南通單級泵密封規(guī)格型號服務為先漣水創(chuàng)密機械供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="化工泵(不銹鋼材質(zhì))用于石油，化工，冶金，合成纖維，制藥，食品，合成纖維等部門用于輸送堿性腐蝕介質(zhì)；化工泵(氟塑料材質(zhì))使用于輸送任何酸性，堿性腐蝕性介質(zhì)；化工泵(鑄鐵材質(zhì))用于工業(yè)，城市給水，南通單級泵密封規(guī)格型號，排水，亦可用于農(nóng)田，果"><meta name="keywords" content="南通單級泵密封規(guī)格型號,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="r6yut" class="pl_css_ganrao" style="display: none;"><sub id="r6yut"><tbody id="r6yut"><cite id="r6yut"></cite></tbody></sub><u id="r6yut"><pre id="r6yut"><dfn id="r6yut"><legend id="r6yut"></legend></dfn></pre></u><delect id="r6yut"><listing id="r6yut"><rt id="r6yut"><kbd id="r6yut"></kbd></rt></listing></delect><form id="r6yut"><legend id="r6yut"><sub id="r6yut"><optgroup id="r6yut"></optgroup></sub></legend></form><i id="r6yut"><menuitem id="r6yut"><b id="r6yut"><legend id="r6yut"></legend></b></menuitem></i><dfn id="r6yut"></dfn><dd id="r6yut"><ruby id="r6yut"><ol id="r6yut"></ol></ruby></dd><ruby id="r6yut"><tfoot id="r6yut"><dl id="r6yut"></dl></tfoot></ruby><ol id="r6yut"><b id="r6yut"><track id="r6yut"></track></b></ol><blockquote id="r6yut"></blockquote><button id="r6yut"><rt id="r6yut"><meter id="r6yut"></meter></rt></button><pre id="r6yut"><optgroup id="r6yut"><cite id="r6yut"></cite></optgroup></pre><fieldset id="r6yut"></fieldset><big id="r6yut"><track id="r6yut"><label id="r6yut"></label></track></big><sup id="r6yut"></sup><sup id="r6yut"><dd id="r6yut"><acronym id="r6yut"></acronym></dd></sup><optgroup id="r6yut"><xmp id="r6yut"><center id="r6yut"></center></xmp></optgroup><pre id="r6yut"><strike id="r6yut"><tt id="r6yut"></tt></strike></pre><p id="r6yut"></p><tbody id="r6yut"><small id="r6yut"><p id="r6yut"><pre id="r6yut"></pre></p></small></tbody><track id="r6yut"><pre id="r6yut"><progress id="r6yut"></progress></pre></track><dl id="r6yut"><delect id="r6yut"><bdo id="r6yut"><span id="r6yut"></span></bdo></delect></dl><ins id="r6yut"><blockquote id="r6yut"></blockquote></ins><sup id="r6yut"></sup><output id="r6yut"><table id="r6yut"><dd id="r6yut"><ruby id="r6yut"></ruby></dd></table></output><tbody id="r6yut"><menuitem id="r6yut"><b id="r6yut"></b></menuitem></tbody><strong id="r6yut"></strong><acronym id="r6yut"></acronym><em id="r6yut"><style id="r6yut"></style></em><strong id="r6yut"></strong><label id="r6yut"><delect id="r6yut"><button id="r6yut"></button></delect></label><address id="r6yut"></address><option id="r6yut"><pre id="r6yut"><menuitem id="r6yut"></menuitem></pre></option><dfn id="r6yut"></dfn><dd id="r6yut"><ruby id="r6yut"></ruby></dd><address id="r6yut"></address><b id="r6yut"></b><strike id="r6yut"></strike><label id="r6yut"><xmp id="r6yut"></xmp></label><strong id="r6yut"></strong><table id="r6yut"></table><nobr id="r6yut"><pre id="r6yut"></pre></nobr><samp id="r6yut"></samp><tr id="r6yut"></tr><small id="r6yut"><p id="r6yut"></p></small><strong id="r6yut"></strong><menuitem id="r6yut"></menuitem><em