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href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_wybez/">物位儀表</a>?<a href="http://www.cdcfah.com/cp/third-wybez_yyb/">液位儀表</a>?四川電磁流量計供貨廠誠信服務(wù) 江蘇中徽測控儀表供應(yīng)</p><div id="pjgselx" class="leftbox clearfix"><h1>四川電磁流量計供貨廠誠信服務(wù) 江蘇中徽測控儀表供應(yīng)</h1><div id="8xtkb2u" class="proBig"><div id="etamirn" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312837271718750/6710757.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jipgd8y" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312837271718750/6710757.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bvcy8t8" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>四川電磁流量計供貨廠,流量計</p><p><span>***更新：</span>2020-09-16 09:05:26</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="ly8yk4x" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測控儀表有限公司</a></p><p><span>聯(lián)系人：</span>姜經(jīng)理</p><p><span>郵箱: </span>jszhck@163.com</p><p><span>電話: </span>13770424300</p><p><span>傳真: </span>0517_86903470</p><p><span>網(wǎng)址: </span>http://www.jszhckyb.com</p><p><span>手機(jī): </span>0517-86900078</p><p><span>地址: </span>江蘇省淮安市金湖縣工業(yè)集中區(qū)A區(qū)3號</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="tse227j" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="clnr8hq" class="box"><p><p> 超聲波流量計也是比較常見的流量計，它的安裝在所有流量計的安裝中是簡單便捷的，只要選擇一個合適的測量點，把測量點處的管道參數(shù)輸入到流量計中，然后把探頭固定在管道上即可。 <span style="font-size:12px;"> </span> </p> <p> 安裝要點 </p> <p> 1，四川電磁流量計供貨廠、選擇充滿流體的材質(zhì)均勻質(zhì)密、易于超聲波傳輸?shù)墓芏?，如垂直管段或水平管段?</p> <p> 2、安裝距離應(yīng)選擇上游大于10倍直管徑、下游大于5倍直管徑以內(nèi)無任何閥門，四川電磁流量計供貨廠、彎頭、變徑等均勻的直管段，安裝點應(yīng)充分遠(yuǎn)離閥門，四川電磁流量計供貨廠、泵、高壓電和變頻器等干擾源。 </p> <p> 3、避免安裝在管道系統(tǒng)的比較高點或帶有自由出口的豎直管道上。 </p> <p> 4、對于開口或半滿管的管道，流量計應(yīng)安裝在U型管段處。 </p> <p> 渦街流量計孔板流量計的節(jié)流裝置結(jié)構(gòu)簡單，且牢固、性能穩(wěn)定可靠，使用期限長，價格較低；四川電磁流量計供貨廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川電磁流量計供貨廠,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837271718750/6710757.png"></div><p> 孔板流量計分類 </p> <p> 1、內(nèi)藏孔板 </p> <p> 這一類孔板是將孔板與測量管做成一體，一般用于小管徑（DN≤50mm），所以又稱小管徑孔板。 </p> <p> 特點： </p> <p> （1）、結(jié)構(gòu)緊湊，牢固耐用，工作可靠。 </p> <p> （2）、可以測小流量，現(xiàn)場安裝方便。 </p> <p> （3）、要求配制一段直管段（前5D、后2D需精密加工）。 </p> <p> 使用條件： </p> <p> （1）、公稱通徑：15-50mm </p> <p> （2）、公稱壓力：≤6.3MPa </p> <p> （3）、精確度（不確定度）：2.5% </p> <p> 2、限流孔板 </p> <p> 用于流體輸送過程的降壓、限流。利用節(jié)流件的壓力損失的特點，來達(dá)到降壓、限流的目的。 </p> <p> 特點：結(jié)構(gòu)簡單、耐用、工作可靠。 </p> <p> 不需要測量差壓。