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src="https://tyunfile.71360.com/UploadFile/ZJDLFM/637466018057893804/7340856.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8zb7gda" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZJDLFM/637466018057893804/7340856.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7lcjbl2" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>耐腐蝕緩沖止回閥企業(yè),止回閥</p><p><span>***更新：</span>2021-02-03 00:28:26</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="e3p4y3z" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">浙江鼎力閥門有限公司</a></p><p><span>聯(lián)系人：</span>陳麗奶</p><p><span>郵箱: </span>707038182@qq.com</p><p><span>電話: </span>13968961324</p><p><span>傳真: </span>0577_</p><p><span>網(wǎng)址: </span>http://ZJDLFM.shop.88360.com</p><p><span>手機(jī): </span>0577-12345678</p><p><span>地址: </span>甌北鎮(zhèn)西岸工業(yè)區(qū)</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="h22tkcz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mbna7q8" class="box"><p><p> 檔次高閥門的國產(chǎn)化之路異?！翱部馈?。基礎(chǔ)件已經(jīng)成為制約我國制造業(yè)向檔次高化發(fā)展的短板，十二五期間國家將繼續(xù)加大對檔次高裝備零部件的國產(chǎn)化力度。此處我們選取《實(shí)施方案》里提及的幾個(gè)重點(diǎn)發(fā)展行業(yè)具有表示性的閥門進(jìn)行進(jìn)口替代的可行性分析。從分析我們可以看出各子行業(yè)閥門進(jìn)口替代可行性差別很大，檔次高閥門亟待更多的政策引導(dǎo)及科研扶持。閥門行業(yè)在國民經(jīng)濟(jì)發(fā)展中，作為準(zhǔn)備制造業(yè)的一個(gè)重要環(huán)節(jié)，起到非常重要的作用。由于我國國內(nèi)閥門制造業(yè)水平與國際先進(jìn)水平相比仍有一定差距，好多高參數(shù)、高溫高壓、高磅級的關(guān)鍵閥門原一直依賴進(jìn)口，為了力促閥門國產(chǎn)化，在國家下達(dá)的《關(guān)于加快振興裝備制造業(yè)的若干意見》后，國家有關(guān)部門根據(jù)國家作出的重大裝備國產(chǎn)化的要求，先后作出了一系列重大部署，并由國家發(fā)改委牽頭，中國機(jī)械工業(yè)聯(lián)合會和中國通用機(jī)械工業(yè)協(xié)會一起，部署制訂了相關(guān)領(lǐng)域重大裝備的閥門國產(chǎn)化方案，并多次與有關(guān)部門協(xié)調(diào)，如今閥門國產(chǎn)化在國內(nèi)閥門行業(yè)已形成共識。積極采用國際標(biāo)準(zhǔn)進(jìn)行產(chǎn)品設(shè)計(jì)；吸收國外優(yōu)越的設(shè)計(jì)結(jié)構(gòu)；產(chǎn)品試驗(yàn)，耐腐蝕緩沖止回閥企業(yè)，耐腐蝕緩沖止回閥企業(yè)、性能檢驗(yàn)嚴(yán)格按國際標(biāo)準(zhǔn)進(jìn)行；吸收國外生產(chǎn)工藝經(jīng)驗(yàn)重視新材料的研究及推廣應(yīng)用，耐腐蝕緩沖止回閥企業(yè)。湖北鼎力閥門是一家專門生產(chǎn)制造銷售止回閥的公司，主要有雙瓣旋啟式止回閥，耐腐蝕緩沖止回閥等。