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href="http://www.cdcfah.com/cp/third-wybez_yyb/">液位儀表</a>?常州孔板流量計哪家比較便宜 **** 江蘇中徽測控儀表供應(yīng)</p><div id="jczb3h3" class="leftbox clearfix"><h1>常州孔板流量計哪家比較便宜 **** 江蘇中徽測控儀表供應(yīng)</h1><div id="j23pvcj" class="proBig"><div id="usz7y4w" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312838142734375/9834381.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="g2fcjah" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312838142734375/9834381.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jczwif7" 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>常州孔板流量計哪家比較便宜,流量計</p><p><span>***更新：</span>2020-09-18 04:05:51</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="zs8szbo" 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="81kmoam" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mf883tn" class="box"><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，常州孔板流量計哪家比較便宜、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，常州孔板流量計哪家比較便宜，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，常州孔板流量計哪家比較便宜，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。電磁流量計的應(yīng)用有一定局限性，它只能測量導(dǎo)電介質(zhì)的液體流量，不能測量非導(dǎo)電介質(zhì)的流量；常州孔板流量計哪家比較便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州孔板流量計哪家比較便宜,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838142734375/9834381.png"></div><p> 孔板流量計分類 </p> <p> 1、標(biāo)準(zhǔn)孔板標(biāo)準(zhǔn)孔板是一類規(guī)格多的標(biāo)準(zhǔn)節(jié)流裝置，廣泛應(yīng)用于各種流體特別是氣體流量測量中，孔板的結(jié)構(gòu)因壓力、通徑、取壓方式的不同而不同。 </p> <p> 2、標(biāo)準(zhǔn)孔板按常用取壓方式可分為角接取壓、法蘭取壓、徑距取壓三種類型。 </p> <p> 2、圓缺孔板 </p> <p> 取壓方式：法蘭取壓 </p> <p> 3、偏心孔板 </p> <p> 取壓方式：角接取壓 </p> <p> 偏心孔板和圓缺孔板只適于安裝在水平或傾斜管道上，不能在垂直管道上使用。如被測流體中含有固體顆粒時，開口或缺口應(yīng)置于下方；如液體中有氣體析出時，開口或缺口應(yīng)置于上方；取壓口處在圓缺口或偏心開孔和管道相切點的對面。河北電磁流量計哪家比較便宜電磁流量計是根據(jù)法拉弟電磁感應(yīng)定律制成的一種測量導(dǎo)電性液體的儀表。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州孔板流量計哪家比較便宜,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837225146484/5269614.png"></div><p> 智能電磁流量計因為結(jié)構(gòu)簡單，流量計外殼、被測流體和管道連接法蘭三者之間應(yīng)做等電位連接，并應(yīng)接地；沒有可以動彈的部件，并且也沒有任何可以組織流體進(jìn)入到儀器的結(jié)構(gòu)，所以在進(jìn)行測量時，沒有太多的能量損失，對于測試結(jié)果誤差較小。在垂直的管道上安裝時，被測流體的流向應(yīng)自下而上，在水平的管道上安裝時，兩個測量電極不應(yīng)在管道的正上方和正下方位置；此外因為這種獨特的設(shè)計結(jié)構(gòu)，儀器在使用一段時間后不會發(fā)生堵塞等故障。<span style="display:none;"></span><span style="font-size:12px;">這種智能電磁流量計在進(jìn)行測量時不會受到，流體的粘度和密度的影響，因此智能電磁流量計只需經(jīng)過水準(zhǔn)標(biāo)定以后就可以對流體進(jìn)行測量。除此之外，這種儀器沒有機(jī)械的慣性，流量計上游直管段長度和安裝支撐方式應(yīng)符合設(shè)計文件要求?？梢苑浅：玫膶崿F(xiàn)對流體的制動，反應(yīng)非常靈敏，可以瞬時間測得大量流體的數(shù)據(jù)。</span> </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、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、彎頭、變徑等均勻的直管段，安裝點應(yīng)充分遠(yuǎn)離閥門、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> 渦街流量計電磁流量計測量通道是段光滑直管,不會阻塞,適用于測量含固體顆粒的液固二相流體,如紙漿、泥漿、污水等;</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州孔板流量計哪家比較便宜,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837362656250/2008561.png"></div><p> 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.差壓信號傳送給差壓變送器,轉(zhuǎn)換成4-20ma.DC模擬信號輸出,遠(yuǎn)轉(zhuǎn)給流量積算儀,實現(xiàn)流體流量的計量.質(zhì)量型流量計,利用智能型差壓變送器,對工況溫/壓進(jìn)行自動補償后,實現(xiàn)對流體質(zhì)量流量的測量 </p> <p> 孔板流量計要送熱風(fēng)，熱風(fēng)爐離高爐一般比較近，且彎頭較多。過去曾使用標(biāo)準(zhǔn)孔板，因直管段不夠長而誤差較大。本儀表因為有均壓環(huán)和多個取壓口，需要2D長的直管段即可。安裝在熱風(fēng)爐送風(fēng)管上之后，應(yīng)用情況非常滿意，已經(jīng)有三十幾座熱風(fēng)爐裝上了環(huán)形孔板流量計，運行3年多沒有故障。渦輪流量計工作原理：在一定的流量范圍內(nèi)，渦輪的轉(zhuǎn)速與流體的流速成正比。南京插入式巴類流量計供貨廠</p><p style="text-indent:25px">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；常州孔板流量計哪家比較便宜</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;中小口徑常用于高要求或難測場合,如鋼鐵工業(yè)高爐風(fēng)口冷卻水控制,造紙工業(yè)測量紙漿液和黑液,化學(xué)工業(yè)的強(qiáng)腐蝕液,有色冶金工業(yè)的礦漿;小口徑、微小口徑常用于醫(yī)藥工業(yè)、食品工業(yè)、生物化學(xué)等有衛(wèi)生要求的場所。?EMF從50年代初進(jìn)入工業(yè)應(yīng)用以來,使用領(lǐng)域日益擴(kuò)展,80年代后期起在各國流量儀表銷售金額中已占16%~20%。?我國近年發(fā)展迅速,1994年銷售估計為6500~7500臺。國內(nèi)已生產(chǎn)比較大口徑為2~6m的ENF,并有實流校驗口徑3m的設(shè)備能力。常州孔板流量計哪家比較便宜</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。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。江蘇中徽測控儀表立足于全國市場，依托強(qiáng)大的研發(fā)實力，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/1323929.html</p></div></div></div></div></div><div id="aya8b4y" class="page-right twoColRt"><div id="wkryqcz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ymoqszw" 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="h22hoqx" class="recomPic likePro"><a 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