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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>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>宣城減溫減壓裝置公司有哪些,減溫減壓裝置</p><p><span>***更新：</span>2020-10-12 03:07:27</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="sa7of7a" 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(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="h8akpvr" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rjabcde" class="box"><p><p style="text-indent:25px">水流量通過減溫減壓裝置雖有很大的水頭損失，但由于減少了水的浪費(fèi)并使系統(tǒng)流量分布合理、改善了系統(tǒng)布局與工況，因此總體上仍是節(jié)能的。介質(zhì)為蒸汽的場合，宜選用先導(dǎo)活塞式減溫減壓裝置或先導(dǎo)閥波紋管式減溫減壓裝置。為了操作、調(diào)整和維修的方便，宣城減溫減壓裝置公司有哪些，減溫減壓裝置一般應(yīng)安裝在水平管道上。減溫減壓裝置工作原理：減溫減壓裝置是采用控制閥體內(nèi)的啟閉件的開度來調(diào)節(jié)介質(zhì)的流量，將介質(zhì)的壓力降低，同時借助閥后壓力的作用調(diào)節(jié)啟閉件的開度，使閥后壓力保持在一定范圍內(nèi)，并在閥體內(nèi)或閥后噴入冷卻水，宣城減溫減壓裝置公司有哪些，宣城減溫減壓裝置公司有哪些，將介質(zhì)的溫度降低，這種閥門稱為減壓減溫閥。減溫減壓裝置操作簡單，基本可以實(shí)現(xiàn)免維護(hù)。宣城減溫減壓裝置公司有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宣城減溫減壓裝置公司有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665574609375/7235091.png"></div><p style="text-indent:25px">減溫減壓裝置的構(gòu)造類型很多，以往常見的有薄膜式、內(nèi)彈簧活塞式等。減溫減壓裝置的基本作用原理是靠閥內(nèi)流道對水流的局部阻力降低水壓，水壓降的范圍由連接閥瓣的薄膜或活塞兩側(cè)的進(jìn)出口水壓差自動調(diào)節(jié)。近年來又出現(xiàn)一些新型減溫減壓裝置，如定比式減溫減壓裝置。定比減壓原理是利用閥體中浮動活塞的水壓比控制，進(jìn)出口端減壓比與進(jìn)出口側(cè)活塞面積比成反比。這種減溫減壓裝置工作平穩(wěn)無振動；閥體內(nèi)無彈簧，故無彈簧銹蝕、金屬疲勞失效之慮；密封性能良好不滲漏，因而既減動壓（水流動時）又減靜壓（流量為0時）；特別是在減壓的同時不影響水流量。減溫減壓裝置通常有DN50～DN100等多種規(guī)格，閥前、后的工作壓力分別為＜1MPa和0．1～0．5MPa，調(diào)壓范圍誤差為±5％～10％。寧波減溫減壓裝置品牌哪家好減溫減壓裝置安裝的位置要留有以后維護(hù)的空間。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宣城減溫減壓裝置公司有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665488730469/5001737.png"></div><p style="text-indent:25px">一般而言，減溫減壓裝置在使用前都需要進(jìn)行吹洗來處理管道內(nèi)的污漬。在行業(yè)內(nèi)，吹洗措施應(yīng)經(jīng)過相關(guān)部門的批準(zhǔn)，需符合地區(qū)相關(guān)技術(shù)安穩(wěn)的規(guī)范。蒸汽管道部分用不高于減溫減壓裝置出口蒸汽壓力的蒸汽進(jìn)行吹洗;減溫水部分管路系統(tǒng)用不高于減溫水壓力的水進(jìn)行清洗。吹掃前管道須預(yù)熱和管道疏水。為了避免蒸汽管道吹洗時的污垢和雜物進(jìn)入減溫減壓閥(或減壓閥)內(nèi)，在吹掃時應(yīng)分階段進(jìn)行。先對減溫減壓裝置前面的管路吹洗，吹洗二次以上，確認(rèn)干凈后接通減溫減壓閥(或減壓閥)。