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當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a 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>?鹽城孔板流量計(jì)價(jià)格來(lái)電咨詢江蘇中徽測(cè)控儀表供應(yīng)</p><div id="8p2gj7i" class="leftbox clearfix"><h1>鹽城孔板流量計(jì)價(jià)格來(lái)電咨詢江蘇中徽測(cè)控儀表供應(yīng)</h1><div id="fuhebik" class="proBig"><div id="8nkr3se" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436288996836659/3226440.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ih8h7pw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436288996836659/3226440.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wfczgnf" 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>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>鹽城孔板流量計(jì)價(jià)格,流量計(jì)</p><p><span>***更新：</span>2021-01-02 05:11:40</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="mbdfmy8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測(cè)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(hào)</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="b2azaxo" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ajgdvce" class="box"><p><p style="text-indent:25px">充滿管道的流體，當(dāng)它們流經(jīng)管道內(nèi)的節(jié)流裝置時(shí)，流束將在節(jié)流裝置的節(jié)流件處形成局部收縮，從而使流速增加，靜壓力低，于是在節(jié)流件前后便產(chǎn)生了壓力降，即壓差，介質(zhì)流動(dòng)的流量越大，在節(jié)流件前后產(chǎn)生的壓差就越大，鹽城孔板流量計(jì)價(jià)格，所以孔板流量計(jì)可以通過(guò)測(cè)量壓差來(lái)衡量流體流量的大小。這種測(cè)量方法是以能量守衡定律和流動(dòng)連續(xù)性定律為基準(zhǔn)的。智能節(jié)流裝置（孔板流量計(jì)）是集流量、溫度、壓力檢測(cè)功能于一體，并能進(jìn)行溫度、壓力自動(dòng)補(bǔ)償?shù)男乱淮髁坑?jì)，該孔板流量計(jì)采用先進(jìn)的微機(jī)技術(shù)與微功耗新技術(shù)，功能強(qiáng)，結(jié)構(gòu)緊湊，操作簡(jiǎn)單，使用方便?！装辶髁坑?jì)節(jié)流裝置結(jié)構(gòu)易于復(fù)制，簡(jiǎn)單、牢固，性能穩(wěn)定可靠，使用期限長(zhǎng)，價(jià)格低廉。▲孔板計(jì)算采用國(guó)際標(biāo)準(zhǔn)與加工▲孔板流量計(jì)應(yīng)用范圍廣，全部單相流皆可測(cè)量，部分混相流亦可應(yīng)用?！鴺?biāo)準(zhǔn)型節(jié)流裝置無(wú)須實(shí)流校準(zhǔn)，即可投用，鹽城孔板流量計(jì)價(jià)格，鹽城孔板流量計(jì)價(jià)格?！惑w型孔板流量計(jì)安裝更簡(jiǎn)單，無(wú)須引壓管，可直接接差壓變送器和壓力變送器。