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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>楊浦區(qū)減溫減壓裝置哪個(gè)品牌好,減溫減壓裝置</p><p><span>***更新：</span>2020-11-11 10:30:21</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="r88jy2u" 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="d7vhzl3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="weqi7jn" class="box"><p><p style="text-indent:25px">減溫減壓裝置，閥對(duì)流量的控制可以分為兩種。一種是開關(guān)控制，一種是連續(xù)控制，伺服閥和其它閥不同的是，它的能量損失更大一些，因?yàn)樗枰欢ǖ牧髁縼砭S持前置級(jí)控制油路的工作。一種是開關(guān)控制：要么全開、要么全關(guān)，楊浦區(qū)減溫減壓裝置哪個(gè)品牌好，楊浦區(qū)減溫減壓裝置哪個(gè)品牌好，流量要么大、要么小，沒有中間狀態(tài)，如普通的電磁直通閥、電磁換向閥、電液換向閥。另一種是連續(xù)控制：閥口可以根據(jù)需要打開任意一個(gè)開度，由此控制通過流量的大小，楊浦區(qū)減溫減壓裝置哪個(gè)品牌好，這類閥有手動(dòng)控制的，如節(jié)流閥，也有電控的，如減溫減壓裝置、伺服閥。減溫減壓裝置初次使用時(shí)要檢查設(shè)備的狀態(tài)是否正常。楊浦區(qū)減溫減壓裝置哪個(gè)品牌好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="楊浦區(qū)減溫減壓裝置哪個(gè)品牌好,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363664801455078/9699433.png"></div><p style="text-indent:25px">注意減溫減壓裝置的減壓保障系統(tǒng)。無論選用比例式還是可調(diào)式減溫減壓裝置，其減壓比P1∶P2不宜選擇過大，一般應(yīng)控制在5∶1之內(nèi)。超過這個(gè)范圍易產(chǎn)生氣蝕現(xiàn)象，損壞閥件，產(chǎn)生嘯叫噪音。有些活塞式減溫減壓裝置，制造廠在其閥體上加工一個(gè)直徑1.5mm左右的小孔，其功能是讓閥芯運(yùn)動(dòng)時(shí)起到透吸氣作用，維護(hù)管理時(shí)應(yīng)注意千萬不要將小孔塞住，否則影響減溫減壓裝置的正常運(yùn)行。減溫減壓裝置的減壓保障系統(tǒng)是重中之重，工作人員在維護(hù)管理時(shí)要遵守規(guī)范，否則操作不當(dāng)會(huì)直接影響減溫減壓裝置的正常運(yùn)轉(zhuǎn)工作。楊浦區(qū)減溫減壓裝置哪個(gè)品牌好減溫減壓裝置排除故障后才能投入運(yùn)行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="楊浦區(qū)減溫減壓裝置哪個(gè)品牌好,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363664908164062/5218851.png"></div><p style="text-indent:25px">減溫減壓裝置在選用安穩(wěn)閥的時(shí)候一般要注意以下規(guī)則：1、熱水鍋爐一般用不封閉帶扳手微啟式安穩(wěn)閥。2、蒸汽鍋爐或蒸汽管道一般用不封閉帶扳手全啟式安穩(wěn)閥或用安穩(wěn)泄放閥。3、水等液體不可壓縮介質(zhì)一般用封閉微啟式安穩(wěn)閥。如高壓給水加熱器、換熱器等。4、高壓給水一般用封閉全啟式安穩(wěn)閥。如儲(chǔ)氣罐、氣體管道等。5、氣體等可壓縮性介質(zhì)一般用封閉全啟式安穩(wěn)閥。6、E級(jí)蒸汽鍋爐一般用靜重式安穩(wěn)閥。大排量及高壓系統(tǒng)一般用脈沖式安穩(wěn)閥。7、大口徑。如減溫減壓裝置、電站鍋爐等。