</p><p style="text-indent:25px">減溫減壓裝置選用說明：減溫減壓裝置的應(yīng)用范圍很廣，在蒸汽、壓縮空氣、工業(yè)用氣、水、油和許多其他液體介質(zhì)的設(shè)備和管路上均可使用，介質(zhì)流經(jīng)減溫減壓裝置出口處的量，一般用質(zhì)量流量或體積流量表示；波紋管直接作用式減溫減壓裝置適用于低壓、中小口徑的蒸汽介質(zhì)；薄膜直接作用式減溫減壓裝置適用于中低壓、中小口徑的空氣、水介質(zhì)；先導(dǎo)活塞式減溫減壓裝置，適用于各種壓力、各種口徑、各種溫度的蒸汽、空氣和水介質(zhì)，若用不銹耐酸鋼制造，可適用于各種腐蝕性介質(zhì)；先導(dǎo)波紋管式減溫減壓裝置，適用于低壓、中小口徑的蒸汽、空氣等介質(zhì)；減溫減壓裝置維護(hù)的成本是很低的，幾乎可以不計(jì)算。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宣城減溫減壓裝置公司有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665216318359/432501.png"></div><p style="text-indent:25px">減溫減壓裝置在使用時注意：薄膜式減溫減壓裝置，適用于低壓、中壓、中小口徑的蒸汽或水等介質(zhì)；減溫減壓裝置進(jìn)口壓力的波動應(yīng)控制在進(jìn)口壓力給定值的80%～105%，如超過該范圍，減壓前期的性能會受影響；通常減溫減壓裝置的閥后壓力應(yīng)小于閥前壓力的0.5倍；減溫減壓裝置的每一檔彈簧只在一定的出口壓力范圍內(nèi)適用，超出范圍應(yīng)更換彈簧；在介質(zhì)工作溫度比較高的場合，一般選用先導(dǎo)活塞式減溫減壓裝置或先導(dǎo)波紋管式減溫減壓裝置；介質(zhì)為空氣或水（液體）的場合，一般宜選用直接作用薄膜式減溫減壓裝置或先導(dǎo)薄膜式減溫減壓裝置；介質(zhì)為蒸汽的場合，宜選用先導(dǎo)活塞式或先導(dǎo)波紋管式減溫減壓裝置；為了操作、調(diào)整和維修的方便，減溫減壓裝置一般應(yīng)安裝在水平管道上。減溫減壓裝置其優(yōu)點(diǎn)是響應(yīng)時間快，通過反饋系統(tǒng)對速度，位置和轉(zhuǎn)矩進(jìn)行準(zhǔn)確地控制。徐州減溫減壓裝置定制</p><p style="text-indent:25px">減溫減壓裝置當(dāng)需要完成直線運(yùn)動時，需要通過齒輪等機(jī)械裝置進(jìn)行傳動。宣城減溫減壓裝置公司有哪些</p><p style="text-indent:25px">減溫減壓裝置快易優(yōu)自動化選型有收錄。該閥的特點(diǎn)，是在進(jìn)口壓力不斷變化的情況下，保持出口壓力和溫度值在一定的范圍內(nèi)。定比減壓原理是利用閥體中浮動活塞的水壓比控制，進(jìn)出口端減壓比與進(jìn)出口側(cè)活塞面積比成反比。在某些減壓控制回路中，減溫減壓裝置的出口壓力是用來控制電液換向閥或外控順序閥等的控制油液壓力大小的，當(dāng)電液換向閥或外控順序閥換向或工作后，減溫減壓裝置出油口流量變?yōu)榱悖珘毫€需保持原先調(diào)定的壓力。這種情況下，因閥出口流量為零，流經(jīng)減壓口的流量只有先導(dǎo)流量。由于先導(dǎo)流量很少，一般在2L/min之內(nèi)，因此主閥減壓口基本上接近全關(guān)位置（開度極?。?，先導(dǎo)流量由三角槽或斜錐面處流出，如果主閥芯配合過松或磨損過大，則泄漏量增加。宣城減溫減壓裝置公司有哪些</p><p style="text-indent:25px">上海大田閥門管道工程有限公司主要經(jīng)營范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場口碑。公司業(yè)務(wù)分為調(diào)節(jié)閥，自動再循環(huán)閥，減溫減壓裝置，閘閥等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。大田閥門立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1518001.html</p></div></div></div></div></div><div id="mklsoaw" class="page-right twoColRt"><div id="ibykrse" class="box01 margin10 clearfix"><h3><a 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