流量計(jì)是利用伯努利方程原理，通過(guò)測(cè)量流體差壓信號(hào)反映流量;鹽城孔板流量計(jì)價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城孔板流量計(jì)價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436288996836659/3226440.png"></div><p> 熱式質(zhì)量流量計(jì)（恒溫差TMF）優(yōu)點(diǎn):（1）球閥安裝，安裝拆卸方便。并可以帶壓安裝。（2）基于金氏定律，直接測(cè)量質(zhì)量流量。測(cè)量值不受壓力和溫度影響。（3）響應(yīng)迅速。（4）量程范圍大，管道式安裝小可以測(cè)量8.8mm管道的流量，比較大可以測(cè)到30’’（5）插入式類型的流量計(jì)，一支流量計(jì)可以用于測(cè)量多種管徑。缺點(diǎn):（1）精度不及其他類型流量計(jì)，一般為3％。（2）適用范圍窄，只能用于測(cè)量干燥的非**性的氣體，如壓縮空氣、氮?dú)狻鍤饧捌渌行詺怏w。 </p> <p> <br /> </p> <p> <br /> 鹽城孔板流量計(jì)價(jià)格孔板流量計(jì)孔板計(jì)算采用國(guó)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="鹽城孔板流量計(jì)價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289158887356/6747137.png"></div><p style="text-indent:25px">孔板流量計(jì)丈量?jī)?yōu)點(diǎn)1、規(guī)范節(jié)流件是全用的，并得到了國(guó)際規(guī)范組織的認(rèn)可，無(wú)需實(shí)流校準(zhǔn)，即可投用，在流量傳感器中也是獨(dú)一的;2、構(gòu)造易于復(fù)制，簡(jiǎn)單、結(jié)實(shí)、性能穩(wěn)定牢靠、價(jià)錢低廉;3、應(yīng)用范圍廣，包括全部單相流體(液、氣、蒸汽)、局部混相流，普通消費(fèi)過(guò)程的管徑、工作狀態(tài)(溫度、壓力)皆能夠丈量;4、檢測(cè)件和差壓顯現(xiàn)儀表可分開(kāi)不同廠家消費(fèi)，便與專業(yè)化范圍消費(fèi)?？装辶髁坑?jì)丈量缺陷1、丈量的反復(fù)性、準(zhǔn)確度在流量傳感器中屬于中等程度，由于眾多要素的影響撲朔迷離，準(zhǔn)確度難于進(jìn)步;2、范圍度窄，由于流量系數(shù)與雷諾數(shù)有關(guān),普通范圍度*3∶1～4∶1;3、有較長(zhǎng)的直管段長(zhǎng)度請(qǐng)求，普通難于滿足。特別對(duì)較大管徑，問(wèn)題愈加突出;4、壓力損失大;5、孔板以內(nèi)孔銳角線來(lái)保證精度，因而傳感器對(duì)腐蝕、磨損、結(jié)垢、臟污敏感，長(zhǎng)期運(yùn)用精度難以保證，需每年拆下強(qiáng)檢一次;6、采用法蘭銜接，易產(chǎn)生跑、冒、滴、漏問(wèn)題，增加了維護(hù)工作量。</p><p> 孔板流量計(jì)管道安裝條件如下：（1）節(jié)流件前后的直管段必須是直的，不得有肉眼可見(jiàn)的彎曲。(2)用于安裝節(jié)流孔的直段必須平滑，如果不平滑，必須對(duì)流量系數(shù)應(yīng)用粗糙度來(lái)修正稀疏。(3)流體的流動(dòng)是為了在節(jié)流孔的前1d形成充分發(fā)達(dá)的紊流速度分布，使該分布成為均勻的軸對(duì)稱形1）直管段必須是圓的，而且對(duì)節(jié)流件前2D范圍，其圓度要求其甚為嚴(yán)格，并且有一定的圓度指標(biāo)。具體衡量方法：(a)在節(jié)流孔前od、d/2、d、2d四個(gè)垂直管截面上，以較大的角度距離測(cè)定至少四個(gè)管內(nèi)徑的測(cè)定值，取平均值d。任意內(nèi)徑單測(cè)量值與平均值之差不得超過(guò)±（B）在節(jié)流件后，在OD和2D位置用上述方法測(cè)得8個(gè)內(nèi)徑單測(cè)值，任意單測(cè)值與D比較，其*大偏差不得超過(guò)±2%2）節(jié)流件前后要求一段足夠長(zhǎng)的直管段，這段足夠長(zhǎng)的直管段和節(jié)流件前的局部阻力件形式有關(guān)和直徑比β有關(guān)。(4)節(jié)流孔上游側(cè)的第1電阻體和第2電阻體間的直管段的長(zhǎng)度可以取第2電阻體的形狀和β=。