南京長(zhǎng)頸噴嘴流量計(jì)廠貼心服務(wù) 江蘇中徽測(cè)控儀表供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="孔板流量計(jì)又稱為差壓式流量計(jì)，是由一次檢測(cè)件(節(jié)流件)和二次裝置(差壓變送器和流量顯示儀)組成，廣泛應(yīng)用于氣體、蒸汽和液體的流量測(cè)量。具有結(jié)構(gòu)簡(jiǎn)單，維修方便，性能穩(wěn)定，使用可靠等特點(diǎn)。孔板節(jié)流裝置是標(biāo)準(zhǔn)節(jié)流件可不需標(biāo)定直接依照國(guó)家標(biāo)準(zhǔn)生產(chǎn)，"><meta name="keywords" content="南京長(zhǎng)頸噴嘴流量計(jì)廠,流量計(jì)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312837199179687/3462499.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ftahtkr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312837199179687/3462499.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wv3di37" 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>南京長(zhǎng)頸噴嘴流量計(jì)廠,流量計(jì)</p><p><span>***更新：</span>2020-09-07 03:08:50</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="yxzwdhd" 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="e1hwr89" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="vn3n8nm" class="box"><p><p style="text-indent:25px">孔板流量計(jì)又稱為差壓式流量計(jì)，是由一次檢測(cè)件(節(jié)流件)和二次裝置(差壓變送器和流量顯示儀)組成，廣泛應(yīng)用于氣體、蒸汽和液體的流量測(cè)量。具有結(jié)構(gòu)簡(jiǎn)單，維修方便，性能穩(wěn)定，使用可靠等特點(diǎn)?？装骞?jié)流裝置是標(biāo)準(zhǔn)節(jié)流件可不需標(biāo)定直接依照國(guó)家標(biāo)準(zhǔn)生產(chǎn)，1.國(guó)家標(biāo)準(zhǔn)GB2624-81<流量測(cè)量節(jié)流裝置的設(shè)計(jì)安裝和使用；2.國(guó)際標(biāo)準(zhǔn)ISO5167<國(guó)際標(biāo)準(zhǔn)組織規(guī)定的各種節(jié)流裝置；3.化工部標(biāo)準(zhǔn)GJ516-87-HK06。二、工作原理充滿管道的流體流經(jīng)管道內(nèi)的節(jié)流裝置，在節(jié)流件附近造成局部收縮，南京長(zhǎng)頸噴嘴流量計(jì)廠，流速增加，在其上、下游兩側(cè)產(chǎn)生靜壓力差，南京長(zhǎng)頸噴嘴流量計(jì)廠。在已知有關(guān)參數(shù)的條件下，南京長(zhǎng)頸噴嘴流量計(jì)廠，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。流量計(jì)有堰槽式流量計(jì)，它是通過(guò)測(cè)量液位來(lái)反映流量。南京長(zhǎng)頸噴嘴流量計(jì)廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京長(zhǎng)頸噴嘴流量計(jì)廠,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837199179687/3462499.png"></div><p> 電磁流量計(jì)的測(cè)量原理不依賴流量的特性，如果管路內(nèi)有一定的湍流與漩渦產(chǎn)生在非測(cè)量區(qū)內(nèi)則與測(cè)量無(wú)關(guān)。 </p> <p> 安裝要點(diǎn)<span style="font-size:12px;"> </span> </p> <p> A、安裝地點(diǎn)不能有大的振動(dòng)源，并應(yīng)采取加固措施來(lái)穩(wěn)定儀表附近的管道; </p> <p> B、不能安裝在大型變壓器、電動(dòng)機(jī)、機(jī)泵等產(chǎn)生較大磁場(chǎng)的設(shè)備附近，以免受到電磁場(chǎng)的干擾; </p> <p> C、傳感器與管道連接時(shí)應(yīng)保證滿管運(yùn)行，比較好垂直安裝; </p> <p> D、變送器外殼接地與就近接地網(wǎng)連接即可;屏蔽電纜(分體式)按說(shuō)明書連接，信號(hào)電纜(至系統(tǒng))進(jìn)行屏蔽層系統(tǒng)處單端接地;測(cè)量傳感器與管道連接的短路環(huán)需要接地，接地電阻應(yīng)小于10歐姆，不能與電氣接地共用; </p> <p> E、流量計(jì)傳感器上游也應(yīng)該有一定的直管段，一般在5D~10D。 </p> <p> <br /> 南通孔板流量計(jì)哪家比較便宜流量計(jì)有節(jié)流式流量計(jì)、畢托管流量計(jì)、均速管流量計(jì)、轉(zhuǎn)子流量計(jì)、靶式流量計(jì)；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京長(zhǎng)頸噴嘴流量計(jì)廠,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838103671875/4779906.png"></div><p> 渦街流量計(jì)(USF)特點(diǎn) </p> <p> （1）抗振性能差。