蘇州插入式巴類流量計找哪家孔板流量計孔板計算采用國際標(biāo)準(zhǔn)與加工；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川電磁流量計供貨廠,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838243867187/2569980.png"></div><p style="text-indent:25px">在現(xiàn)代工業(yè)生產(chǎn)中，流動工質(zhì)的溫度、壓力等運行參數(shù)不斷提高，在高溫高壓的情況下，由于材質(zhì)和結(jié)構(gòu)等方面的原因，直接式質(zhì)量流量計的應(yīng)用遇到困難，而間接式質(zhì)量流量計由于密度計受濕度和壓力適用范圍的限制，往往也不好實際應(yīng)用。因此，在工業(yè)生產(chǎn)中采用的是溫度壓力補償式質(zhì)量流量計?？砂阉醋饕环N間接式質(zhì)量流量計，不是配用密度計，而是利用溫度、壓力與密度間的關(guān)系，用溫度、壓力信號經(jīng)函數(shù)運算為密度信號，與容積流量相乘而得到質(zhì)量流量．目前溫度、壓力補償式質(zhì)量流量計雖已實用化，但當(dāng)被測介質(zhì)參數(shù)變化范圍很大或很迅速時，正確地補償將很困難或不可能，因此進(jìn)一步研究在實際生產(chǎn)中適用的質(zhì)量流量計和密度計還是一個課題。</p><p> 孔板流量計安裝對管道的要求： </p> <p> 1．孔板流量計安裝時應(yīng)配有一段測量管,至少保持**DN、后5DN的等徑直管段，以提高測量精度。 </p> <p> 2．在孔板流量計前后若需安裝閥門，比較好選閘閥且在運行中全開；調(diào)節(jié)閥則應(yīng)在下游5DN之后的管路中。 </p> <p> 3．引壓管路的內(nèi)徑與管路長度和介質(zhì)臟污程度有關(guān)，通常在45米以內(nèi)用內(nèi)徑為8-12mm的管子。 </p> <p> 4．測量液體流量時引壓管水平段應(yīng)在同一水平面內(nèi)。若是在垂直管道上安裝節(jié)流件，引壓短管之間相距一定的距離（垂線方向），這對差壓變送器的零點有影響，應(yīng)通過“零點遷移”來校正。 </p> <p> 5．引壓管路應(yīng)有牢固的支架托承，兩根取壓管路應(yīng)盡可能互相靠近并遠(yuǎn)離熱源或震動源，測量水蒸汽流量時，應(yīng)用保溫材料一同包扎，必須時（如氣溫0℃以下）加伴熱管防止結(jié)冰。在測量臟污流量時，應(yīng)附設(shè)隔離器或沉降器。 </p> <p> 6．引壓管路內(nèi)必須始終保持單相流體狀態(tài)。被測流體是氣體時，引壓管路（包括差壓計的壓力腔）內(nèi)全部是氣相；被測流體是液體時，引壓管路內(nèi)全部是液相，不能有氣泡。為此應(yīng)在引壓管路的比較低點裝排水閥或在比較高點裝排氣閥，在新裝或檢修差壓變送器時時應(yīng)特別注意。孔板流量計前后產(chǎn)生一個靜壓力差,該壓力差與流量存在著一定的函數(shù)關(guān)系,流量越大,壓力差就越大；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川電磁流量計供貨廠,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838129570312/452689.png"></div><p> 按流量計的結(jié)構(gòu)原理進(jìn)行分類。有容積式流量計、差壓式流量計、浮子流量計、渦輪流量計、電磁流量計、流體振蕩流量計中的渦街流量計、質(zhì)量流量計和插入式流量計。 </p> <p> 按測量對象劃分就有封閉管道和明渠兩大類;按測量目的又可分為總量測量和流量測量,其儀表分別稱作總量表和流量計。總量表測量一段時間內(nèi)流過管道的流量,是以短暫時間內(nèi)流過的總量除以該時間的商來表示,實際上流量計通常亦備有累積流量裝置,做總量表使用,而總量表亦備有流量發(fā)訊裝置。因此, 以嚴(yán)格意義來分流量計和總量表已無實際意義。容積式流量計與差壓式流量計、浮子流量計并列為三類使用量比較大的流量計；蘇州長頸噴嘴流量計價格</p><p style="text-indent:25px">電磁流量計應(yīng)用領(lǐng)域,大口徑儀表較多應(yīng)用于給排水工程；四川電磁流量計供貨廠</p><p> 電磁流量計接地的原因： </p> <p> 電磁流量計內(nèi)的測量電極處于一個直流或交流電場內(nèi)，如果其環(huán)境不能有效地被屏蔽于一個無干擾的條件下，對測量有嚴(yán)重干擾。傳感器外殼接地與否，直接關(guān)系到測量的精度和穩(wěn)定性，接地導(dǎo)線必須不傳任何干擾電壓，因此電磁流量計要求有非常可靠的接地，要做好接地屏蔽，否則就會產(chǎn)生干擾電流。<span style="font-size:12px;"> </span> </p> <p> 電磁流量計接地的好處： </p> <p> 若連接流量計的管道是(相對于被測介質(zhì))絕緣的則要用接地環(huán)，它的材質(zhì)應(yīng)根據(jù)被測介質(zhì)的腐蝕性選用。如果是聚四氟乙烯內(nèi)襯的測量傳感器，為了保測量傳感器能正常工作，要選用接地環(huán)。 </p> <p> 超聲波流量計四川電磁流量計供貨廠</p><p style="text-indent:25px">江蘇中徽測控儀表有限公司致力于儀器儀表，是一家貿(mào)易型的公司。公司業(yè)務(wù)涵蓋雷達(dá)料位計，雷達(dá)液位計，物位計，水位計等，價格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點競爭力，努力學(xué)習(xí)行業(yè)知識，遵守行業(yè)規(guī)范，植根于儀器儀表行業(yè)的發(fā)展。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1301799.html</p></div></div></div></div></div><div id="pi3iz9o" class="page-right 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