耐腐蝕緩沖止回閥企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="耐腐蝕緩沖止回閥企業(yè),止回閥" src="https://tyunfile.71360.com/UploadFile/ZJDLFM/637466018057893804/7340856.png"></div><p> 它具有升降式止回閥和截止閥或角閥的綜合機(jī)能。此外，還有—些不適用于泵出口安裝的止回閥，如底閥、彈簧式，Y型等止回閥[1]。靜音止回閥用途編輯本閥門用于工業(yè)管道上作阻止介質(zhì)逆流的裝置。靜音止回閥工作原理編輯本閥門在使用過程中，介質(zhì)按圖示箭頭方向流動。1、當(dāng)介質(zhì)按規(guī)定方向流動時(shí)，閥瓣受介質(zhì)力的作用，被開啟;介質(zhì)逆流時(shí)，因閥瓣自重和閥瓣受介質(zhì)反向力的作用，使閥瓣與閥座的密封面密合而關(guān)閉，達(dá)到阻止介質(zhì)逆流的目的。2、閥體及閥瓣的密封面采用不銹鋼堆焊。3、本閥門的結(jié)構(gòu)長度按GB12221-1989的規(guī)定，法蘭連接尺寸按JB/T79-1994的規(guī)定。靜音止回閥零件材料編輯閥體、閥蓋、閥瓣、搖桿都是用碳鋼鑄造，密封面用堆焊硬質(zhì)合金，銷軸用鉻不銹鋼，墊片用柔性石墨+304靜音止回閥安裝和使用編輯1、本閥門通路兩端須堵塞，存在干燥通風(fēng)的室內(nèi)。如長期存放，應(yīng)經(jīng)常檢查防銹蝕。2、安裝前應(yīng)將閥門清洗干凈，并消除在運(yùn)輸過程中造成的缺陷。3、安裝時(shí)必須仔細(xì)核對閥門上的標(biāo)志和銘牌是否符合使用要求。4、本閥門安裝在水平管道上，閥蓋向上。安裝示意圖靜音止回閥組成編輯該閥由閥體、閥座、導(dǎo)流體、閥瓣、軸瓦及彈簧等零件組成。內(nèi)部流道采用流線型設(shè)計(jì)，壓力損失小。威海HC41W消聲止回閥紹興鼎力閥門是一家專門生產(chǎn)制造銷售止回閥的公司，主要有通風(fēng)止回閥，對夾雙瓣旋啟式止回閥，液力止回閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="耐腐蝕緩沖止回閥企業(yè),止回閥" src="https://tyunfile.71360.com/UploadFile/ZJDLFM/637466018202776517/4632388.png"></div><p> 浙江鼎力閥門有限公司，座落在甌北鎮(zhèn)西岸工業(yè)區(qū)，擁有廠房占地面積3500平方米，建筑面積3000平方米，是一家專業(yè)制造閥門的廠家，用IS09001-2008質(zhì)量體系認(rèn)證標(biāo)準(zhǔn)覆蓋產(chǎn)品的設(shè)計(jì)、制造、管理、服務(wù)全過程。為了不斷研制與開發(fā)新產(chǎn)品，滿足用戶需求，長期以來本公司以科研單位高等學(xué)府為依托，不斷消化，不斷進(jìn)步。對國內(nèi)外的自來水廠、污水處理廠、發(fā)電廠、建筑工程、鋼鐵公司與消防系統(tǒng)等閥門用戶而言,我們是您比較好的選擇。我們將追隨二十一世紀(jì)的脈搏，為國力的殷實(shí)做出更大的努力，為此能對您好的事業(yè)予以鼎力相助而感到無比自豪。浙江鼎力閥門有限公司主要生產(chǎn)：微阻緩閉式止回閥系列、對夾式止回閥系列、多功能水泵控制閥系列、水力控制閥系列產(chǎn)品。 </p><p> 由于該類閥門的閥桿開啟或關(guān)閉行程相對較短，而且具有非常可靠的切斷功能，又由于閥座通口的變化與閥瓣的行程成正比例關(guān)系，非常適合于對流量的調(diào)節(jié)。因此，這種類型的閥門非常適合作為切斷或調(diào)節(jié)以及節(jié)流使用。截止閥的選用原則是：1、高溫、高壓介質(zhì)的管路或裝置上宜選用截止閥。如火電廠、核電站，石油化工系統(tǒng)的高溫、高壓管路上。2、管路上對流阻要求不嚴(yán)的管路上。即對壓力損失考慮不大的地方。3、小型閥門可選用針閥、儀表閥、取樣閥、壓力計(jì)閥等。4、有流量調(diào)節(jié)或壓力調(diào)節(jié)，但對調(diào)節(jié)精度要求不高，而且管路直徑又比較小，如公稱通經(jīng)≤50mm的管路上，宜選用。5、合成工業(yè)生產(chǎn)中的小化肥和大化肥宜選用公稱壓力PN160公稱壓力16MPa或PN320公稱壓力32MPa的高壓角式截止閥或高壓角式節(jié)流閥。6、氧化鋁拜耳法生產(chǎn)中的脫硅車間、易結(jié)焦的管路上，易選用閥體分開式、閥座可去處的、硬質(zhì)合金密封副的直流式截止閥或直流式節(jié)流閥。7、城市建設(shè)中的供水、供熱工程上，公稱通經(jīng)較小的管路，可選用截止、平衡閥或柱塞閥，如公稱通經(jīng)小于150mm的管路上。