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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kog2q2g" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363666331748047/3049921.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7s7ldah" 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>靜安區(qū)減溫減壓裝置生產(chǎn)廠家有哪些,減溫減壓裝置</p><p><span>***更新：</span>2020-12-09 01:14:38</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="9eo37rj" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="jdfh38l" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rpheb7x" class="box"><p><p style="text-indent:25px">水流量通過(guò)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(chǎng)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，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(kāi)度來(lái)調(diào)節(jié)介質(zhì)的流量，靜安區(qū)減溫減壓裝置生產(chǎn)廠家有哪些，將介質(zhì)的壓力降低，同時(shí)借助閥后壓力的作用調(diào)節(jié)啟閉件的開(kāi)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，將介質(zhì)的溫度降低，靜安區(qū)減溫減壓裝置生產(chǎn)廠家有哪些，靜安區(qū)減溫減壓裝置生產(chǎn)廠家有哪些，這種閥門(mén)稱(chēng)為減壓減溫閥。如果水質(zhì)不清潔，含有一些雜質(zhì)，必須在減溫減壓裝置的上游進(jìn)水口安裝過(guò)濾器。靜安區(qū)減溫減壓裝置生產(chǎn)廠家有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="靜安區(qū)減溫減壓裝置生產(chǎn)廠家有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666331748047/3049921.png"></div><p style="text-indent:25px">減溫減壓裝置升壓過(guò)程中，對(duì)沖量式安全閥必須進(jìn)行整定壓力校驗(yàn)。當(dāng)壓力升高到管道內(nèi)額定壓力的50%時(shí)，將沖量式安全閥的杠桿向上抬起，檢查主安全閥開(kāi)啟和關(guān)閉動(dòng)作是否靈敏，當(dāng)蒸汽壓力達(dá)到規(guī)定的安全閥整定壓力時(shí)，固定并鎖緊重錘。此時(shí)，沖量安全閥應(yīng)再動(dòng)作一次，檢查其整定壓力是否正常，主安全閥動(dòng)作是否靈敏，有無(wú)卡阻現(xiàn)象。然后對(duì)重錘和杠桿加以鉛封或加鎖。若蒸汽管道上裝設(shè)彈簧安全閥，須對(duì)彈簧安全閥作整定壓力、回座壓力試驗(yàn)，檢查其整定壓力是否正常，動(dòng)作是否靈敏，有無(wú)卡阻現(xiàn)象。達(dá)到要求后，再對(duì)安全閥加以鉛封。六安減溫減壓裝置供應(yīng)商有哪些減溫減壓裝置適用于要求有較大推力的場(chǎng)合；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="靜安區(qū)減溫減壓裝置生產(chǎn)廠家有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665379863281/3223254.png"></div><p style="text-indent:25px">減溫減壓裝置的構(gòu)造類(lèi)型很多，以往常見(jiàn)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(duì)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(dòng)調(diào)節(jié)。近年來(lái)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(dòng)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(wú)振動(dòng)；閥體內(nèi)無(wú)彈簧，故無(wú)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(dòng)壓（水流動(dòng)時(shí)）又減靜壓（流量為0時(shí)）；特別是在減壓的同時(shí)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％。</p><p style="text-indent:25px">減溫減壓裝置采用減壓閥結(jié)構(gòu)，在同一閥中進(jìn)行蒸汽減壓，縮短了整個(gè)裝置的長(zhǎng)度，減少了占地面積，減少了工程投資。減壓閥的流量特性：線(xiàn)性或修正百分比特性曲線(xiàn)可在全沖程范圍內(nèi)精確控制，以確保二次蒸汽在額定輸出的10?100%范圍內(nèi)，以穩(wěn)定運(yùn)行設(shè)備很長(zhǎng)一段時(shí)間。泄漏等級(jí)：IV級(jí)。溫度給水調(diào)節(jié)系統(tǒng)采用直行程高壓差控制閥，可以合理分配給水系統(tǒng)的壓差。