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tcPro"><section class="home-main container clearfix"><div id="3e2yk2o" class="twoCol"><div id="67hfxw7" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenti_hxffp/">換向閥</a>?約克油溫控制閥誠信推薦服務(wù)至上銳銓供</p><div id="mulc5pv" class="leftbox clearfix"><h1>約克油溫控制閥誠信推薦服務(wù)至上銳銓供</h1><div id="vt8mnzn" class="proBig"><div id="uizaea2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637381804570380860/3358227.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="anoveby" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637381804570380860/3358227.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="i8zl3fq" 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(guān)鍵詞：</span>約克油溫控制閥誠信推薦,油溫控制閥</p><p><span>***更新：</span>2020-12-23 06:00:42</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="bz3hdzv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海銳銓機電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>李恬</p><p><span>郵箱: </span>roltran@163.com</p><p><span>電話: </span>13918994917</p><p><span>傳真: </span>021_61492341</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-61492341</p><p><span>地址: </span>環(huán)林東路799弄9號1層B142室</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="qo7xoaw" class="page-proshow02"><p class="title">詳細說明</p><div id="b3jkyjk" class="box"><p><p> 2.電動溫控閥 </p> <p> 電動溫控閥是在暖通空調(diào)等溫度控制領(lǐng)域的典型應(yīng)用。控制器具有PI、PID調(diào)節(jié)功能，控制精確，多回路控制，功能多樣，可實現(xiàn)流體流量、壓力、壓差、溫度、濕度、焓值和空氣質(zhì)量的控制。執(zhí)行器有電動機械式和電動液壓式，帶有手動和自動調(diào)節(jié)功能，調(diào)節(jié)靈敏，關(guān)斷力大，流量特性可調(diào)（線性等百分比）。電動液壓式執(zhí)行器帶斷電自動復(fù)位保護功能，可接收 0-10V或4-20MA的信號并帶有閥位反饋功能。閥體為流量調(diào)節(jié)閥，適用于循環(huán)管路冷凍水、低壓熱水、生活熱水、高壓熱水、海水，約克油溫控制閥誠信推薦、熱油、和蒸汽的調(diào)節(jié)線性好，約克油溫控制閥誠信推薦，約克油溫控制閥誠信推薦，可調(diào)比大，密封嚴密，耐高溫，防汽蝕當溫控閥應(yīng)用于分流時，啟動時全部流體均不經(jīng)過冷卻器。約克油溫控制閥誠信推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="約克油溫控制閥誠信推薦,油溫控制閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637381804570380860/3358227.png"></div><p> 汽輪機潤滑油系統(tǒng)的油溫控制則是保證機組安全、穩(wěn)定運行的關(guān)鍵。傳統(tǒng)的汽輪機潤滑油系統(tǒng)的油溫控制，基本上采用冷油器冷卻，由運行操作人員進行人工調(diào)試，不僅勞動強度大，而且調(diào)節(jié)難度大，潤滑油的溫度波動大；尤其在機組參加調(diào)峰或啟、停時，調(diào)節(jié)難度更大。 </p> <p> <br /> </p> <p> 本實用新型的目的是提供一種結(jié)構(gòu)合理，可以自動實現(xiàn)溫控，且溫控效果好的新型汽輪機油溫控制閥。 </p> <p> <br /> </p> <p> 本實用新型的目的是這樣實現(xiàn)的它包括閥罩和閥芯，其特征是閥芯由熱油入口筒、固定筒環(huán)及感溫元件包三部分組成，固定筒環(huán)與感溫元件包通過閥軸套筒固接，閥軸套筒外滑動連接底托環(huán)，底托環(huán)與固定筒環(huán)之間設(shè)有復(fù)位彈簧，閥軸套筒內(nèi)滑動連接閥桿，閥桿的下端與感溫元件包相連，上端固定有熱油入口筒，閥桿與固定筒環(huán)相切部位設(shè)有臺階，其上由限位彈簧固定上擋板，上擋板與底托環(huán)通過拉桿連為一體；固定筒環(huán)與熱油入口筒的下緣共同組成閥芯的冷油入口；閥芯由固定筒環(huán)固定于閥罩中部，閥罩的殼體上設(shè)有冷、熱油入口，其內(nèi)設(shè)有封閉冷、熱油腔分別與閥芯的冷油入口和熱油入口筒的筒口相連；閥罩的下部為帶有出油口的出油腔。約克油溫控制閥誠信推薦二通溫控閥有的用于雙管系統(tǒng)，有的用于單管系統(tǒng)。</p> <span style="display:none;"></span><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="約克油溫控制閥誠信推薦,油溫控制閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637381804540654297/6705523.png"></div><p> 應(yīng)該按如下原則安：（1）對于單管順流的戶內(nèi)系統(tǒng)，一個溫控閥應(yīng)該裝在該戶內(nèi)系統(tǒng)比較末端房間的散熱器上；（2）對于帶跨越管的單管戶內(nèi)系統(tǒng)，一個溫控閥應(yīng)裝在戶內(nèi)系統(tǒng)的入口供水管或回水管上，該溫控閥的遠程溫度傳感器需放在戶內(nèi)系統(tǒng)比較末端房間里；（3）對于舊建筑的上分式單管順流系統(tǒng)，每根立管的一個溫控閥，應(yīng)裝在比較底層房間的散熱器上，此時，供熱量應(yīng)采用熱量分配器計量。應(yīng)該指出：這種溫控閥的使用方法，其優(yōu)點是既提高了供暖系統(tǒng)的調(diào)節(jié)性能，又能減少工程的初投資；其缺點是每戶各房間的室溫為同一標準，不能隨心所欲的進行調(diào)節(jié)。。雙管系統(tǒng)的垂直失調(diào)，是由于自然循環(huán)作用壓頭的變化引起系統(tǒng)流量變化而產(chǎn)生的。這種系統(tǒng)，比較理想的方案是在每個散熱器上都裝溫控閥。一些房地產(chǎn)開發(fā)商不愿意增加投資，取消了所有的溫控閥，盡管在戶內(nèi)系統(tǒng)中，不會出現(xiàn)嚴重失調(diào)現(xiàn)象，但必然導(dǎo)致樓內(nèi)各層之間的垂直失調(diào)。在工程實踐中，也證明了這一點。為降低造價，又不影響供暖系統(tǒng)的調(diào)節(jié)功能，在雙管戶內(nèi)系統(tǒng)中，在戶內(nèi)入口處裝置一個溫控閥，其遠程溫度傳感器可放置任何房間。這一方案，雖然每房間的室溫調(diào)節(jié)缺乏靈活性，但卻改善了樓內(nèi)各層之間的冷熱不均。</p><p> 安裝注意事項新設(shè)計、安裝的控制系統(tǒng)，為了確保調(diào)節(jié)閥在開車時能正常工作，并使系統(tǒng)安全運行，新閥在安裝之前，應(yīng)首先檢查閥上的銘牌標記是否與設(shè)計要求相符。同時還應(yīng)對以下項目進行調(diào)試?；菊`差限；全行程偏差；回差；死區(qū)；泄漏量（在要求嚴格的場合時進行）。如果是對原系統(tǒng)中調(diào)節(jié)閥進行了大修，除了對上述各項進行校驗外，還應(yīng)對舊閥的填料函和連接處等部位進行密封性檢查。在現(xiàn)場使用中，很多往往不是因為調(diào)節(jié)閥本身質(zhì)量所引起，而是對調(diào)節(jié)閥的安裝使用不當所造成，如安裝環(huán)境、安裝位置及方向不當或者是管路不清潔等原因所致。因此電動調(diào)節(jié)閥在安裝使用時要注意以下幾方面：⑴調(diào)節(jié)閥屬于現(xiàn)場儀表，要求環(huán)境溫度應(yīng)在－25～60℃范圍，相對濕度≤95%。如果是安裝在露天或高溫場合，應(yīng)采取防水、降溫措施。在有震源的地方要遠離振源或增加防振措施。