質(zhì)量流量計(jì)由于流體的容積受溫度、壓力等參數(shù)的影響，用容積流量表示流量大小時(shí)需給出介質(zhì)的參數(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城孔板流量計(jì)價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289029668701/3265337.png"></div><p> 孔板流量計(jì)測(cè)量老不準(zhǔn)，處理方法有技巧！1、差壓管路堵塞，疏通差壓管路；2、差壓計(jì)故障，檢查差壓計(jì)；3、差壓變送器示值明顯偏離，應(yīng)檢查尺示值；4、節(jié)流元件安裝方向有誤，重新安裝節(jié)流元件；5、被測(cè)介質(zhì)工況參數(shù)與設(shè)計(jì)節(jié)流裝置時(shí)采用的參數(shù)不一致，按相關(guān)公式修正，必要時(shí)應(yīng)重新計(jì)算差壓值；6、節(jié)流裝置前后直管段長(zhǎng)度不夠，應(yīng)調(diào)整直管段長(zhǎng)度；7、直管段內(nèi)徑超差，實(shí)測(cè)直管段內(nèi)徑，重新計(jì)算比較大流量；8、節(jié)流孔徑超差，實(shí)測(cè)節(jié)流孔徑，重新計(jì)算比較大流量；9、節(jié)流元件變形，更換節(jié)流元件；10、節(jié)流元件上有附著物，清洗更換節(jié)流元件；11、孔板的尖銳一側(cè)應(yīng)該迎向流體流向?yàn)槿肟诙?，呈喇叭形的一?cè)為出口端。如果裝反了，顯示將會(huì)偏小很多。解決辦法：檢查孔板安裝方向，正確安裝孔板。12、孔板的入口邊緣磨損，如果孔板使用時(shí)間較長(zhǎng)，特別是在被測(cè)介質(zhì)夾雜固體顆粒等雜物情況下，都會(huì)造成孔板的幾何形狀和尺寸的變化，如果造成開(kāi)孔變大或開(kāi)孔邊緣變鈍，測(cè)量壓差就會(huì)變小，流量顯示就會(huì)偏低。解決辦法：對(duì)孔板進(jìn)行重新加工。 </p> <p> <br /> </p> <p> <br /> 便攜式超聲波流量計(jì)具有很大的機(jī)動(dòng)性，首要用于對(duì)不一樣管道的流體流量作臨時(shí)性丈量。鹽城孔板流量計(jì)價(jià)格</p><p style="text-indent:25px">電磁流量計(jì)是根據(jù)法拉弟電磁感應(yīng)定律制成的一種測(cè)量導(dǎo)電性液體的儀表。鹽城孔板流量計(jì)價(jià)格</p><p> 流體流經(jīng)管道內(nèi)的節(jié)流裝置，在節(jié)流件附近造成局部收縮，流速增加，在其上、下游兩側(cè)產(chǎn)生靜壓力差。在已知有關(guān)參數(shù)的條件下，根據(jù)流動(dòng)連續(xù)性原理和伯努利方程可以推導(dǎo)出差壓與流量之間的關(guān)系而求得流量?？装辶髁坑?jì)的節(jié)流裝置結(jié)構(gòu)簡(jiǎn)單，且牢固、性能穩(wěn)定可靠，使用期限長(zhǎng)，價(jià)格較低，是工業(yè)中常用到的流量測(cè)量?jī)x表，整個(gè)加工過(guò)程采用國(guó)際標(biāo)準(zhǔn)，并經(jīng)過(guò)嚴(yán)格的校驗(yàn)檢測(cè)，用戶在購(gòu)買后可放心使用。該流量計(jì)應(yīng)用領(lǐng)域比較，所有的單相流速都可以測(cè)量，一部分混相流也可以使用該產(chǎn)品孔板流量計(jì)可測(cè)量管道中各種流體的流量，可測(cè)量的介質(zhì)有液體、氣體、蒸汽，被應(yīng)用于石油、化工、冶金、輕工、煤礦等工業(yè)部門。測(cè)量原理：充滿管道的流體，當(dāng)它們流經(jīng)管道內(nèi)的節(jié)流裝置時(shí)，流束將在節(jié)流裝置的節(jié)流件處形成局部收縮孔板流量計(jì)前后產(chǎn)生一個(gè)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(hào)傳送給差壓變送器。鹽城孔板流量計(jì)價(jià)格</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2667885.html</p></div></div></div></div></div><div id="yifmjg3" class="page-right twoColRt"><div id="nwo7hoa" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ti37hz7" class="recomPic likePro"><a 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