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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>牡丹江靜音止回閥,止回閥</p><p><span>***更新：</span>2021-01-19 16:41:02</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="gk7dwz8" 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="twabizy" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="kbtaryf" class="box"><p><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，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，牡丹江靜音止回閥，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，牡丹江靜音止回閥，牡丹江靜音止回閥，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，閥瓣靠介質(zhì)推力開啟，當(dāng)介質(zhì)停流時，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。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。牡丹江靜音止回閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="牡丹江靜音止回閥,止回閥" src="https://tyunfile.71360.com/UploadFile/ZJDLFM/637466018001273133/789612.png"></div><p> 球形止回閥以其密封性好、流阻極小等性能優(yōu)勢，得到了范圍廣的應(yīng)用和推廣，其結(jié)構(gòu)從優(yōu)初的“單球式”止回閥逐步完善到“獨(dú)自多流道多球式”止回閥。止回閥是流體傳輸優(yōu)常用的設(shè)備種類之一，現(xiàn)有的止回閥存在阻力大、能耗大的問題。降低流阻系數(shù)是流體傳輸節(jié)能的重要途徑。常見的止回閥包括球形止回閥、對夾式止回閥等。這些止回閥的共同缺點(diǎn)是：在流體正向流動、止回閥打開時，止回閥的某些零部件例如閥瓣或球體等處于流道的**，存在一定的擋水面積，對流體的流動阻力較大，使出水壓力有所降低，因此浪費(fèi)能量。球形止回閥結(jié)構(gòu)和工作原理編輯球形止回閥是一種采用多球、多流道、多錐型倒流體結(jié)構(gòu)的止回閥，主要由前后閥體、膠球、錐型體等組成。其工作原理是：膠球在球罩內(nèi)作短行程滾動來實(shí)現(xiàn)閥門的啟閉。當(dāng)水泵開動時，水在壓力的作用下沖開膠球，使膠球滾至右側(cè)，由后閥體中的錐形體固定其位置，止回閥開啟；泵停后，由于管路系統(tǒng)中的回水壓力，迫使膠球滾至左側(cè)前閥體，達(dá)到止回閻的關(guān)閉。膠球采用空心鋼球，外附彈性很好的橡膠既保證密封，又能保證減小關(guān)閥過程中對管道系統(tǒng)的破壞。帶孔的錐型體在閥門打開時對鋼球起固定作用和消除膠球與錐型體接觸面積的壓強(qiáng)。滁州微阻球形止回閥金華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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="牡丹江靜音止回閥,止回閥" src="https://tyunfile.71360.com/UploadFile/ZJDLFM/637466018088840989/145133.png"></div><p> 緩閉止回閥又稱逆止閥，其作用是防止管路中的介質(zhì)倒流。啟閉件靠介質(zhì)流動和力量自行開啟或關(guān)閉，以防止介質(zhì)倒流的閥門。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)向一個方向流動，以防止發(fā)生事故。本類閥門在管道中一般應(yīng)當(dāng)水平安裝。中文名緩閉止回閥外文名Checkvalve別稱逆止閥作用防止管路中的介質(zhì)倒流目錄1簡介2用途3主要材質(zhì)4標(biāo)準(zhǔn)與規(guī)范5結(jié)構(gòu)特點(diǎn)6作用原理7結(jié)構(gòu)說明8維護(hù)保養(yǎng)9安裝與使用10300X緩閉止回閥緩閉止回閥簡介編輯緩閉止回閥又稱逆止閥，其作用是防止管路中的介質(zhì)倒流。啟閉件靠介質(zhì)流動和力量自行開啟或關(guān)閉，以防止介質(zhì)倒流的閥門。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)向一個方向流動，以防止發(fā)生事故。本類閥門在管道中一般應(yīng)當(dāng)水平安裝。緩閉止回閥用途編輯緩閉止回閥適用于公稱壓力、Class150-2500；公稱通徑DN15~1200mm、NPS1/2~48；工作溫度－196~540℃的各種管路上，用于防止介質(zhì)倒流。通過選用不同的材質(zhì)，可適用于水、蒸汽、油品、硝酸、醋酸、強(qiáng)氧化性介質(zhì)及尿素等多種介質(zhì)。緩閉止回閥主要材質(zhì)編輯碳鋼、低溫鋼、雙相鋼（F51/F53）、鈦合金、鋁青銅、因科鎳爾。</p><p> 當(dāng)介質(zhì)停流時，閥瓣靠自垂降落在閥座上，起阻止介質(zhì)逆流作用。直通式蝶式止回閥介質(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。3、襯氟止回閥：閥瓣圍繞閥座內(nèi)的銷軸旋轉(zhuǎn)的止回閥。碟式止回閥結(jié)構(gòu)簡單，只能安裝在水平管道上，密封性較好。4、襯氟止回閥：閥瓣沿著閥體中心線滑動的閥門。管道式止回閥是新出現(xiàn)的一種閥門，它的體積小，重量較輕，加工工藝性好，是止回閥發(fā)展方向之一。但流體阻力系數(shù)比旋啟式止回閥略大。5、壓緊式止回閥：這種閥門是做為鍋爐給水和蒸汽切斷用閥，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]。