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id="yhe2vhg" class="leftbox clearfix"><h1>油溫控制閥歡迎咨詢(xún) 銳銓供</h1><div id="3lczdkb" class="proBig"><div id="qk8urtv" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637381804554677735/3906653.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lf7gxjl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637381804554677735/3906653.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oiprbco" 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>油溫控制閥,油溫控制閥</p><p><span>***更新：</span>2020-12-01 09:00:45</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="ramyseq" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海銳銓機(jī)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(huà): </span>13918994917</p><p><span>傳真: </span>021_61492341</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-61492341</p><p><span>地址: </span>環(huán)林東路799弄9號(hào)1層B142室</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="jypwdfh" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3suwtf2" class="box"><p><p> 隨著中國(guó)工業(yè)的迅速發(fā)展，電動(dòng)調(diào)節(jié)閥在冶金、石油化工等領(lǐng)域的應(yīng)用越來(lái)越普遍，其穩(wěn)定性、可靠性也顯得越來(lái)越重要，它的工作狀態(tài)的好壞將直接影響自動(dòng)控制過(guò)程，本文將詳細(xì)闡述電動(dòng)調(diào)節(jié)閥的使用和維修。 </p> <p> 電子式電動(dòng)單座調(diào)節(jié)閥，是由直行程全電子式電動(dòng)執(zhí)行機(jī)構(gòu)和頂導(dǎo)向式直通低流阻單座閥組成。具有結(jié)構(gòu)緊湊、重量輕、動(dòng)作靈敏，油溫控制閥、流體通道呈S流線(xiàn)型、壓降損失小、閥容量大、流量特性精確，油溫控制閥，直接接受調(diào)節(jié)儀表輸入的（4-20mA DC 0-10mA DC或1-5V DC）等控制信號(hào)及單相電源即可控制運(yùn)轉(zhuǎn)，實(shí)現(xiàn)對(duì)工藝管路流體介質(zhì)的自動(dòng)調(diào)節(jié)控制，普遍應(yīng)用于精確控氣體、液體、蒸汽等介質(zhì)的工藝參數(shù)如壓力、流量，油溫控制閥、溫度、液位等參數(shù)保持在給定值。 FPE溫控閥的標(biāo)準(zhǔn)閥體材料為鋁和灰鐵，球墨鑄鐵、銅、鋼和不銹鋼為可選材質(zhì)。油溫控制閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="油溫控制閥,油溫控制閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637381804554677735/3906653.png"></div><p> 2.電動(dòng)溫控閥 </p> <p> 電動(dòng)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(shí)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(dòng)機(jī)械式和電動(dòng)液壓式，帶有手動(dòng)和自動(dòng)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(xiàn)性等百分比）。電動(dòng)液壓式執(zhí)行器帶斷電自動(dòng)復(fù)位保護(hù)功能，可接收 0-10V或4-20MA的信號(hào)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、熱油、和蒸汽的調(diào)節(jié)線(xiàn)性好，可調(diào)比大，密封嚴(yán)密，耐高溫，防汽蝕油溫控制閥電動(dòng)三通調(diào)節(jié)閥的氣開(kāi)和氣關(guān)只能通過(guò)選擇執(zhí)行機(jī)構(gòu)的正作用和反作用來(lái)實(shí)現(xiàn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="油溫控制閥,油溫控制閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637381804549589844/1969013.png"></div><p> 相對(duì)行程和相對(duì)流量間的關(guān)系稱(chēng)為溫控閥的流量特性，即：G/Gmax=f（l）。它們之間的關(guān)系表現(xiàn)為線(xiàn)性特性、快開(kāi)特性、等百分比特性、拋物線(xiàn)特性等幾種特性曲線(xiàn)。對(duì)散熱器而言，從水利穩(wěn)定性和熱力是調(diào)度角度講，散熱量與流量的關(guān)系表現(xiàn)為一簇上拋的曲線(xiàn)，隨著流量G的增加，散熱量Q逐漸趨于飽和。為使系統(tǒng)具有良好的調(diào)節(jié)特性，易于采用等百分比流量特性的調(diào)節(jié)閥以補(bǔ)償散熱器自身非線(xiàn)性的影響（1）。閥權(quán)度對(duì)調(diào)節(jié)特性的影響?？烧{(diào)比R為溫控閥所能控制的比較大流量與比較小流量之比：R=Gmax/GminGmax為溫控閥全開(kāi)時(shí)的流量，也可看作是散熱器的設(shè)計(jì)流量；Gmin則隨溫控閥閥權(quán)度大小而變化。在散熱器系統(tǒng)中，由于溫控閥與散熱器為串聯(lián)，故可調(diào)節(jié)比R與閥權(quán)度的關(guān)系為：R=Rmax（2）以某型號(hào)的溫控閥和散熱器為例，散熱器的流通能力為5m3/h,溫控閥的閥權(quán)度為88%，實(shí)際可調(diào)比為28，對(duì)應(yīng)的流量可調(diào)節(jié)范圍****-4%。