外來(lái)振動(dòng)會(huì)使渦街流量計(jì)產(chǎn)生測(cè)量誤差，甚至不能正常工作。通道流體高流速?zèng)_擊會(huì)使渦街發(fā)生體的懸臂產(chǎn)生附加振動(dòng)，使測(cè)量精度降低。大管徑影響更為明顯。 </p> <p> （2）對(duì)測(cè)量臟污介質(zhì)適應(yīng)性差。渦街流量計(jì)的發(fā)生體極易被介質(zhì)臟污或被污物纏繞，改變幾何體尺寸，對(duì)測(cè)量精度造成極大影響。 </p> <p> <span style="font-size:12px;">（3）直管段要求高。專家指出，渦街流量計(jì)直管段一定要保證前 40D 后 20D，才能滿足測(cè)量要求。</span> </p> <p> <span style="font-size:12px;">（4）耐溫性能差。渦街流量計(jì)一般只能測(cè)量 300℃以下介質(zhì)的流體流量。</span> </p><p> 渦街流量計(jì) </p> <p> 工作原理：根據(jù)流體振蕩原理來(lái)測(cè)量流量的，流體在管道中經(jīng)過(guò)渦街流量變送器時(shí)，在三角柱的旋渦發(fā)生體后上下交替產(chǎn)生正比于流速的兩列旋渦，旋渦的釋放頻率與流過(guò)旋渦發(fā)生體的流體平均速度及旋渦發(fā)生體特征寬度有關(guān)，根據(jù)這種關(guān)系，旋渦頻率就可以計(jì)算出流過(guò)旋渦發(fā)生體的流體平均速度，再乘以橫截面積得到流量。 </p> <p> 工作特點(diǎn)：①結(jié)構(gòu)簡(jiǎn)單而牢固，無(wú)可動(dòng)部件，可靠性高，長(zhǎng)期運(yùn)行十分可靠;②安裝簡(jiǎn)單，維護(hù)十分方便;③檢測(cè)傳感器不直接接觸被測(cè)介質(zhì)，性能穩(wěn)定，壽命長(zhǎng);④輸出是與流量成正比的脈沖信號(hào)，無(wú)零點(diǎn)漂移，精度高;⑤測(cè)量范圍寬，量程比可達(dá)1：10;⑥壓力損失較小，運(yùn)行費(fèi)用低，更具節(jié)能意義。電磁流量計(jì)所測(cè)得體積流量實(shí)際上不受流體密度、粘度、溫度、壓力和電導(dǎo)率變化的明顯影響；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京長(zhǎng)頸噴嘴流量計(jì)廠,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837209316406/2335595.png"></div><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。<span style="font-size:12px;">孔板流量計(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.</span> 電磁流量計(jì)的測(cè)量原理不依賴流量的特性，如果管路內(nèi)有一定的湍流與漩渦產(chǎn)生在非測(cè)量區(qū)內(nèi)則與測(cè)量無(wú)關(guān)。長(zhǎng)頸噴嘴流量計(jì)生產(chǎn)廠家</p><p style="text-indent:25px">電磁流量計(jì)的應(yīng)用有一定局限性，它只能測(cè)量導(dǎo)電介質(zhì)的液體流量，不能測(cè)量非導(dǎo)電介質(zhì)的流量；南京長(zhǎng)頸噴嘴流量計(jì)廠</p><p> 熱式質(zhì)量流量計(jì)（恒溫差TMF） </p> <p> 優(yōu)點(diǎn): </p> <p> （1）球閥安裝，安裝拆卸方便。并可以帶壓安裝。 </p> <p> （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。 </p> <p> （3）響應(yīng)迅速。 </p> <p> （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’’ </p> <p> （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。 </p> <p> 缺點(diǎn): </p> <p> （1）精度不及其他類型流量計(jì)，一般為3％。 </p> <p> （2）適用范圍窄，只能用于測(cè)量干燥的非爆炸性的氣體，如壓縮空氣、氮?dú)?、氬氣及其他中性氣體。南京長(zhǎng)頸噴嘴流量計(jì)廠</p><p style="text-indent:25px">江蘇中徽測(cè)控儀表有限公司主要經(jīng)營(yíng)范圍是儀器儀表，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下雷達(dá)料位計(jì)，雷達(dá)液位計(jì)，物位計(jì)，水位計(jì)深受客戶的喜愛(ài)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在儀器儀表深耕多年，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)，打造儀器儀表良好品牌。江蘇中徽測(cè)控儀表秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1185459.html</p></div></div></div></div></div><div id="h837foa" class="page-right twoColRt"><div id="shtv3qc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3qkmil3" 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" 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