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href="http://www.cdcfah.com/cp/third-famenmp_fatinw/">閥體</a>?蘇州自動(dòng)再循環(huán)閥公司有哪些服務(wù)至上上海大田閥門(mén)管道工程供應(yīng)</p><div id="lfx88mx" class="leftbox clearfix"><h1>蘇州自動(dòng)再循環(huán)閥公司有哪些服務(wù)至上上海大田閥門(mén)管道工程供應(yīng)</h1><div id="vvxumyv" class="proBig"><div id="n8xewdp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637343242524921875/2014207.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="t9v8r7n" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637343242524921875/2014207.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bhj8ury" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>蘇州自動(dòng)再循環(huán)閥公司有哪些,自動(dòng)再循環(huán)閥</p><p><span>***更新：</span>2021-02-06 06:12:40</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="y9ldkm8" 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(mén)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(jī): </span>21-68106370</p><p><span>地址: </span>祝橋鎮(zhèn)工業(yè)城</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="w1tfmj8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="itvnkrt" class="box"><p><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥特點(diǎn)：防氣蝕多級(jí)減壓旁路，降低流速，適用于高壓工況；鍛造閥體，可選用碳鋼或不銹鋼材質(zhì)等；標(biāo)準(zhǔn)型旁路帶止回功能，大工作壓差至30MPa；壓力等級(jí)PN16-PN420，蘇州自動(dòng)再循環(huán)閥公司有哪些，口徑DN25-DN500；可選擇增加手動(dòng)旁路操作功能，以備故障時(shí)使用。自動(dòng)再循環(huán)閥工作原理：旁路多級(jí)減壓：旁路控制系統(tǒng)能低噪音小磨損的把回流介質(zhì)從泵出口的高壓減至適宜回流存儲(chǔ)裝置中的低壓，蘇州自動(dòng)再循環(huán)閥公司有哪些。止回：自動(dòng)再循環(huán)閥還具有止回閥的作用，防止液體回流到泵體中。標(biāo)準(zhǔn)型旁路帶止回功能，蘇州自動(dòng)再循環(huán)閥公司有哪些。其它旁路尺寸可按要求制作；大的旁路流量取決于大的Kv值。自動(dòng)再循環(huán)閥的適用性是比較強(qiáng)的，可以適應(yīng)多個(gè)場(chǎng)景的工作.蘇州自動(dòng)再循環(huán)閥公司有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州自動(dòng)再循環(huán)閥公司有哪些,自動(dòng)再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343242524921875/2014207.png"></div><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥具有以下明顯優(yōu)勢(shì)：在前期產(chǎn)品采購(gòu)、安裝調(diào)試，以及后期的維護(hù)方面，具有明顯的成本優(yōu)勢(shì)，總體費(fèi)用比傳統(tǒng)控制閥系統(tǒng)低2/3；旁路流量可調(diào)節(jié)控制，閥門(mén)整體運(yùn)行具有高經(jīng)濟(jì)性；完全機(jī)械結(jié)構(gòu)，依靠流量控制閥門(mén)，不需要額外的能源。實(shí)現(xiàn)泵的保護(hù)只只只需一個(gè)閥，不需其他額外組件。因此不受系統(tǒng)故障影響。自動(dòng)再循環(huán)閥主要用途是什么？自動(dòng)再循環(huán)閥主要安裝在離心泵的出口處，作用是當(dāng)離心泵出口流量低于小流量時(shí)，自動(dòng)再循環(huán)閥旁路打開(kāi)，將泵設(shè)計(jì)的小流量經(jīng)旁路回流至泵吸入設(shè)備，避免離心泵因過(guò)熱，汽蝕導(dǎo)致?lián)p壞。上海自動(dòng)回流閥什么品牌比較好自動(dòng)再循環(huán)閥不受系統(tǒng)故障影響。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州自動(dòng)再循環(huán)閥公司有哪些,自動(dòng)再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343241264736328/8875293.png"></div><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥還可用于給其中的壓力可能升至超過(guò)系統(tǒng)壓的輔助系統(tǒng)提供補(bǔ)給的管路上。