⑵調(diào)節(jié)閥一般應(yīng)垂直安裝，特殊情況下可以傾斜，如傾斜角度很大或者閥本身自重太大時對閥應(yīng)增加支承件保護。⑶安裝調(diào)節(jié)閥的管道一般不要離地面或地板太高，在管道高度大于2m時應(yīng)盡量設(shè)置平臺，以利于操作手輪和便于進行維修。⑷調(diào)節(jié)閥安裝前應(yīng)對管路進行清洗，排除污物和焊渣。安裝后，為保證不使雜質(zhì)殘留在閥體內(nèi)。 </p> <p> 三通溫控閥主要用于帶有跨越管的單管系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="約克油溫控制閥誠信推薦,油溫控制閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637381805622441406/2370653.png"></div><p> 工作原理 </p> <p> 工作電源：DC24V,AC220V,AC380V等電壓等級。 </p> <p> 輸入控制信號：DC4-20MA或者DC1-5V。 </p> <p> 反饋控制信號：DC4-20MA（負載電阻礙500歐姆以下） </p> <p> 通過接收工業(yè)自動化控制系統(tǒng)的信號（如：4~20mA）來驅(qū)動閥門改變閥芯和閥座之間的截面積大小控制管道介質(zhì)的流量、溫度、壓力等工藝參數(shù)。實現(xiàn)自動化調(diào)節(jié)功能。 </p> <p> 新型電動調(diào)節(jié)閥執(zhí)行器內(nèi)含飼服功能，接受統(tǒng)一的4-20mA或1-5V·DC的標準信號，將電流信號轉(zhuǎn)變成相對應(yīng)的直線位移，自動地控制調(diào)節(jié)閥開度，達到對管道內(nèi)流體的壓力、流量、溫度、液位等工藝參數(shù)的連續(xù)調(diào)節(jié)。 </p> <p> <br /> </p> <p> 流量特性 </p> <p> 電動調(diào)節(jié)閥的流量特性，是在閥兩端壓差保持恒定的條件下，介質(zhì)流經(jīng)電動調(diào)節(jié)閥的相對流量與它的開度之間關(guān)系。 </p> <p> 電動調(diào)節(jié)閥的流量特性有：線性特性，等百分比特性及拋物線特性三種。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 應(yīng)用領(lǐng)域 </p> <p> <br /> </p> <p> 電力、化工、冶金、環(huán)保、水處理、輕工、建材等工業(yè)自動化系統(tǒng)領(lǐng)域。油溫控制閥優(yōu)勢：優(yōu)化的流道設(shè)計，閥門牢固可靠。約克油溫控制閥誠信推薦</p><p style="text-indent:25px">油溫控制閥優(yōu)勢：安裝方向無限制，使用方便。約克油溫控制閥誠信推薦</p><p> 閥安裝在換熱器后時，采用合流電動三通調(diào)節(jié)閥。由于安裝在換熱器前的三通閥內(nèi)流過的流體有相同溫度，因此，泄漏量較??；安裝在換熱器后的三通閥內(nèi)流過的流體有不同的溫度，對閥芯和閥座的膨脹程度不同，因此，泄漏量較大。通常，兩股流體的溫度差不宜超過150℃。采用閥籠結(jié)構(gòu)的三通調(diào)節(jié)閥，帶平衡孔，采用閥籠導(dǎo)向。 </p> <p> <br /> </p> <p> 因此，可有效降低不平衡力。早期的三通調(diào)節(jié)閥采用圓筒薄壁窗口，用閥芯側(cè)面導(dǎo)向，雖然可減小不平衡力，但在一股流體接近關(guān)閉(流關(guān)流向)時，仍有較大的不平衡力，而且，隨閥門開度的變化，不平衡力變化，采用帶平衡孔的閥籠結(jié)構(gòu)，可使不平衡力消除，并有阻尼作用，有利于控制閥的穩(wěn)定運行。由于電動三通調(diào)節(jié)閥的泄漏量較大，在需要泄漏量小的應(yīng)用場合，可采用兩個控制閥(和二通接管)進行流體的分流，或合流，或進行流體的配比控制。約克油溫控制閥誠信推薦</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2524110.html</p></div></div></div></div></div><div id="pd88evh" class="page-right twoColRt"><div id="jxokmie" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sbcozlm" 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(yīng)" class="vcenter" 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