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id="mboqazq" 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-_huagong/">化工</a>?<a href="http://www.cdcfah.com/cp/second-huagong_famenmp/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenmp_fatinw/">閥體</a>?江西自動再循環(huán)閥銷售價格誠信為本上海大田閥門管道工程供應</p><div id="e8r4vsp" class="leftbox clearfix"><h1>江西自動再循環(huán)閥銷售價格誠信為本上海大田閥門管道工程供應</h1><div id="otq3mzv" class="proBig"><div id="n23cujq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637343241812021484/6437117.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="sce48aq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637343241812021484/6437117.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="v84egd8" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>江西自動再循環(huán)閥銷售價格,自動再循環(huán)閥</p><p><span>***更新：</span>2021-02-01 00:23:16</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="p39t8kh" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海大田閥門管道工程有限公司</a></p><p><span>聯(lián)系人：</span>余璐辰</p><p><span>郵箱: </span>business@dtjt.com</p><p><span>電話: </span>18621060309</p><p><span>傳真: </span>21_</p><p><span>網(wǎng)址: </span>https://www.dtjt.com</p><p><span>手機: </span>21-68106370</p><p><span>地址: </span>祝橋鎮(zhèn)工業(yè)城</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="kwdiub8" class="page-proshow02"><p class="title">詳細說明</p><div id="slxm8np" class="box"><p><p style="text-indent:25px"> 給水泵出口至除氧器（或冷凝器）水箱之間安裝再循環(huán)系統(tǒng)，在自動再循環(huán)閥剛啟動或在給水量小到一定程度時，可打開再循環(huán)系統(tǒng)。將一部分水返回除氧器水箱，以保證有一定的水量（一般約為額定流量的30%）通過水泵，而不致使泵內(nèi)水溫升高而汽化。而當給水量處于正常條件下時，江西自動再循環(huán)閥銷售價格，關閉再循環(huán)系統(tǒng)。以往的控制方式是由復雜的控制系統(tǒng)組成泵的保護及控制系統(tǒng)。再循環(huán)系統(tǒng)由小流量閥，江西自動再循環(huán)閥銷售價格，江西自動再循環(huán)閥銷售價格、止回閥、流量測量系統(tǒng)組成。系統(tǒng)中流量測量系統(tǒng)確定何時開啟或關閉再循環(huán)系統(tǒng)；自動再循環(huán)閥連接方式有法蘭連接、對夾連接、對焊連接及凸耳對夾連接.江西自動再循環(huán)閥銷售價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西自動再循環(huán)閥銷售價格,自動再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343241812021484/6437117.png"></div><p style="text-indent:25px"> 自動再循環(huán)閥又叫翻板閥，是一種結(jié)構(gòu)簡單的調(diào)節(jié)閥，可用于低壓管道介質(zhì)的開關控制的自動再循環(huán)閥是指關閉件（閥瓣或蝶板）為圓盤，圍繞閥軸旋轉(zhuǎn)來達到開啟與關閉的一種閥。閥門可用于控制空氣、水、蒸汽、各種腐蝕性介質(zhì)、泥漿、油品、液態(tài)金屬和放射性介質(zhì)等各種類型流體的流動。在管道上主要起切斷和節(jié)流作用。自動再循環(huán)閥啟閉件是一個圓盤形的蝶板，在閥體內(nèi)繞其自身的軸線旋轉(zhuǎn)，從而達到啟閉或調(diào)節(jié)的目的。在工業(yè)生產(chǎn)中，自動再循環(huán)閥是一個很關鍵的機械裝置，是很常見的。閔行區(qū)自動再循環(huán)閥工廠自動再循環(huán)閥是一個局部阻力可以變化的節(jié)流元件.