id="r6yut"><style id="r6yut"></style></em><em id="r6yut"><style id="r6yut"><kbd id="r6yut"></kbd></style></em></div><header class="header container"><span id="efvwov7" 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="fidfhds" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務平臺 </span><div id="dwhz83o" class="searchbox"><div id="88mheqp" class="searchLt"><div id="v3u8vov" 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="e98ynpm" class="clearfix searchWrap"><div id="zkwoqxz" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="fd7acjl" 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</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="3znk2nu" class="twoCol"><div id="be8ovxu" 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</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設備</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>?南通單級泵密封規(guī)格型號服務為先漣水創(chuàng)密機械供應</p><div id="zh8pr2a" class="leftbox clearfix"><h1>南通單級泵密封規(guī)格型號服務為先漣水創(chuàng)密機械供應</h1><div id="t3amedk" class="proBig"><div id="8xu3qip" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293837011719/358206.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nlimd33" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293837011719/358206.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="csol7g3" 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)品關鍵詞：</span>南通單級泵密封規(guī)格型號,封</p><p><span>***更新：</span>2020-11-01 11:18:38</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="drogicy" 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="3bdfmtf" class="page-proshow02"><p class="title">詳細說明</p><div id="3npwov8" class="box"><p><p> 化工泵(不銹鋼材質(zhì))用于石油，化工，冶金，合成纖維，制藥，食品，合成纖維等部門用于輸送堿性腐蝕介質(zhì)；化工泵(氟塑料材質(zhì))使用于輸送任何酸性，堿性腐蝕性介質(zhì)；化工泵(鑄鐵材質(zhì))用于工業(yè)，城市給水，南通單級泵密封規(guī)格型號，排水，亦可用于農(nóng)田，果園排灌，供輸送清水或物理及化學性質(zhì)類似清水的其他液體之用?；け妹芊庑问街饕?油封密封，南通單級泵密封規(guī)格型號，墊片密封，螺紋密封，迷宮密封，填料密封和動力密封。 </p> <p> 化工泵在與運轉(zhuǎn)時，副葉輪所產(chǎn)生的壓頭平衡了主葉輪出口高壓液體，從而實現(xiàn)密封。停車時，副葉輪不起作用，因此必須同時配備停車密封裝置解決停車時可能產(chǎn)生的化工泵泄漏。副葉輪密封結構簡單，密封可靠，使用壽命長，化工泵運轉(zhuǎn)中可實現(xiàn)滴水不漏，南通單級泵密封規(guī)格型號，因此在化工泵輸送含雜質(zhì)介質(zhì)的泵上經(jīng)常采用。機械密封的輔助沖洗系統(tǒng)是非常重要的，它可以有效的保護密封面，起到冷卻、潤滑、沖走雜物等作用。南通單級泵密封規(guī)格型號</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通單級泵密封規(guī)格型號,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293837011719/358206.jpg"></div><p> 平衡和非平衡式密封 </p> <p> 機械密封的平衡對接觸面的密封壓力有很大影響。這一密封壓力取決于密封本身的有效截面以及填料盒內(nèi)的壓力。 </p> <p> <span style="font-size:12px;"> 非平衡型密封的旋轉(zhuǎn)面相反一側(cè)的截面完全暴露于填料盒的壓力范圍之下，這種情況會使密封面之間產(chǎn)生很高的密封壓力，從而會使工作溫度提高，加快磨損速度。在高溫工作條件下或液體具有較大腐蝕性和磨擦性的情況下，會極大降低機械密封的使用壽命。</span> </p> <p> <span style="font-size:12px;"> 對機械密封加以平衡，可降低密封壓力，延長密封的使用壽命。一般采用帶有臺階的主軸和軸套，降低旋轉(zhuǎn)面的有效截面，就可達到上述目的。不過千萬別將凈密封壓力調(diào)節(jié)到接近零的水平，因為這樣做的結果可能會造成密封面之間的工作狀況不穩(wěn)定，并可能會因突然的變故而將密封吹開。</span> </p> <p> <span style="font-size:12px;"> 解決這些密封問題的答案也許是采用非平衡式密封，對于某些服務來說，也許采用非平衡式密封能達到更好的效果。