自動(dòng)再循環(huán)閥主要可分為旋啟式自動(dòng)再循環(huán)閥（依重心旋轉(zhuǎn)）與升降式自動(dòng)再循環(huán)閥（沿軸線移動(dòng)）。自動(dòng)再循環(huán)閥這種類(lèi)型的閥門(mén)的作用是只允許介質(zhì)向一個(gè)方向流動(dòng)，而且阻止反方向流動(dòng)。通常這種閥門(mén)是自動(dòng)工作的，在一個(gè)方向流動(dòng)的流體壓力作用下，閥瓣打開(kāi)；流體反方向流動(dòng)時(shí)，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(dòng)。其中自動(dòng)再循環(huán)閥就屬于這種類(lèi)型的閥門(mén)。</p><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥是一種泵保護(hù)裝置。它自動(dòng)對(duì)離心泵（尤其輸送熱水介質(zhì)）在低負(fù)荷運(yùn)行時(shí)泵體內(nèi)可能出現(xiàn)的部分氣蝕損害和不穩(wěn)定進(jìn)行保護(hù)。主路止回閥的閥桿通過(guò)一杠桿，將主閥瓣動(dòng)作傳遞至旁路，旁路系統(tǒng)控制通過(guò)旁路的流量同時(shí)將壓力減至出口所需值，當(dāng)主閥瓣回到閥座關(guān)閉狀態(tài)時(shí)，所有流量通過(guò)旁路（回流），當(dāng)主閥瓣上升到頂端位置時(shí)，旁路則完全關(guān)閉，所有泵的流量流向工藝系統(tǒng)。自動(dòng)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。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(wú)關(guān)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州自動(dòng)再循環(huán)閥公司有哪些,自動(dòng)再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343242258173828/6951216.png"></div><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥封閉后，因?yàn)榻橘|(zhì)或環(huán)境溫度的變化，自動(dòng)再循環(huán)閥部件的熱膨脹會(huì)使閘板和閥座之間的壓力變大，反映到閥桿螺母上，就為再此開(kāi)啟自動(dòng)再循環(huán)閥帶來(lái)難題。所以，開(kāi)啟自動(dòng)再循環(huán)閥所需的力矩比封閉自動(dòng)再循環(huán)閥所需的力矩大，此外，對(duì)于一對(duì)互相接觸的密封面來(lái)說(shuō)，它們之間的靜摩擦系數(shù)也比動(dòng)摩擦系數(shù)大，要使它們從靜止?fàn)顟B(tài)產(chǎn)生相對(duì)運(yùn)動(dòng)，需施加較大的力以克服靜摩擦力；因?yàn)闇囟茸兓姑芊饷骈g的壓力變大，需要克服的靜摩擦力也隨之變大，從而使開(kāi)啟自動(dòng)再循環(huán)閥時(shí)，對(duì)閥桿螺母上施加的力矩有時(shí)會(huì)增大良多。對(duì)夾式自動(dòng)再循環(huán)閥是用雙頭螺栓將閥門(mén)銜接在兩管道法蘭之間.江蘇三通回流閥哪家專(zhuān)業(yè)</p><p style="text-indent:25px">自動(dòng)再循環(huán)閥可將閥前管路較高的水壓減少至閥后管路所需的水平.蘇州自動(dòng)再循環(huán)閥公司有哪些</p><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥旁路止回功能，自動(dòng)再循環(huán)閥廠家可以為旁路提供止回功能但會(huì)增加成本，因此需核算是自動(dòng)再循環(huán)閥內(nèi)置止回閥還是旁路管線單獨(dú)安裝止回閥。自動(dòng)再循環(huán)閥材質(zhì)，閥門(mén)材質(zhì)原則上不能低于泵出口管等級(jí)要求的材質(zhì)，對(duì)輸送腐蝕性物料的情況，還需廠家對(duì)閥門(mén)內(nèi)件做相應(yīng)處理。自動(dòng)循環(huán)閥是自行的，不需要人工操作。自動(dòng)再循環(huán)閥又稱(chēng)自動(dòng)再循環(huán)閥或小流量閥，用于離心泵小流量的自動(dòng)再循環(huán)，防止離心泵在低負(fù)載下由于過(guò)熱，噪音、振動(dòng)帶來(lái)的損壞。蘇州自動(dòng)再循環(huán)閥公司有哪些</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3188967.html</p></div></div></div></div></div><div id="ya37jq8" class="page-right twoColRt"><div id="3hl3w2s" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xzlsuls" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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