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西自動再循環(huán)閥銷售價格,自動再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343240684023437/3078406.png"></div><p style="text-indent:25px"> 根據(jù)感應到的主路流量不同,自動再循環(huán)閥的主閥瓣止回錐將自動移動到某一個位置上。同時主閥瓣帶動旁路閥閥桿,將主閥瓣動作傳遞至旁路，通過控制旁路閥閥瓣的位置，改變旁路的節(jié)流面積，從而控制通過旁路的流量。當主閥瓣回至閥座關閉狀態(tài)時,所有流量通過旁路回流。當主閥瓣上升至頂端位置時,旁路則完全關閉,所有泵的流量流向工藝系統(tǒng)。該閥集四種功能于一體。流量感知：自動再循環(huán)閥的主閥瓣能自動感知工藝系統(tǒng)中的主流量，從而根據(jù)此流量來確定主閥瓣和旁路閥瓣的位置。再循環(huán)控制：自動再循環(huán)閥可以將泵正常運行所需要的小流量通過旁路吸入到存儲裝置中，調(diào)節(jié)水泵的特性，實現(xiàn)再循環(huán)。旁路多級減壓：旁路控制系統(tǒng)能低噪音小磨損的把回流介質(zhì)從泵出口的高壓減至適宜回流存儲裝置中的低壓止回：自動再循環(huán)閥還具有止回閥的作用，防止液體回流到泵體中。</p><p style="text-indent:25px"> 自動再循環(huán)閥的內(nèi)部零件材料，標準產(chǎn)品為小含鉻量不小于13%的不銹鋼。控制套筒、套筒座及渦流錐均經(jīng)表面處理（離子真空淬火），以抗磨損。其他用于閥體及內(nèi)部零件的鍛造材料可按需提供。閥體材料的選擇，按照壓力及溫度條件確定。自動再循環(huán)閥是一種自力式的三通式閥門，安裝于泵出口，用于泵的小連續(xù)流量保護。自動再循環(huán)閥集止回、流量感知、旁通流量控制功能于一身，是1個單獨的系統(tǒng)。它能動態(tài)感知主路流量變化，隨主路流量調(diào)整旁通流量。自動再循環(huán)閥可以運送泥漿，在管道口積存液體少.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西自動再循環(huán)閥銷售價格,自動再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343240914384765/2642701.png"></div><p style="text-indent:25px"> 自動再循環(huán)閥旁路止回功能，自動再循環(huán)閥廠家可以為旁路提供止回功能但會增加成本，因此需核算是自動再循環(huán)閥內(nèi)置止回閥還是旁路管線單獨安裝止回閥。自動再循環(huán)閥材質(zhì)，閥門材質(zhì)原則上不能低于泵出口管等級要求的材質(zhì)，對輸送腐蝕性物料的情況，還需廠家對閥門內(nèi)件做相應處理。自動循環(huán)閥是自行的，不需要人工操作。自動再循環(huán)閥又稱自動再循環(huán)閥或小流量閥，用于離心泵小流量的自動再循環(huán)，防止離心泵在低負載下由于過熱，噪音、振動帶來的損壞。自動再循環(huán)閥在泵正常運行時,并沒有再循環(huán)，從而可節(jié)省因連續(xù)再循環(huán)所消耗的電能和水能。泰州自動再循環(huán)閥怎么樣</p><p style="text-indent:25px">自動再循環(huán)閥蝶板的運動帶有擦拭性，故大多數(shù)的自動再循環(huán)閥可用于帶懸浮固體顆粒的介質(zhì).江西自動再循環(huán)閥銷售價格</p><p style="text-indent:25px"> 自動再循環(huán)閥是給水泵的重要設備，與125、200、300、600MW機組鍋爐給水泵配套使用。在電廠運行過程中，給水泵將鍋爐給水經(jīng)除氧器加壓后送往高壓加熱器，進入鍋爐。當給水流量由于機組運行工況所限低于某一小值時，將導致給水泵內(nèi)介質(zhì)汽化而使設備無法工作甚至損壞。自動再循環(huán)閥就是當給水流量減小流量（給水泵的流量在任何工況下都不得小于這一規(guī)定的安全流量值）時，立即打開，介質(zhì)經(jīng)控制閥回到除氧器，保證給水泵的安全運行；當給水流量達到一定量時，小流量控制閥關閉，系統(tǒng)進入正常工作。運行時給水泵出口壓力很高，而除氧器壓力很低（0.8MPa以下），所以，自動再循環(huán)閥須承受很高的壓差。江西自動再循環(huán)閥銷售價格</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3098385.html</p></div></div></div></div></div><div id="73cg8zr" class="page-right twoColRt"><div id="dnp24l2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hfcmwtv" 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="pe7eof3" class="recomPic 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