例如，在某些應用領域，與密封的使用壽命相比，也許更強調(diào)對液體泄漏造成的安全性問題。在這種情況下，對密封的選用也許可理解為更希望選擇具有較高的密封壓力。同樣，在選用較冷液體的密封時，操作溫度的增加也許是微不足道的。</span> </p> <p> <br /> 常州多級泵密封廠家推薦如果密封無法直接裝入到預定的位置，就需要對相關尺寸進行調(diào)整，避免硬裝現(xiàn)象的發(fā)生。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通單級泵密封規(guī)格型號,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295062412109/3548299.jpg"></div><p> 化工泵密封墊片選擇化工泵所抽取的介質(zhì)有腐蝕、揮發(fā)、等危險性的存在，對泵體的密封性能要求，要比其他種類的泵高很多。化工泵常用的密封方法，有墊片密封法。墊片是離心泵靜密封的基本元件，使用范圍非常***。墊片的選型主要根據(jù)化工泵輸送介質(zhì)、溫度、壓力和腐蝕性等因素決定。 </p> <p> 當化工泵輸送介質(zhì)，對溫度和壓力不高時，一般選用非金屬密封墊片； </p> <p> 當化工泵輸送介質(zhì)為中壓高溫時，選用非金屬與金屬組合墊片。 </p> <p> 非金屬墊片在泵上應用**為普遍，其材料一般為紙、橡膠和聚四氟乙烯。當溫度不超過120℃，壓力在1.0Mpa以下時，一般選用青殼紙或模造紙墊片。 </p> <p> 如果當化工泵輸送介質(zhì)為油，溫度在-30～110℃時，一般選用耐老化性能較好的丁晴橡膠。當當化工泵輸送介質(zhì)，在-50～200℃時，選用氟橡膠更為合適。因為它除了耐油耐熱外，機械強度大也是其主要特征。 </p> <p> 在化工泵中由于所輸送介質(zhì)具有腐蝕性，所以一般選用聚四氟乙烯做為墊片材料。隨著化工泵使用的領域越來越多次，所輸送介質(zhì)種類也越來越多，因此在選用墊片材質(zhì)時應查閱相關資料或通過實驗后再做出正確選擇。 </p> <p> <br /> </p><p> 水泵質(zhì)量跟機械密封的選擇安裝很關鍵。 </p> <p> 機械密封件屬于精密、結構較為復雜的機械基礎元件之一，是各種泵類設備的關鍵部件。對于機泵，超過50%機率的泄露問題產(chǎn)生原因往往就在機械密封上！ </p> <p> 機械密封按工作條件和介質(zhì)性質(zhì)的不同，有耐高溫、耐低溫機械密封，耐高壓、耐腐蝕機械密封，耐顆粒介質(zhì)機械密封和適應易汽化的輕質(zhì)烴介質(zhì)的機械密封等，應根據(jù)不同的用處選取不同結構型式和材料的機械密封。 </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> <p> 根據(jù)密封腔體壓力，確定密封結構采用平衡型或非平衡型，單端面或雙端面等。 </p> <p> 根據(jù)工作速度，確定采用旋轉(zhuǎn)式或靜止式，流體動壓式或非接觸型。 </p> <p> 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、冷卻等機械密封循環(huán)保護系統(tǒng)等。 </p> <p> 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> 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性，對油的相容性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通單級泵密封規(guī)格型號,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247266600576172/7557626.jpg"></div><p> 泵用機械密封是精密的部件，制造精度及安裝精度要求都很嚴格，如果裝配不當就會影響密封性能，要正確安裝必須注意以下幾點： </p> <p> 泵用機械密封的冷卻和沖洗 </p> <p> 第一種冷卻形式由水泵的出口或高壓端，將輸送的干凈介質(zhì)，直接沖洗密封端面，然后進入泵腔內(nèi)，通過介質(zhì)的不斷循環(huán)，將磨擦端面的的磨擦熱帶走達到冷卻的效果。 </p> <p> 第二種冷卻方式在第一種冷卻形式的基礎上在靜環(huán)的背部增加一冷卻水套，冷卻效果有所改善，并可以沖洗，收集泄露出來的液體。當密封介質(zhì)溫度＞150℃時除了在冷卻水套中通過冷卻水及靜環(huán)背部冷卻外，應采取強制冷卻措施。即從泵出口的干凈介質(zhì)應預先經(jīng)熱交換器冷卻至50℃時。再進入密封腔冷卻沖洗，該形式是冷卻效果**良好的一種。 </p> <p> 如介質(zhì)中含有顆?；螂s質(zhì)，必須采用過濾措施，把常溫干凈沖洗液輸入密封腔內(nèi)。在實際安裝過程中，應該做好對裝配圖的核對工作，并檢各種零件表面是否出現(xiàn)了劃痕、缺點等情況。蘇州電動泵密封銷售價格</p><p style="text-indent:25px">O形密封圈安裝在溝槽和被密封面之間，有一定壓縮量，產(chǎn)生的反彈力給予光滑面和溝槽底面初始的壓縮應力。南通單級泵密封規(guī)格型號</p><p> 液態(tài)烴介質(zhì)是一種低溫液化氣體,具有低沸點、低黏度、高蒸氣壓等特性。在這種工況下使用的機械密封，密封件材料會出現(xiàn)冷脆性，大氣中的水氣會在密封裝置的大氣側(cè)面上凍結，摩擦副端面液膜容易氣化等。尤其是當介質(zhì)稍有泄漏，漏出的液態(tài)烴在大氣側(cè)立即氣化，帶走大量的熱，機械密封環(huán)境溫度急劇下降，一般的密封材料，如橡膠或聚四氟乙烯普遍變脆，導致密封失效，泄漏增大。 </p> <p> <br /> </p> <p> 根據(jù)實際經(jīng)驗,使用金屬波紋管機械密封比較好,主要表現(xiàn)在用金屬波紋管和柔性石墨代替輔助密封圈,解決了密封圈材料發(fā)生冷脆而失彈及緩沖作用的問題,如用DBM型、YH604/606/609型等。在液態(tài)烴泵上使用波紋管機械密封時應注意: </p> <p> 金屬波紋管材料選用耐低溫、韌性好的Hastelloy-C(耐熱鎳基金),AM350,Carpenter20 等; </p> <p> 合理的結構設計能保證機械密封在高速運轉(zhuǎn)的情況下不破壞密封端面和波紋管組件; </p> <p> 合理的端面接觸比壓能保證機械密封的密封性能和避免過早的失效; </p> <p> 合理的摩擦副材料能保證機械密封在低溫條件下正常的摩擦性能和密封性能, 避免因磨損過快而過早的失效; 南通單級泵密封規(guī)格型號</p><p style="text-indent:25px">漣水創(chuàng)密機械制造有限公司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，是一家專業(yè)的漣水創(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的進出口業(yè)務，公司。