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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>陜西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>黑龍江金屬管浮子流量計(jì),流量計(jì)</p><p><span>***更新：</span>2020-08-20 03:19:25</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="mwnkx8e" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安倫騫電器設(shè)備有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>付海飛</p><p><span>郵箱: </span>xalunqian@163.com</p><p><span>電話: </span>13891837328</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://xalunqian.shop.88360.com</p><p><span>手機(jī): </span>138-91837328</p><p><span>地址: </span>高新區(qū)發(fā)展大道25號軍民融合創(chuàng)新港</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="pewta7h" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="etl82km" class="box"><p><p style="text-indent:25px">渦街流量計(jì)是根據(jù)卡門（Karman）渦街原理研究生產(chǎn)的，主要用于工業(yè)管道介質(zhì)流體的流量測量，黑龍江金屬管浮子流量計(jì)，如氣體，黑龍江金屬管浮子流量計(jì)、液體、蒸氣等多種介質(zhì)。其特點(diǎn)是壓力損失小，量程范圍大，黑龍江金屬管浮子流量計(jì)，精度高，在測量工況體積流量時(shí)幾乎不受流體密度、壓力、溫度、粘度等參數(shù)的影響。無可動(dòng)機(jī)械零件，因此可靠性高，維護(hù)量小。儀表參數(shù)能長期穩(wěn)定。渦街流量計(jì)采用壓電應(yīng)力式傳感器,可靠性高，可在-20℃～+250℃的工作溫度范圍內(nèi)工作。有模擬標(biāo)準(zhǔn)信號,也有數(shù)字脈沖信號輸出，容易與計(jì)算機(jī)等數(shù)字系統(tǒng)配套使用，是一種比較先進(jìn)、理想的測量儀器。全流型即被測流體全部流過浮子流量計(jì)的儀表。黑龍江金屬管浮子流量計(jì)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江金屬管浮子流量計(jì),流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520164541016/3121473.png"></div><p> 超聲波流量計(jì): </p> <p> 超聲波流量計(jì)也是比較常見的流量計(jì)，它的安裝在所有流量計(jì)的安裝中是zui簡單便捷的，只要選擇一個(gè)合適的測量點(diǎn)，把測量點(diǎn)處的管道參數(shù)輸入到流量計(jì)中，然后把探頭固定在管道上即可。 </p> <p> 超聲波流量計(jì)的安裝主要遵循以下3點(diǎn)：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?.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(diǎn)應(yīng)充分遠(yuǎn)離閥門、泵、高壓電和變頻器等干擾源。3. 避免安裝在管道系統(tǒng)的比較高點(diǎn)或帶有自由出口的豎直管道上。4. 對于開口或半滿管的管道，流量計(jì)應(yīng)安裝在U型管段處。黑龍江金屬管浮子流量計(jì)流量測量，在1738年，瑞士有名的物理學(xué)家丹尼爾·伯努利以伯努利方程為基礎(chǔ)，利用了差壓法測量了水流量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江金屬管浮子流量計(jì),流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519894707031/5463.png"></div><p> 電磁流量計(jì)內(nèi)襯材料正確選用方法： </p> <p> 應(yīng)根據(jù)被測介質(zhì)的腐蝕性，磨損性和溫度來選擇內(nèi)襯材料： </p> <p> 一、天然橡膠（軟橡膠）：1、較好的彈性，耐磨性和扯斷力；2、耐一般的弱酸、弱堿的腐蝕；3、測水、污水。 </p> <p> 二、耐酸橡膠（硬橡膠）：可耐常溫下的鹽酸、醋酸、草酸、氨水、磷酸及50%的硫酸、氫氧化鈉、氫氧化鉀的腐蝕，但不耐強(qiáng)氧化劑的腐蝕；可測一般的酸、堿、鹽溶液。 </p> <p> 三、氯丁橡膠（Neoprene）：1、極好的彈性，高度的扯斷力，耐磨性能好；2、耐一般低濃度的酸堿、鹽溶液的腐蝕，但不耐氧化性介質(zhì)的腐蝕，且溫度要求<80℃；可測水、污水、泥漿和礦漿。 </p> <p> 四、聚胺脂橡膠（Polyurethane）：1、極好的耐磨性能；2、耐酸、堿性能差，溫度要求<40℃；測中性強(qiáng)磨損的煤漿、泥漿和礦漿。 </p> <p> 五、聚四氟乙烯（PTFE）：1、耐沸騰的鹽酸、硫酸、硝酸、王水、濃堿和各種有機(jī)溶劑；2、耐磨性能好，粘接性能差，溫度要求-80～+180℃；測濃度、濃堿強(qiáng)腐蝕性溶液及衛(wèi)生類介質(zhì)。 </p><p> 渦街流量計(jì)安裝對直管段的要求：正確地選擇安裝點(diǎn)和正確安裝流量計(jì)都是非常重要的環(huán)節(jié)，若安裝環(huán)節(jié)失誤輕者影響測量精度，重者會(huì)影響流量計(jì)的使用壽命，甚至?xí)p壞流量計(jì)。