相同口徑的高壓差動(dòng)給水控制閥具有不同的流量系數(shù)Cv值可供選擇，這使得溫度調(diào)節(jié)系統(tǒng)的調(diào)節(jié)靈敏度和調(diào)節(jié)精度提高。減溫減壓裝置應(yīng)先測(cè)量閥門(mén)扭矩，并且扭矩不得超過(guò)要求的扭矩。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="靜安區(qū)減溫減壓裝置生產(chǎn)廠家有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665488730469/5001737.png"></div><p style="text-indent:25px">減溫減壓裝置在使用過(guò)程中的熱電聯(lián)產(chǎn)網(wǎng)絡(luò)可以提供區(qū)域供熱。發(fā)電廠或工業(yè)鍋爐和火力發(fā)電廠。換熱站或熱交換器的蒸汽入口。溴化鋰制冷單元的蒸汽驅(qū)動(dòng)入口。減溫減壓裝置主要用于石油化工，紡織，造紙，制藥，食品和其他生產(chǎn)過(guò)程的動(dòng)力和熱量。減溫減壓裝置的主要性能指標(biāo)：進(jìn)汽壓力，中溫和中壓：P1 <3.82 MPa，溫度：T1 <450°C。亞高溫高壓：P1 <5.4Mpa，溫度：T1 <485°C。減壓裝置的溫度和出口流量Q在10%Q至100%Q的范圍內(nèi)，并且期望在該范圍內(nèi)進(jìn)行調(diào)節(jié)。如果有特殊要求。出口蒸汽溫度T2的調(diào)節(jié)精度不低于2.5級(jí)。當(dāng)設(shè)備正常工作時(shí)，冷卻減壓閥下游一米處和距管壁一米處的噪聲不應(yīng)超過(guò)85分貝。適用介質(zhì)：水，適用溫度：0℃?80℃，出口蒸汽壓力P2，出口蒸汽壓力P2的調(diào)節(jié)精度不小于2.5。閘閥應(yīng)安裝在設(shè)備的入口處，以便打開(kāi)和關(guān)閉。靜安區(qū)減溫減壓裝置多少錢(qián)</p><p style="text-indent:25px">減壓系統(tǒng)采用雙閥座減壓閥結(jié)構(gòu)，不平衡力小，調(diào)節(jié)范圍大，動(dòng)作平穩(wěn)，無(wú)卡阻現(xiàn)象。靜安區(qū)減溫減壓裝置生產(chǎn)廠家有哪些</p><p style="text-indent:25px">先導(dǎo)式減溫減壓裝置當(dāng)減溫減壓裝置的輸出壓力較高或通徑較大時(shí)，用調(diào)壓彈簧直接調(diào)壓，則彈簧剛度必然過(guò)大，流量變化時(shí)，輸出壓力波動(dòng)較大，閥的結(jié)構(gòu)尺寸也將增大。為了克服這些缺點(diǎn)，可采用先導(dǎo)式減溫減壓裝置。先導(dǎo)式減溫減壓裝置的工作原理與直動(dòng)式的基本相同。先導(dǎo)式減溫減壓裝置所用的調(diào)壓氣體，是由小型的直動(dòng)式減溫減壓裝置供給的。若把小型直動(dòng)式減溫減壓裝置裝在閥體內(nèi)部，則稱(chēng)為內(nèi)部先導(dǎo)式減溫減壓裝置；若將小型直動(dòng)式減溫減壓裝置裝在主閥體外部，則稱(chēng)為外部先導(dǎo)式減溫減壓裝置。與直動(dòng)式減溫減壓裝置相比，增加了由噴嘴、擋板、固定節(jié)流孔及氣室所組成的噴嘴擋板放大環(huán)節(jié)。當(dāng)噴嘴與擋板之間的距離發(fā)生微小變化時(shí)，就會(huì)使壓力發(fā)生根明顯的變化，從而引起膜片有較大的位移，去控制閥芯的上下移動(dòng)，使進(jìn)氣閥口開(kāi)大或關(guān)小、提高了對(duì)閥芯控制的靈敏度，即提高了穩(wěn)壓精度。靜安區(qū)減溫減壓裝置生產(chǎn)廠家有哪些</p><p style="text-indent:25px">上海大田閥門(mén)管道工程有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)高品質(zhì)管理的追求。大田閥門(mén)作為公司現(xiàn)在生產(chǎn)的產(chǎn)品有調(diào)節(jié)閥及附件、通用閥門(mén)、減溫減壓裝置、自動(dòng)再循環(huán)控制閥、電磁閥、API6A閥門(mén)等。調(diào)節(jié)閥及附件包含有：氣動(dòng)調(diào)節(jié)閥、電動(dòng)調(diào)節(jié)閥、自力式調(diào)節(jié)閥、手動(dòng)調(diào)節(jié)閥、氣動(dòng)薄膜執(zhí)行機(jī)構(gòu)、電動(dòng)執(zhí)行機(jī)構(gòu)、電氣閥門(mén)定位器、電動(dòng)閥門(mén)調(diào)節(jié)模塊等。通用閥門(mén)包含有：閘閥、截止閥、球閥、蝶閥、止回閥、水力控制閥、柱塞閥、旋塞閥、隔膜閥、安全閥、減壓閥、疏水閥、排氣閥、平衡閥、針型閥及多種襯里閥門(mén)等。減溫減壓裝置分為低壓、中壓、次高壓、高壓四種規(guī)格。自動(dòng)再循環(huán)控制閥分為低壓、中壓、高壓三種規(guī)格。電磁閥包含有：水用電磁閥、蒸汽電磁閥、煤氣電磁閥、空氣電磁閥、真空電磁閥、高溫電磁閥等。API6A閥門(mén)包含有閘閥、節(jié)流閥等。同時(shí)，公司可按照客戶(hù)的要求進(jìn)行非標(biāo)產(chǎn)品的設(shè)計(jì)、制造、加工。的企業(yè)之一，為客戶(hù)提供良好的調(diào)節(jié)閥，自動(dòng)再循環(huán)閥，減溫減壓裝置，閘閥。大田閥門(mén)繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。大田閥門(mén)創(chuàng)始人余承善，始終關(guān)注客戶(hù)，創(chuàng)新科技，竭誠(chéng)為客戶(hù)提供良好的服務(wù)。</p></p><br 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