</p><p style="text-indent:25px">減溫減壓裝置選用標(biāo)準(zhǔn)：標(biāo)準(zhǔn)一在給定的彈簧壓力級(jí)范圍內(nèi)，使出口壓力在大值與小值之間能連續(xù)調(diào)整，不得有卡阻和異常振動(dòng)；標(biāo)準(zhǔn)二對(duì)于軟密封的減溫減壓裝置，在規(guī)定的時(shí)間內(nèi)不得有滲漏；對(duì)于金屬密封的減溫減壓裝置，其滲漏量應(yīng)不大于大流量的0.5%；標(biāo)準(zhǔn)三出口流量變化時(shí),直接作用式的出口壓力偏差值不大于20%,先導(dǎo)式不大于10%；標(biāo)準(zhǔn)四進(jìn)口壓力變化時(shí)，直接作用式的出口壓力偏差不大于10%，先導(dǎo)式的不大于5%；標(biāo)準(zhǔn)五通常，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="楊浦區(qū)減溫減壓裝置哪個(gè)品牌好,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665488730469/5001737.png"></div><p style="text-indent:25px">減溫減壓裝置可將閥前管路較高的水壓減少至閥后管路所需的水平。減溫減壓裝置普遍用于高層建筑、城市給水管網(wǎng)水壓過高的區(qū)域、礦井及其他場(chǎng)合，以保證給水系統(tǒng)中各用水點(diǎn)獲得適當(dāng)?shù)姆?wù)水壓和流量。鑒于水的漏失率和浪費(fèi)程度幾乎同給水系統(tǒng)的水壓大小成正比，因此減溫減壓裝置具有改善系統(tǒng)運(yùn)行工況和潛在節(jié)水作用，據(jù)統(tǒng)計(jì)其節(jié)水效果約為30％。減溫減壓裝置是氣動(dòng)調(diào)節(jié)的一個(gè)必備配件，主要作用是將氣源的壓力減壓并穩(wěn)定到一個(gè)定值，以便于調(diào)節(jié)閥能夠獲得穩(wěn)定的氣源動(dòng)力用于調(diào)節(jié)控制。減溫減壓裝置適用于要求有較大推力的場(chǎng)合；陜西減溫減壓裝置銷售價(jià)格</p><p style="text-indent:25px">減溫減壓裝置由控制系統(tǒng)、減壓系統(tǒng)、噴水減溫系統(tǒng)和安全保護(hù)系統(tǒng)組成。楊浦區(qū)減溫減壓裝置哪個(gè)品牌好</p><p style="text-indent:25px">減溫減壓裝置的流量特性：是指輸入壓力一定時(shí)，輸出壓力必須低于輸出流量g的變化而變化的特性。當(dāng)流量g發(fā)生變化時(shí)，輸出壓力的變化越小越好。一般輸出壓力越低，它隨輸出流量的變化波動(dòng)就越小。它可將閥前管路較高的液體壓力減少至閥后管路所需的水平。這里的傳輸介質(zhì)主要是水。減溫減壓裝置普遍用于高層建筑、城市給水管網(wǎng)水壓過高的區(qū)域、礦井及其他場(chǎng)合，以保證給水系統(tǒng)的水壓大小成正比，因此減溫減壓裝置具有改善系統(tǒng)運(yùn)行工況和潛在節(jié)水作用，據(jù)統(tǒng)計(jì)其節(jié)水效果約為30%。楊浦區(qū)減溫減壓裝置哪個(gè)品牌好</p><p style="text-indent:25px">上海大田閥門管道工程有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型公司。公司業(yè)務(wù)涵蓋調(diào)節(jié)閥，自動(dòng)再循環(huán)閥，減溫減壓裝置，閘閥等，價(jià)格合理，品質(zhì)有保證。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，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(guó)市場(chǎng)，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/1945831.html</p></div></div></div></div></div><div id="jtqxuby" class="page-right twoColRt"><div id="lfmjbdp" class="box01 margin10 clearfix"><h3><a 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