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class="header container"><span id="bp57zrj" class="logo"><a href="http://www.cdcfah.com/"><img src="/static/new_net_01/images/logo.png" alt="找產(chǎn)品網(wǎng)"></a></span><span id="l9vhzft" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務(wù)平臺 </span><div id="77jb79t" class="searchbox"><div id="rn5plhd" class="searchLt"><div id="zvbnntf" 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="nr5jnj7" class="clearfix searchWrap"><div id="79nr7xv" 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="vhndj7f" class="container"><ul><li id = "index_index"><a 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href="http://www.cdcfah.com/cp/third-famenti_zhihuifats/">止回閥</a>?徐州1500lb美標(biāo)高壓止回閥抱誠守真浙江京州閥門制造供應(yīng)</p><div id="vjf7jxn" class="leftbox clearfix"><h1>徐州1500lb美標(biāo)高壓止回閥抱誠守真浙江京州閥門制造供應(yīng)</h1><div id="xdznrnd" class="proBig"><div id="ft9hnb9" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448598291016/5306639.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nrv97zv" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448598291016/5306639.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ftrx7rp" 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>徐州1500lb美標(biāo)高壓止回閥,止回閥</p><p><span>***更新：</span>2021-02-03 13:11:56</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="9dhnlft" 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(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="lrxdj9t" class="page-proshow02"><p class="title">詳細說明</p><div id="7bzdrxd" class="box"><p><p style="text-indent:25px">電站止回閥常見故障及處理方法：①閥瓣打碎；②介質(zhì)倒流。引起閥瓣打碎的原因是:止回閥前后介質(zhì)壓力處于接近，其平衡而又互相“拉鋸”的狀態(tài)，閥瓣經(jīng)常與閥座拍打，某些脆性材料（如鑄鐵、黃銅等）做成的閥瓣就被打碎。預(yù)防的辦法是采用閥瓣為韌性材料的止回閥，徐州1500lb美標(biāo)高壓止回閥。介質(zhì)倒流的原因有:①密封面破壞；②夾入雜質(zhì)。修復(fù)密封面和清洗雜質(zhì)，就能防止倒流。雙旋啟動式止回閥止回閥用途及特性:旋啟式止回閥的功能是用來防止管路中的介質(zhì)倒流，徐州1500lb美標(biāo)高壓止回閥。止回閥屬于自動閥類，啟閉件靠流動介質(zhì)的力量自行開啟或關(guān)閉，徐州1500lb美標(biāo)高壓止回閥。止回閥只用于介質(zhì)單向流動的管路上，阻止介質(zhì)回流，以防發(fā)生事故。電站止回閥工作溫度-29～570℃的石油、化工、火力電站等各種工況的管路上。徐州1500lb美標(biāo)高壓止回閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州1500lb美標(biāo)高壓止回閥,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448598291016/5306639.png"></div><p style="text-indent:25px">焊接高壓止回閥結(jié)構(gòu)特點：焊接止回閥一般分為升降式、旋啟式等幾種類型。升降式止回閥的結(jié)構(gòu)一般與截止閥相似，其閥瓣沿著通道中心線作升降運動，動作可靠，但流體阻力較大，適用于較小口徑的場合。升降式止回閥可分為直通式和立式兩種。直通式升降式止回閥一般只能安裝在水平管路，而立式升降止回閥一般應(yīng)安裝在垂直管路。旋啟式止回閥的閥瓣繞轉(zhuǎn)軸作旋轉(zhuǎn)運動。其流體阻力一般小于升降式止回閥，它適用于較大口徑的場合。旋啟式止回閥根據(jù)閥瓣的數(shù)目可分為單瓣旋啟式、雙瓣旋啟式及多瓣旋啟式三種。單瓣旋啟式止回閥一般適用于中等口徑的場合。大口徑管路選用單瓣旋啟式止回閥時，為減少水錘壓力，*采用能減小水錘壓力的緩閉止回閥。雙瓣旋啟式止回閥適用于大中口徑管路。對夾雙瓣旋啟式止回閥結(jié)構(gòu)小、重量輕，是一種發(fā)展較快的止回閥；多瓣旋啟式止回閥適用于大口徑管道路。福建鑄造升降止回閥費用旋啟式止回閥的采用內(nèi)裝搖臂旋啟式結(jié)構(gòu)，閥門的所有啟閉件都裝于閥體內(nèi)部。