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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_famenti/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenti_hxfcv/">換向閥</a>?寶德閥門價格廈門市冠來機電設備供應</p><div id="bpftj9v" class="leftbox clearfix"><h1>寶德閥門價格廈門市冠來機電設備供應</h1><div id="djhn9xn" class="proBig"><div id="pn9rxn7" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/2/14/636976730608569522_baomeng202_1467282.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="f9p7lrp" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/2/14/636976730608569522_baomeng202_1467282.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="trvbdh7" 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>福建省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>寶德閥門價格</p><p><span>***更新：</span>2020-06-22 05:18:19</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="djzhn7v" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">廈門市冠來機電設備有限公司</a></p><p><span>聯(lián)系人：</span>趙先生</p><p><span>郵箱: </span>173913050@qq.com</p><p><span>電話: </span>13806058973</p><p><span>傳真: </span>0592_7267158</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0592-7267158</p><p><span>地址: </span>穆厝社120號A棟125單元</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="znlljpn" class="page-proshow02"><p class="title">詳細說明</p><div id="p9hj9nf" class="box"><p><p style="text-indent:25px">鍛鋼閘閥按密封面配置可分為楔式閘板式鍛鋼閘閥和平行閘板式鍛鋼閘閥。楔式閘板式鍛鋼閘閥又可分為:單閘板式、雙閘板式和彈性閘板式；平行閘板式鍛鋼閘閥可分為單閘板式和雙閘板式。 1）平行式鍛鋼閘閥：密封面與垂直中心線平行，即兩個密封面互相平行的鍛鋼閘閥。在平行式鍛鋼閘閥中，以帶推力楔塊的結(jié)構(gòu)較為常為常見，寶德閥門價格，既在兩閘板中間有雙面推力楔塊，這種鍛鋼閘閥適用于低壓中小口徑（DN40—300mm）鍛鋼閘閥。也有在兩閘板間帶有彈簧的，彈簧能產(chǎn)生予緊力，有利于閘板的密封。 2）楔式鍛鋼閘閥：密封面與垂直中心線成某種角度，即兩個密封面成楔形的鍛鋼閘閥。密封面的傾斜角度一般有2°52′，3°30′，5°，8°，10°等，角度的大小主要取決于介質(zhì)溫度的高低。般工作溫度愈高，所取角度應愈大，以減小溫度變化時發(fā)生楔住的可能性。在楔式鍛鋼閘閥中，又有單閘板，雙閘板和彈性閘板之分。單閘板楔式鍛鋼閘閥，結(jié)構(gòu)簡單，寶德閥門價格，寶德閥門價格，使用可靠，但對密封面角度的精度要求較高，加工和維修較困難，溫度變化時楔住的可能性很大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寶德閥門價格" src="http://tyunfile.71360.com/UpLoadFile/2019/7/2/14/636976730608569522_baomeng202_1467282.jpg"></div><p style="text-indent:25px">二片式球閥是由兩片閥體夾住球體固定的，密封效果比一片式球閥好，維修相對復雜，中間的螺栓松緊度很關(guān)鍵，關(guān)系到是否泄漏。二片式球閥具有以下優(yōu)點： 1、啟閉無摩擦：這一功能完全解決了傳統(tǒng)閥門因密封面之間相互摩擦而影響密封的問題。 2、上裝式結(jié)構(gòu)：對裝在管道上的閥門可直接在線檢查與維修，能有效減少裝置停車，降低成本。 3、單閥座設計：去除了閥門中腔介質(zhì)因異常升壓而影響使用安全的問題。 4、低扭矩設計：特殊結(jié)構(gòu)設計的閥桿，只需配一個小手把閥門就能輕松啟閉。 5、楔形密封結(jié)構(gòu)：閥門是靠閥桿提供的機械力，將球楔壓到閥座上而密封，使閥門的密封性不受管線壓差變化的影響，在各種工況下密封性能都有可靠保證。 6、密封面的自清潔結(jié)構(gòu)：當球體傾離閥座時，管線中的流體沿球體密封面成360°均勻通過，不僅去除了高速流體對閥座局部的沖刷，也沖走了密封面上的聚積物，達到自清潔的目的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寶德閥門價格" src="http://tyunfile.71360.com/UpLoadFile/2019/7/2/14/636976730609037291_baomeng202_3889613.jpg"></div><p style="text-indent:25px">在眾多的閥門產(chǎn)品中，閘閥和蝶閥都是很是常用的閥門型號。然而，很多用戶在選型時因不知道閘閥和蝶閥的區(qū)別是什么，而不知道如何選擇這兩種閥門。其實吧，從定義上區(qū)分；閘閥是一種較為常見的啟閉閥，利用閘板(即啟閉件，在閘板中啟閉件稱為閘板或閘門，閘座稱為閘板座)來接通(全開)或截斷(全關(guān))管路中的介質(zhì)。它不允許作為截流用，使用中應避免將閘板微量開啟，因高速流動的介質(zhì)的沖蝕會加速密封面的損壞。閘板在垂直于閘門座通道中心線的片面作為升降運動，像閘門一樣截斷管路中的介質(zhì)，故稱做閘閥。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/345764.html</p></div></div></div></div></div><div id="ltj79p7" class="page-right twoColRt"><div id="jpnl7x7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rxvdtpn" 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