"></b></big><legend id="dtr5d"><legend id="dtr5d"></legend></legend><legend id="dtr5d"><big id="dtr5d"></big></legend><output id="dtr5d"><address id="dtr5d"></address></output><tt id="dtr5d"><nobr id="dtr5d"></nobr></tt><progress id="dtr5d"><address id="dtr5d"></address></progress><u id="dtr5d"><strong id="dtr5d"></strong></u><dfn id="dtr5d"><pre id="dtr5d"></pre></dfn><b id="dtr5d"><listing id="dtr5d"></listing></b><dfn id="dtr5d"><track id="dtr5d"></track></dfn><dfn id="dtr5d"><pre id="dtr5d"></pre></dfn><video id="dtr5d"><sup id="dtr5d"></sup></video><legend id="dtr5d"><legend id="dtr5d"></legend></legend><ol id="dtr5d"><legend id="dtr5d"></legend></ol><video id="dtr5d"><listing id="dtr5d"></listing></video><optgroup id="dtr5d"><listing id="dtr5d"></listing></optgroup><form id="dtr5d"><listing id="dtr5d"></listing></form><var id="dtr5d"><nobr id="dtr5d"></nobr></var></div></html>