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id="xhebiz2" class="proBig"><div id="s3ya8qu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jingzhou/637279440662070312/3610928.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8lamovc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jingzhou/637279440662070312/3610928.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xl2qnk3" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>杭州碳鋼刀閘閥</p><p><span>***更新：</span>2020-06-18 17:28:29</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="wq4egy7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">浙江京州閥門制造有限公司</a></p><p><span>聯(lián)系人：</span>張和榮</p><p><span>郵箱: </span>maggiez@jcs-valve.com</p><p><span>電話: </span>15888733099</p><p><span>傳真: </span>0577_67351896</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0577-67359296</p><p><span>地址: </span>甌北街道五星工業(yè)區(qū)上玉路</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="crgsur4" class="page-proshow02"><p class="title">詳細說明</p><div id="x8wyvs4" class="box"><p><p style="text-indent:25px">刀閘閥執(zhí)行機構(gòu)使用液體、氣體、電力或其它能源并通過電機、氣缸或其它裝置將其轉(zhuǎn)化成驅(qū)動作用。不銹鋼刀閘閥的廣泛應(yīng)用是源于其自身特點，首先它的密封效果好，U型密封墊具有良好的彈性；其次，杭州碳鋼刀閘閥，它的全通徑設(shè)計，通過能力強；再次，它的閘斷效果好，杭州碳鋼刀閘閥、能有效解決含有塊狀、顆粒及纖維介質(zhì)閘斷后的泄漏現(xiàn)象；還因為它的維修方便，無須拆下閥門即可更換閥門的密封。不銹鋼刀閘閥閘板有兩個密封面,常用的模式閘板閥的兩個密封面形成楔形、楔形角隨閥門參數(shù)而異,通常為50，杭州碳鋼刀閘閥,楔式刀型閘閥的閘板可以做成一個整體，叫做剛性閘板；也可以做成能產(chǎn)生微量變形的閘板,以改善其工藝性,彌補密封面角度在加工過程中產(chǎn)生的偏差。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州碳鋼刀閘閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279440662070312/3610928.png"></div><p style="text-indent:25px">根據(jù)密封元件的形式，常常把刀型閘閥分成幾種不同的類型，如：楔式刀型閘閥、平行式刀型閘閥、平行雙閘板刀型閘閥、楔式雙閘板閘等。常用的形式是楔式刀型閘閥和平行式刀型閘閥。這種類型的閥門的作用是只允許介質(zhì)向一個方向流動，而且阻止方向流動。通常這種閥門是自動工作的，在一個方向流動的流體壓力作用下，閥瓣打開；流體反方向流動時，由流體壓力和閥瓣的自重合閥瓣作用于閥座，從而切斷流動。其中止回閥就屬于這種類型的閥門，它包括旋啟式止回閥和升降式止回閥。旋啟式止回閥有一介鉸鏈機構(gòu)，還有一個像門一樣的閥瓣自由地靠在傾斜的閥座表面上。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州碳鋼刀閘閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279439765820312/7096800.png"></div><p style="text-indent:25px">刀閘閥使用過程中可能會出現(xiàn)的幾點疑問？什么直行程調(diào)節(jié)閥防堵性能差，角行程閥防堵性能好？直行程閥閥芯是垂直節(jié)流，而介質(zhì)是水平流進流出，閥腔內(nèi)流道必然轉(zhuǎn)彎倒拐，使閥的流路變得相當復(fù)雜(形狀如倒“S”型)。這樣，存在許多死區(qū)，為介質(zhì)的沉淀提供了空間，長此以往，造成堵塞。角行程閥節(jié)流的方向就是水平方向，介質(zhì)水平流進，水平流出，容易把不干凈介質(zhì)帶走，同時流路簡單，介質(zhì)沉淀的空間也很少，所以角行程閥防堵性能好。為什么直行程調(diào)節(jié)閥閥桿較細？它涉及一個簡單的機械原理：滑動摩擦大、滾動摩擦小。直行程閥的閥桿上下運動，填料稍壓緊一點，它就會把閥桿包得很緊，產(chǎn)生較大的回差。為此，閥桿設(shè)計得非常細小，填料又常用摩擦系數(shù)小的四氟填料，以便減少回差，但由此派出的問題是閥桿細，則易彎，填料壽命也短。解決這個問題，較好的辦法就是用旅轉(zhuǎn)閥閥桿，即角行程類的調(diào)節(jié)閥，它的閥桿比直行程閥桿粗2～3倍，且選用壽命長的石墨填料，閥桿剛度好，填料壽命長，其摩擦力矩反而小、回差小。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/304610.html</p></div></div></div></div></div><div id="viszwys" class="page-right twoColRt"><div id="wlif7as" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2yacebl" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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