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州1500lb美標(biāo)高壓止回閥,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448549775391/1902283.png"></div><p style="text-indent:25px">高壓止回閥瓣沿著閥體垂直中心線滑動的止回閥，內(nèi)螺紋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。蝶式止回閥蝶形止回閥的閥體形狀與截止閥樣可與截止閥通用，因此它的流體阻力系數(shù)較大。高壓止回閥結(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，綠色建筑理念將成為帶動閥門技術(shù)升級和建材業(yè)轉(zhuǎn)型的重要引擎而自動化閥門技術(shù)作為綠色節(jié)能建材的一種閥瓣導(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。直通式蝶式止回閥介質(zhì)進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。高壓止回閥是閥瓣圍繞閥座內(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。</p><p style="text-indent:25px">電站止回閥焊接連接的止回閥適用于公稱壓力PN20.0～32.0MPa，工作溫度≤540℃（其中57170V工作溫度為570℃）的石油、化工、水力、火力電站各種系統(tǒng)的管路上。適用介質(zhì)為：水、油品、蒸汽等。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)。焊接連接的止回閥適用于公稱壓力PN20.0～32.0MPa，工作溫度≤540℃（其中57170V工作溫度為570℃）的石油、化工、水力、火力電站各種系統(tǒng)的管路上。適用介質(zhì)為：水、油品、蒸汽等。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)。H41H升降式止回閥工作溫度 -29~+550℃的石油、化工、電力行業(yè)等各種工況的管路上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州1500lb美標(biāo)高壓止回閥,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448559589844/9647506.png"></div><p style="text-indent:25px">旋啟式止回閥安裝方法：一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，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靜音止回閥同。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，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。三、碟式止回閥：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，密封性較差。電站止回閥安裝簡單，并且使用方便。高溫高壓旋啟止回閥價格</p><p style="text-indent:25px">升降式垂直瓣止回閥應(yīng)安裝在垂直管道上。徐州1500lb美標(biāo)高壓止回閥</p><p style="text-indent:25px">H41H升降式止回閥結(jié)構(gòu)特點 1、選材考究，符合國內(nèi)、外相關(guān)標(biāo)準(zhǔn)，材料的質(zhì)量高。 2、密封副配對先進合理，閥瓣、閥座密封面采用鐵基合金或鈷基硬質(zhì)合金堆焊面成，耐磨、耐高溫、耐腐蝕、抗擦傷性能好，使用壽命長。 3、產(chǎn)品按國家標(biāo)準(zhǔn)GB/T12235設(shè)計制造。閥門承壓件采用精密鑄造工藝澆鑄，表面質(zhì)量美觀，無粘沙、冷隔等表面破損;內(nèi)在質(zhì)量穩(wěn)定，無疏松、砂眼、裂紋等內(nèi)在破損。 4、可采用各種配管法蘭標(biāo)準(zhǔn)及法蘭密封型式，滿足各種工程需要及用戶要求。 5、閥體材料品種齊全，墊片可根據(jù)實際工況或用戶要求合理選配，能適用于各種壓力、溫度及介質(zhì)工況。可按用戶要求設(shè)計制造不同結(jié)構(gòu)形式和連接形式的止回閥，為各種設(shè)備配套使用。 6,用于管路系統(tǒng)，其主要作用是防止介質(zhì)倒流、防止泵及其驅(qū)動電機機反轉(zhuǎn)，以及容器內(nèi)介質(zhì)的泄放。止回閥還可用于給其中的壓力可能升至超過主系統(tǒng)壓力的輔助系統(tǒng)提供補給的管路上。徐州1500lb美標(biāo)高壓止回閥</p><p style="text-indent:25px">浙江京州閥門制造有限公司致力于機械及行業(yè)設(shè)備，是一家生產(chǎn)型的公司。公司業(yè)務(wù)涵蓋刀閘閥，穿透式刀閘閥，礦漿閥，漿液閥等，價格合理，品質(zhì)有保證。公司從事機械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。浙江京州閥門憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3144428.html</p></div></div></div></div></div><div id="tzflrvb" class="page-right twoColRt"><div id="fvhnjhn" class="box01 margin10 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