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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>杭州渦輪止回閥廠家,止回閥</p><p><span>***更新：</span>2021-02-01 12:10:25</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fdjrznt" 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="jhxvdj7" class="page-proshow02"><p class="title">詳細說明</p><div id="drhf7xd" class="box"><p><p style="text-indent:25px"> 美標(biāo)H64H高溫電站止回閥的簡介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、法蘭連接和焊接三種。也屬于止回閥類。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)倒流的閥門叫止回閥。止回閥屬于自動閥類，杭州渦輪止回閥廠家，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)生危險事件。適用介質(zhì)：水、蒸氣、石油化工,高溫介質(zhì)等壓力環(huán)境： 1500LB,2500LB 工作溫度：-29~570℃ (注：使用溫度不同，閥體所選用的材料不同。閥體材料的選用按客戶要求或是使用溫來選用。) 流動方向：單向類型(通道位置)：直通設(shè)計標(biāo)準(zhǔn)：API6D、BS1868 密封形式：硬密封加工定制：是美標(biāo)電站止回閥產(chǎn)品用途：美標(biāo)電站止回閥適用于Class1500～2500Lb，工作溫度-29～570℃的石油、化工、火力電站等各種工況的管路上，杭州渦輪止回閥廠家。適用介質(zhì)為：水、油品、蒸汽等。止回閥前后介質(zhì)壓力處于近到平衡而又互相“拉鋸”，杭州渦輪止回閥廠家，閥瓣經(jīng)常與閥座拍打，某些脆性材料做成的閥瓣就被打碎。杭州渦輪止回閥廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州渦輪止回閥廠家,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448529589844/6717776.png"></div><p style="text-indent:25px">高溫高壓焊接止回閥：支管兩端為焊結(jié)結(jié)構(gòu)，焊結(jié)坡口可按標(biāo)準(zhǔn)或用戶要求制作，適用于火電廠、石油化工、冶金等高溫高壓的水、蒸氣、油品、過熱蒸汽的管道上作防止介質(zhì)回流的裝置。一種是遵循ANSIB16.34和JIS E101標(biāo)準(zhǔn)的引進型；另一種是Jb3595標(biāo)準(zhǔn)的國標(biāo)型。其遵循的溫度、壓力等級是一致的，在一些管道中存在著某種互換關(guān)系。中部采用無閥蓋壓力自緊式，在高溫高壓工況下具有良好的密封性能。自密封圈有兩種材料：一種是低碳鋼，另一種是柔性石墨夾316絲(網(wǎng))。密封面堆焊鉆基硬質(zhì)合金。其加工后的純金屬層≥3mm，具有耐磨、耐高溫、抗腐蝕、抗擦傷、使用壽命長。杭州150lb美標(biāo)高壓止回閥價格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、法蘭連接和焊接三種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州渦輪止回閥廠家,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448581435547/3199545.png"></div><p style="text-indent:25px">美標(biāo)止回閥是指依靠介質(zhì)本身流動而自動開、閉閥瓣，用來防止介質(zhì)倒流的閥門，又稱逆止閥、單向閥、逆流閥、和背壓閥。它屬于一種自動閥門，其主要作用是防止介質(zhì)倒流、防止泵及驅(qū)動電動機反轉(zhuǎn)，以及容器介質(zhì)的泄放。止回閥還可用于給其中的壓力可能升至超過系統(tǒng)壓的輔助系統(tǒng)提供補給的管路上。止回閥主要可分為旋啟式止回閥（依重心旋轉(zhuǎn)）與升降式止回閥（沿軸線移動）。這種類型的閥門的作用是只允許介質(zhì)向一個方向流動，而且阻止方向流動。