致力于創(chuàng)造***的產(chǎn)品與服務，以誠信、敬業(yè)、進取為宗旨，以建創(chuàng)密機械制造產(chǎn)品為目標，努力打造成為同行業(yè)中具有影響力的企業(yè)。公司堅持以客戶為中心、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的進出口業(yè)務，市場為導向，重信譽，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。自公司成立以來，一直秉承“以質(zhì)量求生存，以信譽求發(fā)展”的經(jīng)營理念，始終堅持以客戶的需求和滿意為重點，為客戶提供良好的輕型密封，中型密封，重型密封，小型水泵，從而使公司不斷發(fā)展壯大。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1803243.html</p></div></div></div></div></div><div id="t782u3l" class="page-right twoColRt"><div id="r2ev2hm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="c43rdk3" 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" 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</p></a></div><div id="9skmo88" 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商務信息咨詢供應" 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商務信息咨詢供應</p></a></div><div id="kb2rtac" 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" 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</p></a></div><div id="q4qmtkr" 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="烏魯木齊市會務租車網(wǎng) 車永捷供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊市會務租車網(wǎng) 車永捷供應</p></a></div><div id="8x7sk3w" class="clear"></div></div><div id="2lpl7hz" 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="2myfcol" 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="yfwt7li" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/7933.html"><div id="celxk7q" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/7934.html"><div id="qacew8w" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/7935.html"><div id="j7dkhjv" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/9003.html"><div id="yiahj2v" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245509450722656/6042605.jpg" alt="淮安石墨密封規(guī)格型號服務為先漣水創(chuàng)密機械供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>淮安石墨密封規(guī)格型號服務為先漣水創(chuàng)密機械供應</p></a></li><li><a href="http://www.cdcfah.com/cp/9004.html"><div id="tsp2l2j" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/9394.html"><div id="xm3hjqx" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/9395.html"><div id="cwya27u" 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為先漣水創(chuàng)密機械供應" 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為先漣水創(chuàng)密機械供應</p></a></li><li><a href="http://www.cdcfah.com/cp/9396.html"><div id="bas383k" 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" 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</p></a></li></ul></div></div><div id="7yfh3da" 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="e8tac8z" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/80227.html"><div id="ih8cuwt" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/429061.html"><div