渦街流量計(jì)安裝對直管段的要求是非常重要的。它的詳細(xì)要求如下：流量計(jì)對安裝點(diǎn)上的上下游直管段一定的要求，否則會(huì)影響測量精度。若流量計(jì)安裝點(diǎn)上的上游有漸縮管，流量計(jì)上游應(yīng)有不小于15D(D為管道直徑)的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。若流量計(jì)安裝點(diǎn)上的上游有漸擴(kuò)管，流量計(jì)上游應(yīng)有不小于18D(D為管道直徑)的等徑直管段，下游應(yīng)有不小于5D的等徑直管段若流量計(jì)安裝點(diǎn)上游有90°彎頭或下行接頭，流量計(jì)上游應(yīng)有不小于20D的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。若流量計(jì)安裝點(diǎn)上游在同一平面上有90°彎頭，流量計(jì)上游應(yīng)有不小于25D的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。流量調(diào)節(jié)閥或壓力調(diào)節(jié)閥盡量安裝在流量計(jì)下游5D以遠(yuǎn)處，若必須安裝在流量計(jì)的上游，流量計(jì)上游應(yīng)有不小于25D的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。流量計(jì)上游若有活塞式或柱塞式泵，活塞式或羅茨式風(fēng)機(jī)、壓縮機(jī)，流量計(jì)上游應(yīng)有不小于25D的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。透明錐形管材料用得多的是玻璃，無導(dǎo)向結(jié)構(gòu)儀表測量氣體時(shí)操作不慎，玻璃管易被擊碎。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江金屬管浮子流量計(jì),流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521343955078/7020765.png"></div><p style="text-indent:25px">液體流量計(jì)是根據(jù)卡門渦原理制造用于測量密封管道中液體、氣體、蒸汽流量的精密儀表。液體流量計(jì)是根據(jù)卡門渦原理制造用于測量密封管道中液體、氣體、蒸汽流量的精密儀表，由于檢測元件密封在檢測體內(nèi)，不被測介質(zhì)，且內(nèi)部無可動(dòng)部件，無需進(jìn)行現(xiàn)場維護(hù)，因此深受廣大用戶的推崇，被廣用于紡織印染、石油、化工、冶金制藥、熱電、造紙，消防工業(yè)的計(jì)量管理及過程控制.有帶現(xiàn)場顯示3.6V電池供電和外供電源及輸出4-20mA;遠(yuǎn)傳顯示可配二次儀表液晶中文顯示，同時(shí)可帶溫度壓力補(bǔ)償。儀表直讀式，不需換算，使用方便，質(zhì)量可靠)。分流型相對于全流型只有部分被測流體流過浮子等流量檢測部分。黑龍江金屬管浮子流量計(jì)</p><p style="text-indent:25px">應(yīng)用在石化行業(yè)的特殊環(huán)境中，需要堅(jiān)固耐用的設(shè)計(jì)以及防爆認(rèn)證;用戶對直管設(shè)計(jì)的科氏流量計(jì)的需求等。黑龍江金屬管浮子流量計(jì)</p><p> 方面的考慮因素如下： </p> <p> 1．儀表性能方面：精確度、重復(fù)性、線性度、范圍度、壓力損失、上下限流量、信號輸出特性、響應(yīng)時(shí)間等； </p> <p> 2．流體特性方面：流體壓力、溫度、密度、粘度、潤滑性、化學(xué)性質(zhì)、磨損、腐蝕、結(jié)垢、臟污、氣體壓縮系數(shù)、等熵指數(shù)、比熱容、電導(dǎo)率、聲速、混相流、脈動(dòng)流等； </p> <p> 3．環(huán)境條件方面：環(huán)境溫度、濕度、安全性、電磁干擾等；浮子流量計(jì) </p> <p> 4．經(jīng)濟(jì)因素方面：購置費(fèi)、安裝費(fèi)、維修費(fèi)、校驗(yàn)費(fèi)、使用壽命、運(yùn)行費(fèi)（能耗）、備品備件等。 </p> <p> <br /> 黑龍江金屬管浮子流量計(jì)</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司坐落高新區(qū)發(fā)展大道25號軍民融合創(chuàng)新港，交通便利，環(huán)境優(yōu)美，是一家生產(chǎn)型企業(yè)。是一家私營有限責(zé)任公司企業(yè)，隨著市場的發(fā)展和生產(chǎn)的需求，與多家企業(yè)合作研究，在原有產(chǎn)品的基礎(chǔ)上經(jīng)過不斷改進(jìn)，追求新型，在強(qiáng)化內(nèi)部管理，完善結(jié)構(gòu)調(diào)整的同時(shí)，優(yōu)良的質(zhì)量、合理的價(jià)格、完善的服務(wù)，在業(yè)界受到廣泛好評。公司始終堅(jiān)持客戶需求第一的原則，致力于提供高質(zhì)量的[ "雷達(dá)料位計(jì)", "雷達(dá)物位計(jì)", "壓力變送器", "溫度變送器" ]。西安倫騫電器以創(chuàng)造高品質(zhì)產(chǎn)品及服務(wù)的理念，打造高指標(biāo)的服務(wù)，引導(dǎo)行業(yè)的發(fā)展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/974802.html</p></div></div></div></div></div><div id="f7p7jhn" class="page-right twoColRt"><div id="rgtvnfr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mg3wah8" class="recomPic likePro"><a 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