散熱器在不同進(jìn)出口溫差下散熱量的實(shí)際可調(diào)節(jié)范圍見(jiàn)表。進(jìn)出口溫度差（℃）可調(diào)節(jié)范圍（%）100~100~100~100~100~28由表可知，當(dāng)散熱器進(jìn)出口溫差較小時(shí)，散熱量的實(shí)際可調(diào)節(jié)范圍也見(jiàn)小。但散熱器進(jìn)出口溫差小于10℃時(shí)，溫控閥的比較小可調(diào)節(jié)散熱量約為標(biāo)準(zhǔn)散熱量的20%。</p><p style="text-indent:25px">由于安裝在換熱器前的三通閥內(nèi)流過(guò)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(guò)的流體有不同的溫度，對(duì)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(guò)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。因此，可**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(shí)，仍有較大的不平衡力，而且，隨閥門(mén)開(kāi)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(yùn)行。由于電動(dòng)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(chǎng)合，可采用兩個(gè)控制閥(和二通接管)進(jìn)行流體的分流，或合流，或進(jìn)行流體的配比控制。油溫控制閥優(yōu)勢(shì)：不銹鋼恒溫元件，溫度控制精確，使用壽命長(zhǎng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="油溫控制閥,油溫控制閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637381804551855469/6543281.png"></div><p style="text-indent:25px">溫控閥有二通溫控閥和三通溫控閥之分。三通溫控閥主要用于帶有跨越管的單管系統(tǒng)，其分流系數(shù)可以在0～***的范圍內(nèi)變動(dòng)，流量調(diào)節(jié)余地大，但價(jià)格比較貴，結(jié)構(gòu)較復(fù)雜。二通溫控閥有的用于雙管系統(tǒng)，有的用于單管系統(tǒng)。用于雙管系統(tǒng)的二通溫控閥阻力較大；用于單管系統(tǒng)的阻力較小。溫控閥的感溫包與閥體一般組裝成一個(gè)整體，感溫包本身即是現(xiàn)場(chǎng)室內(nèi)溫度傳感器。如果需要，可以采用遠(yuǎn)程溫度傳感器；遠(yuǎn)程溫度傳感器置于要求控溫的房間，閥體置于供暖系統(tǒng)上的某一部位。電動(dòng)溫控閥是在暖通空調(diào)等溫度控制領(lǐng)域的典型應(yīng)用。南京利永達(dá)油溫控制閥誠(chéng)信推薦</p><p style="text-indent:25px">可選連接方式：NPT，SAE標(biāo)準(zhǔn)螺紋加O型密封圈，ANSI 125lb FF法蘭，ANSI 150lb RF法蘭，ANSI 300lb RF法蘭。油溫控制閥</p><p> 對(duì)于安裝在干管上起切斷作用的閉路閥門(mén)，應(yīng)逐個(gè)作強(qiáng)度和嚴(yán)密性的實(shí)驗(yàn)。第二點(diǎn)就是對(duì)于設(shè)計(jì)沒(méi)有要求的情況的試驗(yàn)。當(dāng)設(shè)計(jì)有沒(méi)有要求閥門(mén)的強(qiáng)度和嚴(yán)密性試驗(yàn)，應(yīng)該按以下規(guī)定來(lái)進(jìn)行。閥門(mén)的強(qiáng)度試驗(yàn)，壓力為公稱(chēng)壓力的，嚴(yán)密性試驗(yàn)壓力為公稱(chēng)壓力的，試驗(yàn)壓力在試驗(yàn)持續(xù)時(shí)間內(nèi)不變，并且殼體填料及閥瓣密封面沒(méi)有滲漏。第三點(diǎn)我們來(lái)看一下各種閥門(mén)**短的試驗(yàn)持續(xù)時(shí)間的具體要求。***種情況是金屬密封的閥門(mén)，嚴(yán)密性試驗(yàn)的具體要求是直徑小于等于50mm時(shí)，不得小于15秒；直徑為60mm到200mm時(shí)，時(shí)間不得小于30秒；直徑為250mm到450mm時(shí)，時(shí)間不得小于60秒。另外對(duì)非金屬材料的閥門(mén)，對(duì)應(yīng)以上的規(guī)格是15秒，15秒和30秒。此外就是強(qiáng)度試驗(yàn)的要求方面，直徑小于等于50mm時(shí)不得小于15秒；它們直徑為60到200mm時(shí)，不得小于60秒；閥門(mén)直徑為250mm到450mm時(shí)，不得小180秒。油溫控制閥</p><p style="text-indent:25px">上海銳銓機(jī)電設(shè)備有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。上海銳銓作為目前FPE溫控閥，已成功配套客戶(hù)有：IR英格索蘭、GD登福、QUINCY昆西、SULLAIR壽力、AC阿特拉斯、CAMERON卡麥龍、復(fù)盛、KAISHAN開(kāi)山、CAT卡特彼勒、WAUKESHA瓦克莎、YORK約克、 GE通用電氣、YANMAR洋馬、CUMMINS康明斯。的企業(yè)之一，為客戶(hù)提供良好的FPE溫控閥，AMOT溫控閥，進(jìn)口溫控閥，CALTHERM。上海銳銓不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶(hù)創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。上海銳銓始終關(guān)注機(jī)械及行業(yè)設(shè)備市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶(hù)的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2221289.html</p></div></div></div></div></div><div id="7egyfwy" class="page-right twoColRt"><div id="3myfmtf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pjls38s" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="apwtfh8" class="recomPic likePro"><a 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