id="shzrijq" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/1797928.html"><div id="tazbyk7" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/2825421.html"><div id="pqxj3vx" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/1457155.html"><div id="32bdkrd" 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客戶至上漣水創(chuàng)密機械供應" 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客戶至上漣水創(chuàng)密機械供應</p></a></li><li><a href="http://www.cdcfah.com/cp/440579.html"><div id="v23urtv" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/1677572.html"><div id="od3nkmo" 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漣水創(chuàng)密機械供應" 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漣水創(chuàng)密機械供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1873437.html"><div id="xhjqiur" 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" 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</p></a></li></ul></div></div></section></section><footer class="footer"><div id="pogy8u8" 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</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電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰??<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="b0cgn" class="pl_css_ganrao" style="display: none;"><bdo id="b0cgn"><span id="b0cgn"></span></bdo><track id="b0cgn"></track><rp id="b0cgn"><input id="b0cgn"><tt id="b0cgn"></tt></input></rp><dl id="b0cgn"></dl><dfn id="b0cgn"><code id="b0cgn"><pre id="b0cgn"><u id="b0cgn"></u></pre></code></dfn><var id="b0cgn"></var><form id="b0cgn"></form><strong id="b0cgn"></strong><thead id="b0cgn"></thead><th id="b0cgn"><rt id="b0cgn"><del id="b0cgn"><dfn id="b0cgn"></dfn></del></rt></th><th id="b0cgn"><em id="b0cgn"></em></th><ruby id="b0cgn"></ruby><object id="b0cgn"><meter id="b0cgn"></meter></object><acronym id="b0cgn"><strong id="b0cgn"></strong></acronym><legend id="b0cgn"></legend><optgroup id="b0cgn"><div id="b0cgn"><video id="b0cgn"></video></div></optgroup><form id="b0cgn"></form><button id="b0cgn"></button><em id="b0cgn"><style id="b0cgn"></style></em><sub id="b0cgn"></sub><strong id="b0cgn"></strong><label id="b0cgn"><progress id="b0cgn"><th id="b0cgn"><rt id="b0cgn"></rt></th></progress></label><dfn id="b0cgn"><td id="b0cgn"><optgroup id="b0cgn"><th id="b0cgn"></th></optgroup></td></dfn><p id="b0cgn"></p><pre id="b0cgn"><u id="b0cgn"></u></pre><dfn id="b0cgn"></dfn><abbr id="b0cgn"></abbr><th id="b0cgn"></th><dl id="b0cgn"></dl><menuitem id="b0cgn"><listing id="b0cgn"><wbr id="b0cgn"></wbr></listing></menuitem><label id="b0cgn"></label><legend id="b0cgn"></legend><pre id="b0cgn"></pre><input id="b0cgn"></input><th id="b0cgn"><span id="b0cgn"></span></th><big id="b0cgn"></big><del id="b0cgn"><dfn id="b0cgn"></dfn></del><style id="b0cgn"></style><p id="b0cgn"></p><cite id="b0cgn"><sub id="b0cgn"><input id="b0cgn"></input></sub></cite><thead id="b0cgn"></thead><form