襯氟止回閥襯氟止回閥主要襯里編輯聚全氟乙烯FEP(F46)適用介質(zhì)：任何有機(jī)溶劑或試劑，稀或濃無機(jī)酸，堿，酮，芳烴，氯化烴等。使用溫度：-85~150特點(diǎn)：力學(xué)，電性能和化學(xué)穩(wěn)定性基本與F4相同，但突出優(yōu)點(diǎn)是動擊韌性高，有極好的耐候性和輻射性。聚三氟乙烯PCTEF(F3)適用介質(zhì)：各種有機(jī)溶劑，無機(jī)腐蝕液(氧化性酸類)使用溫度：-195~120特點(diǎn)：耐熱性，電性能和化學(xué)穩(wěn)定性只有次于F4。臺州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="牡丹江靜音止回閥,止回閥" src="https://tyunfile.71360.com/UploadFile/ZJDLFM/637466018419749263/329027.png"></div><p> 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，閥瓣受介質(zhì)力的作用，被開啟；介質(zhì)逆流時，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[1]。襯氟止回閥性能參數(shù)編輯公稱通經(jīng)LDD1D2fbZ-φdDD1D2fbZ-φdDN（mm）NPS（inch）151/144-φ44-φ14203/2164-φ164-φ85652164-φ164-φ14325/82184-φ2184-φ18403/53184-φ3184-φ-φ3204-φ18655/203204-φ3204-φ-φ3224-φ-φ3248-φ-φ3268-φ-φ3288-φ-φ33012-φ12-φ33212-φ12-φ43412-φ16-φ43816-φ16-φ44016-φ30襯氟止回閥襯氟止回閥主要零部件材料編輯序號零件名稱灰鑄鐵鑄鋼不銹耐酸鑄鋼很低碳不銹耐酸鑄鋼ZCPRPLRL1閥體/閥蓋HT250WCBCF8CF8MCF3CF3M2閥瓣/閥桿351Cr131Cr18Ni91Cr18Ni12Mo2Ti00Cr18Ni1000Cr17Ni14Mo23襯里/閥座PCTEF（F3）,FEP（F46）,PFA（可溶F4）,PP,PO4緊固螺栓WCB1Cr17Ni21Cr18Ni9Ti5螺母PTFE（F4）CF8CF8參考資料1.方本孝,鄭慶倫.高性能止回閥結(jié)構(gòu)設(shè)計的分析研究[J].流體機(jī)械,1998(4):10-14.詞條標(biāo)簽：科學(xué)百科工程技術(shù)分類，科學(xué)。瑞安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。滁州微阻球形止回閥</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，主要有靜音止回閥，對夾蝶形止回閥，消聲止回閥。牡丹江靜音止回閥</p><p> 4）過程檢驗(yàn)對閥門編制了質(zhì)量計劃，以確保閥門從原材料、毛坯投入、機(jī)加工、焊接、熱處理、無損檢測、清洗、裝配、出廠試驗(yàn)以及各項(xiàng)型式試驗(yàn)均得到質(zhì)量控制，并得到核工業(yè)第二研究設(shè)計院認(rèn)可和現(xiàn)場見證。蝶式雙瓣止回閥適用于高層建筑給水管網(wǎng)，有一定化學(xué)腐蝕性介質(zhì)管網(wǎng)、安裝空間有限制的管網(wǎng)，還適用于污水管網(wǎng)。升降式靜音止回閥適用于給排水工程質(zhì)量要求高的管網(wǎng)；壓力要求相對高的管網(wǎng)（）；可安裝在泵的出口處，是經(jīng)濟(jì)實(shí)用的防水錘止回閥。升降式消聲止回閥適用于給排水系統(tǒng)，高層建筑管網(wǎng)，可安裝在泵的出口處，結(jié)構(gòu)稍加改動，可作為吸水底閥使用，但不適用于污水管網(wǎng)。臥式止回閥適用于潛水、排水、排污泵，特別適用于污水和污泥系統(tǒng)。旋啟式橡膠止回閥適用于生活用水管網(wǎng)中；但不適用于沉積物多的污水旋啟單瓣止回閥適用于給水系統(tǒng)、石油、化工、冶金等工業(yè)部門對有安裝空間限制的場所優(yōu)為適用。[3]止回閥選型標(biāo)準(zhǔn)編輯止回閥的選型標(biāo)準(zhǔn)內(nèi)容如下：球形止回閥1、為了防止介質(zhì)逆流，在設(shè)備、裝置和管道上都應(yīng)安裝止回閥；2、止回閥一般適用于清凈介質(zhì)，不宜用于含有固體顆粒和粘度較大的介質(zhì)；3、一般在公稱通徑50mm的水平管道上都應(yīng)選用臥式升降止回閥。牡丹江靜音止回閥</p><p style="text-indent:25px">浙江鼎力閥門有限公司一直專注于我們將遍隨二十一世紀(jì)的脈搏，為國力的股實(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、水力控料閥系列產(chǎn)品。，是一家機(jī)械及行業(yè)設(shè)備的企業(yè)，擁有自己**的技術(shù)體系。公司目前擁有專業(yè)的技術(shù)員工，為員工提供廣闊的發(fā)展平臺與成長空間，為客戶提供高質(zhì)的產(chǎn)品服務(wù)，深受員工與客戶好評。誠實(shí)、守信是對企業(yè)的經(jīng)營要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的止回閥，水利控制閥，浮球閥，閥門。公司深耕止回閥，水利控制閥，浮球閥，閥門，正積蓄著更大的能量，向更廣闊的空間、更寬泛的領(lǐng)域拓展。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2918208.html</p></div></div></div></div></div><div id="py8dpw3" class="page-right twoColRt"><div id="ajvxevm" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qf2kl8e" 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" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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