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class="searchbox"><div id="xrt8cco" class="searchLt"><div id="gamt9k2" 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="srol4ky" class="clearfix searchWrap"><div id="xr82ik8" 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="sgyqar4" 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="i889kc9" class="twoCol"><div id="2ptvfrq" class="page-proshow clearfix"><p class="current"> 當(dāng)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(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenti_qitafamenbd/">其他閥門</a>?安徽刀閘閥貼心服務(wù) 浙江京州閥門制造供應(yīng)</p><div id="fht8dqk" class="leftbox clearfix"><h1>安徽刀閘閥貼心服務(wù) 浙江京州閥門制造供應(yīng)</h1><div id="lqn3uwq" class="proBig"><div id="3qspea8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jingzhou/637279441341923828/8395569.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kjbtamb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jingzhou/637279441341923828/8395569.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tnfhz3y" 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>安徽刀閘閥</p><p><span>***更新：</span>2020-06-21 22:28:03</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="uoqspjq" 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(jī): </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(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="bqikhjl" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nh8988i" class="box"><p><p style="text-indent:25px">刀閘閥從八十年代進(jìn)入我國，在不到二十年的時間里，其使用范圍從普通領(lǐng)域擴(kuò)展到了更為廣闊的各行各業(yè)，從礦山電廠的選煤、排矸、排渣，發(fā)展到了城市的污水處理，從一般的工業(yè)管道發(fā)展到了食品、衛(wèi)生、醫(yī)藥等專業(yè)管道系統(tǒng)。刀型閘閥關(guān)閉時，安徽刀閘閥,密封面可以只依靠介質(zhì)壓力來密封,即依靠介質(zhì)壓力將閘板的密封面壓向另一側(cè)的閥座來保證密封面的密封,這就是自密封.大部分閘閥是采用強(qiáng)制密封的，安徽刀閘閥，安徽刀閘閥,即閥門關(guān)閉時，要依靠外力強(qiáng)行將閘板壓向閥座,以保證密封面的密封性。本類閥門在管道中一般應(yīng)垂直安裝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽刀閘閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279441341923828/8395569.png"></div><p style="text-indent:25px">刀閘閥在流阻方面與截止閥的區(qū)別：刀閘閥在全開時整個流道直通，此時介質(zhì)的運(yùn)行的壓力損失小，與截止閥相比較，他的主要優(yōu)點(diǎn)是流體流動阻力小，普通刀閘閥的流動阻力系數(shù)約為0.08~0.12，而普通截止閥的阻力系數(shù)約為3.5~4.5.開啟關(guān)閉力小。刀閘閥通常適用于不需要經(jīng)常啟閉而且保持閘板全開或全閉的工況，不適合調(diào)節(jié)、節(jié)流使用。而截止閥在整個行程中的流阻都很大，不平衡力大，所需的驅(qū)動力或力矩也相應(yīng)地要大很多。但他很適合用作流體的調(diào)節(jié)、節(jié)流。對于高速流動的介質(zhì)，閘板在局部開始狀況下，可以硬氣閥門的振動而振動，又可能損傷閘板和閥座的密封面，而節(jié)流，會使閘板遭受介質(zhì)的沖蝕。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽刀閘閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279440530898437/84963.png"></div><p style="text-indent:25px">隨著工況需求的不斷發(fā)展，對刀型閘閥性能的要求也越來越高，產(chǎn)品制造中的有關(guān)工藝也越來越得到重視。由于刀型閘閥與管道元件相關(guān)的技術(shù)規(guī)范不齊全，如有關(guān)刀型閘閥的焊接、耐蝕堆焊和耐磨堆焊等沒有明確的規(guī)定。而刀型閘閥的特殊性，是否可以沿用相關(guān)鍋爐壓力容器壓力管道制造的技術(shù)規(guī)范還有待探討，所有這些都給刀型閘閥的安全注冊評審帶來一定困難。本文就有關(guān)的問題進(jìn)行分析，并建議在制定新的標(biāo)準(zhǔn)時能夠根據(jù)實(shí)際需要增加相應(yīng)的內(nèi)容，以便技術(shù)規(guī)范更加適用且容易操作。</p></p><br /><p>文章來源地址: 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