通常這種閥門是自動工作的，在一個方向流動的流體壓力作用下，閥瓣打開；流體反方向流動時，由流體壓力和閥瓣的自重合閥瓣作用于閥座，從而切斷流動。</p><p style="text-indent:25px">升降式止回閥: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，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。升降式止回閥: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，密封性較好。升降式止回閥: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。升降式水平瓣電站止回閥應(yīng)安裝在水平管道上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州渦輪止回閥廠家,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448559589844/9647506.png"></div><p style="text-indent:25px">電站高壓止回閥結(jié)構(gòu)特點：1.產(chǎn)品設(shè)計制造按標(biāo)準(zhǔn)，可與進口設(shè)備配備使用。2.閥門中腔采用壓力自緊式密封結(jié)構(gòu)，內(nèi)腔壓力越高密封性能越好。支管兩端為3.支管兩端為對焊連接，適應(yīng)不同的接管要求。4.閥門耐壓部件選用較好耐熱合金鋼制造，高溫性能好，承受壓力高，耐用、安全、可靠。5.閥瓣、閥座的密封面采用司太立鈷基硬質(zhì)合金堆焊而成，耐磨、耐高溫，抗擦傷性能好、使用壽命長。6.閥瓣圍繞閥座外的銷軸旋轉(zhuǎn)，減少關(guān)閉時發(fā)生猛烈沖擊。7.內(nèi)裝式的銷軸結(jié)構(gòu)，減小外泄漏點，使用更可靠。美標(biāo)電站止回閥產(chǎn)品設(shè)計制造按E101和JB/T3595-93標(biāo)準(zhǔn)的規(guī)定，結(jié)構(gòu)合理，性能優(yōu)良，造型。杭州渦輪止回閥廠家</p><p style="text-indent:25px">安裝時注意介質(zhì)流動的方向應(yīng)與閥體所票箭頭方向一致。杭州渦輪止回閥廠家</p><p style="text-indent:25px">蝶式止回閥包括旋啟式止回閥和升降式止回閥。旋啟式止回閥有一介鉸鏈機構(gòu)，還有一個像門一樣的閥瓣自由地靠在傾斜的閥座表面上。為了確保閥瓣每次都能到達閥座面的合適位置，閥瓣設(shè)計在鉸鏈機構(gòu)，以便閥瓣具有足夠有旋啟空間，并使閥瓣真正的、全方面的與閥座接觸。閥瓣可以全部用金屬制成，也可以在金屬上鑲嵌皮革、橡膠、或者采用合成覆蓋面，這取決于使用性能的要求。旋啟式止回閥在完全打開的狀況下，其流體壓力幾乎不受阻礙，因此通過閥門的壓力降相對較小。升降式止回閥的閥瓣座落位于閥體上閥座密封面上。此閥門除了閥瓣可以自由地升降之外，其余部分如同截止閥一樣，流體壓力使閥瓣從閥座密封面上抬起，介質(zhì)回流導(dǎo)致閥瓣回落到閥座上，并切斷流動。根據(jù)使用條件，閥瓣可以是全金屬結(jié)構(gòu)，也可以是在閥瓣架上鑲嵌橡膠墊或橡膠環(huán)的形式。像截止閥一樣，流體通過升降式止回閥的通道也是狹窄的，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。本類閥門在管道中一般應(yīng)當(dāng)水平安裝。杭州渦輪止回閥廠家</p><p style="text-indent:25px">浙江京州閥門制造有限公司是一家閥門、泵、閥門配件制造、銷售／貨物與技術(shù)進出口。主營單向密封雙向密封刀閘閥、漿液閥、穿透式刀閘閥、礦漿閥，方閘門，電站閘閥、電站截止閥、電站止回閥。材質(zhì)包含不銹鋼，碳鋼，球鐵，灰鐵，雙相鋼，鉻鉬鋼等。的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于刀閘閥，穿透式刀閘閥，礦漿閥，漿液閥，是機械及行業(yè)設(shè)備的主力軍。浙江京州閥門不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。浙江京州閥門始終關(guān)注機械及行業(yè)設(shè)備市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: 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