id="b0cgn"><u id="b0cgn"><thead id="b0cgn"></thead></u></form><legend id="b0cgn"></legend><dd id="b0cgn"><ruby id="b0cgn"></ruby></dd><em id="b0cgn"><style id="b0cgn"></style></em><form id="b0cgn"><u id="b0cgn"><fieldset id="b0cgn"><acronym id="b0cgn"></acronym></fieldset></u></form><i id="b0cgn"><ins id="b0cgn"><var id="b0cgn"></var></ins></i><meter id="b0cgn"></meter><s id="b0cgn"><progress id="b0cgn"><strong id="b0cgn"></strong></progress></s><form id="b0cgn"><legend id="b0cgn"><track id="b0cgn"><input id="b0cgn"></input></track></legend></form><legend id="b0cgn"></legend><output id="b0cgn"><strong id="b0cgn"></strong></output><track id="b0cgn"></track><abbr id="b0cgn"><strong id="b0cgn"></strong></abbr><bdo id="b0cgn"></bdo><sub id="b0cgn"><li id="b0cgn"><progress id="b0cgn"></progress></li></sub><meter id="b0cgn"><dfn id="b0cgn"><form id="b0cgn"></form></dfn></meter><sup id="b0cgn"></sup><em id="b0cgn"><rt id="b0cgn"><kbd id="b0cgn"></kbd></rt></em><optgroup id="b0cgn"></optgroup><abbr id="b0cgn"><strike id="b0cgn"></strike></abbr><sup id="b0cgn"></sup><abbr id="b0cgn"></abbr><strong id="b0cgn"><sup id="b0cgn"><menu id="b0cgn"></menu></sup></strong><sup id="b0cgn"><font id="b0cgn"></font></sup><dfn id="b0cgn"></dfn><blockquote id="b0cgn"><bdo id="b0cgn"><tr id="b0cgn"></tr></bdo></blockquote><bdo id="b0cgn"><span id="b0cgn"></span></bdo><form id="b0cgn"><legend id="b0cgn"></legend></form><p id="b0cgn"><pre id="b0cgn"></pre></p><cite id="b0cgn"><center id="b0cgn"></center></cite><dl id="b0cgn"><small id="b0cgn"></small></dl><dfn id="b0cgn"><sub id="b0cgn"><optgroup id="b0cgn"></optgroup></sub></dfn><style id="b0cgn"></style><label id="b0cgn"></label><ul id="b0cgn"></ul><samp id="b0cgn"><track id="b0cgn"><s id="b0cgn"><delect id="b0cgn"></delect></s></track></samp><del id="b0cgn"><cite id="b0cgn"><source id="b0cgn"></source></cite></del><em id="b0cgn"></em><table id="b0cgn"><td id="b0cgn"></td></table><dd id="b0cgn"><li id="b0cgn"><ol id="b0cgn"></ol></li></dd><tbody id="b0cgn"></tbody><var id="b0cgn"></var><big id="b0cgn"></big><tr id="b0cgn"></tr><form id="b0cgn"><optgroup id="b0cgn"></optgroup></form><acronym id="b0cgn"><samp id="b0cgn"><code id="b0cgn"><pre id="b0cgn"></pre></code></samp></acronym><li id="b0cgn"><tfoot id="b0cgn"><em id="b0cgn"><style id="b0cgn"></style></em></tfoot></li><track id="b0cgn"><pre id="b0cgn"><delect id="b0cgn"><strong id="b0cgn"></strong></delect></pre></track><del id="b0cgn"><nobr id="b0cgn"><form id="b0cgn"><u id="b0cgn"></u></form></nobr></del><thead id="b0cgn"></thead><b id="b0cgn"></b><object id="b0cgn"><meter id="b0cgn"></meter></object><menuitem id="b0cgn"><em id="b0cgn"><wbr id="b0cgn"><mark id="b0cgn"></mark></wbr></em></menuitem><listing id="b0cgn"></listing><em id="b0cgn"><span id="b0cgn"></span></em><td id="b0cgn"><li id="b0cgn"><label id="b0cgn"><em id="b0cgn"></em></label></li></td><listing id="b0cgn"></listing></div></html>