優(yōu)明顯的優(yōu)點(diǎn)是：在開啟和關(guān)閉過程中，由于閥瓣于閥體密封面間的摩擦力比閘閥小，因而耐磨。浙江鼎力閥門是一家專門生產(chǎn)制造銷售止回閥的公司，主要有靜微阻球形止回閥，滑道滾求式止回閥等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="耐腐蝕緩沖止回閥企業(yè),止回閥" src="https://tyunfile.71360.com/UploadFile/ZJDLFM/637466018001273133/789612.png"></div><p> 止回閥安裝在管道轉(zhuǎn)彎彎頭或垂直方向落差較大的地方，也是防止水錘對管道的影響及破壞，所以應(yīng)該裝在4處，防止回水對水表的沖擊。一、旋啟式止回閥：旋啟式止回閥的閥瓣呈圓盤狀，繞閥座通道的轉(zhuǎn)軸作旋轉(zhuǎn)運(yùn)動，因閥內(nèi)通道成流線形，流動阻力比升降式止回閥小，適用于低流速和流動不常變化的大口徑場合，但不宜用于脈動流，其密封性能不及升降式。旋啟式止回閥分單瓣式、雙瓣式和多半式三種，這三種形式主要按閥門口徑來分，目的是為了防止介質(zhì)停止流動或倒流時(shí)，減弱水力沖擊。二、升降式止回閥：閥瓣沿著閥體垂直中心線滑動的止回閥，升降式止回閥只能安裝在水平管道上，在高壓小口徑止回閥上閥瓣可采用圓球。升降式止回閥的閥體形狀與截止閥一樣(可與截止閥通用)，因此它的流體阻力系數(shù)較大。其結(jié)構(gòu)與截止閥相似，閥體和閥瓣與截止閥相同。閥瓣上部和閥蓋下部加工有導(dǎo)向套簡，閥瓣導(dǎo)向簡可在閥盞導(dǎo)向簡內(nèi)自由升降，當(dāng)介質(zhì)順流時(shí)，閥瓣靠介質(zhì)推力開啟，當(dāng)介質(zhì)停流時(shí)，閥瓣靠自垂降落在閥座上，起阻止介質(zhì)逆流作用。直通式升降止回閥介質(zhì)進(jìn)出口通道方向與閥座通道方向垂直;立式升降式止回閥，其介質(zhì)進(jìn)出口通道方向與閥座通道方向相同，其流動阻力較直通式小。義烏鼎力閥門是一家專門生產(chǎn)制造銷售止回閥的公司，主要有靜音止回閥，對夾蝶形止回閥，消聲止回閥。黃山微阻緩閉蝶形止回閥</p><p style="text-indent:25px">紹興鼎力閥門是一家專門生產(chǎn)制造銷售止回閥的公司，主要有雙瓣旋啟式止回閥，耐腐蝕緩沖止回閥等。耐腐蝕緩沖止回閥企業(yè)</p><p> 因此通過升降式止回閥的壓力降比旋啟式止回閥大些，而且旋啟式止回閥的流量受到的限制很少。[2]止回閥分類編輯啟閉件靠介質(zhì)流動的力量自行開啟或關(guān)閉，以防止介質(zhì)倒流的閥門叫止回閥。止回閥屬于自動閥類，主要用于介質(zhì)單向流動的管道上，只允許介質(zhì)向一個(gè)方向流動，以防止發(fā)生事故。止回閥結(jié)構(gòu)分類按結(jié)構(gòu)劃分，可分為升降式止回閥、旋啟式止回閥和蝶式止回閥三種：1.升降式止回閥分為立式和臥式兩種。2.旋啟式止回閥分為單瓣式、雙瓣式和多瓣式三種。3.蝶式止回閥為直通式。以上幾種止回閥在連接形式上可分為螺紋連接、法蘭連接、焊接連接和對夾連接四種。止回閥材質(zhì)分類1.鑄鐵止回閥2.黃銅止回閥3.不銹鋼止回閥4.碳鋼止回閥5.鍛鋼止回閥止回閥功能分類靜音式止回閥不銹鋼止回閥靜音式止回閥靜音式止回閥止回閥安裝編輯止回閥安裝方法一、旋啟式止回閥：旋啟式止回閥的閥瓣呈圓盤狀，繞閥座通道的轉(zhuǎn)軸作旋轉(zhuǎn)運(yùn)動，因閥內(nèi)通道成流線型，流動阻力比升降式止回閥小，適用于低流速和流動不常變化的大口徑場合，但不宜用于脈動流，其密封性能不及升降式。旋啟式止回閥分單瓣式、雙瓣式和多半式三種，這三種形式主要按閥門口徑來分，目的是為了防止介質(zhì)停止流動或倒流時(shí)。耐腐蝕緩沖止回閥企業(yè)</p><p style="text-indent:25px">浙江鼎力閥門有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型公司。鼎力閥門致力于為客戶提供良好的止回閥，水利控制閥，浮球閥，閥門，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。鼎力閥門立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3129882.html</p></div></div></div></div></div><div id="wqs7yas" 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