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class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637343242258173828/6951216.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ptpb8rd" 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>淮南自動再循環(huán)閥怎么樣,自動再循環(huán)閥</p><p><span>***更新：</span>2021-01-30 09:16:56</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="sbnugsz" 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="xwioa8f" class="page-proshow02"><p class="title">詳細說明</p><div id="im8rtpg" class="box"><p><p style="text-indent:25px"> 自動再循環(huán)閥表現(xiàn)：自動再循環(huán)閥只在流量很低時才有回流功能，使泵冷卻，在泵正常運行時,并沒有回流，從而可節(jié)省因連續(xù)再循環(huán)所消耗的電能和水能。自動再循環(huán)閥自動回流控制閥不需要電氣配線，也不需要兩個調(diào)節(jié)閥串聯(lián)，一個用于調(diào)節(jié)，另一個用于切斷。并把高壓系統(tǒng)容易產(chǎn)生的高速流拉線和侵蝕現(xiàn)象減到少。自動再循環(huán)閥具有設計合理，運行平穩(wěn)，無噪音，壽命長等特點，淮南自動再循環(huán)閥怎么樣，可完全替代進口產(chǎn)品。閥門應垂直安裝，淮南自動再循環(huán)閥怎么樣。用途：自動再循環(huán)閥自動再循環(huán)閥安裝于鍋爐給水泵出口，淮南自動再循環(huán)閥怎么樣、對給水泵起安穩(wěn)保護作用。連續(xù)循環(huán)系統(tǒng)泵的小需求流量與系統(tǒng)的工藝流量變化無關?；茨献詣釉傺h(huán)閥怎么樣</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮南自動再循環(huán)閥怎么樣,自動再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343242258173828/6951216.png"></div><p style="text-indent:25px"> 自動再循環(huán)閥出口裝有自動再循環(huán)閥時,它會立即關閉,防止高壓水反向流回水泵。自動再循環(huán)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。自動再循環(huán)閥屬于一種自動閥門,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。自動再循環(huán)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,流動阻力比升降式自動再循環(huán)閥小,適用于低流速和流動不常變化的大口徑場合。上?；亓鏖y品牌自動再循環(huán)閥液壓驅(qū)動設備呈現(xiàn)缺點時，應找到修理人員及時找到缺點，停止修理.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮南自動再循環(huán)閥怎么樣,自動再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343243029707031/6971853.png"></div><p style="text-indent:25px"> 隨著防化學腐蝕的合成橡膠在自動再循環(huán)閥上的應用，自動再循環(huán)閥的性能得以提高。由于合成橡膠具有耐腐蝕、抗沖蝕、尺寸穩(wěn)定、回彈性好、易于成形、成本低廉等特點，并可以根據(jù)不同的使用要求選擇不同性能的合成橡膠，以滿足自動再循環(huán)閥的使用工況條件。由于聚四氟乙烯(PTFE)具有耐腐蝕性強、性能穩(wěn)定、不易老化、摩擦系數(shù)低、易于成形、尺寸穩(wěn)定，并且可以通過填充、添加適當?shù)牟牧细纳破渚C合性能，得到強度更好、摩擦系數(shù)更低的自動再循環(huán)閥密封材料，克服了合成橡膠的局限性。</p><p style="text-indent:25px"> 自動再循環(huán)閥是一種泵保護裝置。它自動對離心泵（尤其輸送熱水介質(zhì)）在低負荷運行時泵體內(nèi)可能出現(xiàn)的部分氣蝕損害和不穩(wěn)定進行保護。主路止回閥的閥桿通過一杠桿，將主閥瓣動作傳遞至旁路，旁路系統(tǒng)控制通過旁路的流量同時將壓力減至出口所需值，當主閥瓣回到閥座關閉狀態(tài)時，所有流量通過旁路（回流），當主閥瓣上升到頂端位置時，旁路則完全關閉，所有泵的流量流向工藝系統(tǒng)。自動再循環(huán)閥為自力式控制閥，不需要外部供給能源。與傳統(tǒng)的控制閥系統(tǒng)相比。自動再循環(huán)閥在完全開啟時，具有較小的流阻。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮南自動再循環(huán)閥怎么樣,自動再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343240684023437/3078406.png"></div><p style="text-indent:25px"> 通過自動再循環(huán)閥的壓力降相對較小。升降式自動再循環(huán)閥的閥瓣坐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，其余部分如同自動再循環(huán)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。像自動再循環(huán)閥一樣，流體通過升降式自動再循環(huán)閥的通道也是狹窄的，因此通過升降式自動再循環(huán)閥的壓力降比旋啟式自動再循環(huán)閥大些，而且旋啟式自動再循環(huán)閥的流量受到的限制很少。自動再循環(huán)閥只在流量很低時才有再循環(huán)，使泵冷卻。淮南自動再循環(huán)閥怎么樣</p><p style="text-indent:25px">自動再循環(huán)閥啟閉時閥桿只作旋轉(zhuǎn)運動而不作升降運行.淮南自動再循環(huán)閥怎么樣</p><p style="text-indent:25px"> 自動再循環(huán)閥是指關閉件(閥瓣)沿閥座中心線移動的閥]。根據(jù)閥瓣的這種移動形式，閥座通口的變化是與閥瓣行程成正比例關系。由于該類閥門的閥桿開啟或關閉行程相對較短，而且具有非?？煽康那袛喙δ埽钟捎陂y座通口的變化與閥瓣的行程成正比例關系，非常適合于對流量的調(diào)節(jié)。因此，這種類型的閥非常適合作為切斷或調(diào)節(jié)以及節(jié)流使用。自動再循環(huán)閥額閥瓣一旦從關閉位置移開，它的閥座和閥瓣密封面之間就不再有接觸，因而它的密封面機械磨損很小，故其密封性能是很好的?；茨献詣釉傺h(huán)閥怎么樣</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3080606.html</p></div></div></div></div></div><div id="boarxe8" class="page-right twoColRt"><div id="i2nzuqc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rv2qbip" 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 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