湖北數(shù)字壓力表批發(fā) 服務(wù)至上漢木儀表科技供應(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=" 根據(jù)被測(cè)**大壓力算出一個(gè)數(shù)值后，從壓力表量程系列中選取稍大于該值的數(shù)值即為所選量程。3、壓力表種類的選擇測(cè)量不同介質(zhì)和使用環(huán)境要選用不同種類壓力表（1）一般介質(zhì)，如空氣、水、蒸汽、油等，可用"><meta name="keywords" content="湖北數(shù)字壓力表批發(fā),壓力表"><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 name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" 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href="http://www.cdcfah.com/cp/third-yaliyibiao_yalibiao/">壓力表</a>?湖北數(shù)字壓力表批發(fā) 服務(wù)至上漢木儀表科技供應(yīng)</p><div id="rvdtrpv" class="leftbox clearfix"><h1>湖北數(shù)字壓力表批發(fā) 服務(wù)至上漢木儀表科技供應(yīng)</h1><div id="fbzpn9r" class="proBig"><div id="rd7bzfd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/hanmuyibiao/637450210290692345/44725.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nrh999t" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/hanmuyibiao/637450210290692345/44725.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="r9fdfvr" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖北數(shù)字壓力表批發(fā),壓力表</p><p><span>***更新：</span>2021-01-04 02:20:44</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="njh7zv7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">漢木（上海）儀表科技有限公司</a></p><p><span>聯(lián)系人：</span>徐華</p><p><span>郵箱: </span>532478234@qq.com</p><p><span>電話: </span>13661851014</p><p><span>傳真: </span>021_66782218</p><p><span>網(wǎng)址: </span>http://www.han-mu.com</p><p><span>手機(jī): </span>021-66782218</p><p><span>地址: </span>上海市寶山區(qū)毛家路125弄79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="7nvth7v" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="7ljzxvj" class="box"><p><p> 根據(jù)被測(cè)**大壓力算出一個(gè)數(shù)值后，從壓力表量程系列中選取稍大于該值的數(shù)值即為所選量程。3、壓力表種類的選擇測(cè)量不同介質(zhì)和使用環(huán)境要選用不同種類壓力表（1）一般介質(zhì)，如空氣、水、蒸汽、油等，可用普通壓力表。（2）對(duì)于特殊介質(zhì)需用**壓力表，湖北數(shù)字壓力表批發(fā)，如氨類用氨用壓力表；氧氣類用氧用壓力表；氫氣類用壓力表；乙炔類用乙炔壓力表等等。（3）對(duì)于一般性腐蝕介質(zhì)，及有腐蝕性氣體環(huán)境，可選用不銹鋼型壓力表。（4）對(duì)于測(cè)量粘度大，易結(jié)晶、腐蝕性大、溫度較高的液體、氣體或有固體浮游物的介質(zhì)壓力測(cè)量，選用隔膜式壓力表。（5）對(duì)于脈沖性介質(zhì)及機(jī)械振動(dòng)場(chǎng)合的壓力測(cè)量。選用耐震型壓力表。（6）有遠(yuǎn)傳要求時(shí)可選用遠(yuǎn)傳型壓力表，遠(yuǎn)傳信號(hào)有電流型和電阻型及電壓型。（7）有控制保護(hù)要求時(shí)可選用電接點(diǎn)壓力表，湖北數(shù)字壓力表批發(fā)。（8）有防爆要求時(shí)必須選用防爆型，如防爆電接點(diǎn)壓力表。壓力表的精度等級(jí)是以它的允許誤差占表盤刻度值的百分?jǐn)?shù)來(lái)劃分的，其精度等級(jí)數(shù)越大允許誤差占表盤刻度極限值越大。壓力表的量程越大，同樣精度等級(jí)的壓力表，湖北數(shù)字壓力表批發(fā)，它測(cè)得壓力值的***值允許誤差越大。工業(yè)中的使用：經(jīng)常使用的壓力表的精度為、級(jí)，如果是，現(xiàn)在有的數(shù)字壓力表已經(jīng)達(dá)到。Y100BF不銹鋼壓力表的圖片。湖北數(shù)字壓力表批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北數(shù)字壓力表批發(fā),壓力表" src="https://tyunfile.71360.com/WaterMark/UploadFile/hanmuyibiao/637450210290692345/44725.png"></div><p> 一般型壓力表的精度等級(jí)分別為、、、。選擇壓力表精度等級(jí)的方法：應(yīng)根據(jù)生產(chǎn)工藝、經(jīng)濟(jì)實(shí)用、檢測(cè)方法等提出的要求，按被測(cè)壓力**小值所要求的允許誤差來(lái)確定精度等級(jí)。2、壓力表量程的選擇1）.測(cè)量穩(wěn)定壓力時(shí)，**大工作壓力不應(yīng)超過(guò)量程的2/3。2）.測(cè)量脈動(dòng)壓力時(shí)，**大工作壓力不應(yīng)超過(guò)量程的1/23）.測(cè)量高壓時(shí)，**大工作壓力不應(yīng)超過(guò)量程的3/54）．為保證測(cè)量準(zhǔn)確度，**小工作壓力應(yīng)不低于量程的1/3。按以上原則，根據(jù)被測(cè)**大壓力算出一個(gè)數(shù)值后，從壓力表量程系列中選取稍大于該值的數(shù)值即為所選量程。3．壓力表種類的選擇測(cè)量不同介質(zhì)和使用環(huán)境要選用不同種類壓力表1）．一般介質(zhì)，如空氣、水、蒸汽、油等，可用普通壓力表。2）．對(duì)于特殊介質(zhì)需用**壓力表，如氨類用氨用壓力表；氧氣類用氧用壓力表；氫氣類用壓力表；乙炔類用乙炔壓力表等等。3）．對(duì)于一般性腐蝕介質(zhì)，及有腐蝕性氣體環(huán)境，可選用不銹鋼型壓力表。4）．對(duì)于測(cè)量粘度大，易結(jié)晶、腐蝕性大、溫度較高的液體、氣體或有固體浮游物的介質(zhì)壓力測(cè)量，選用隔膜式壓力表。5）．對(duì)于脈沖性介質(zhì)及機(jī)械振動(dòng)場(chǎng)合的壓力測(cè)量。選用耐震型壓力表。6）．有遠(yuǎn)傳要求時(shí)可選用遠(yuǎn)傳型壓力表。湖北數(shù)字壓力表批發(fā)漢木壓力表價(jià)廉物美。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北數(shù)字壓力表批發(fā),壓力表" src="https://tyunfile.71360.com/WaterMark/UploadFile/hanmuyibiao/637445070317722287/9164799.png"></div><p> 壓力表是常見的計(jì)量器具，廣泛應(yīng)用于各個(gè)生產(chǎn)領(lǐng)域。壓力表的選用應(yīng)根據(jù)使用要求，在滿足工藝技術(shù)要求的前提下，應(yīng)本著節(jié)約實(shí)用的原則***地綜合考慮，做到合理地選擇精度等級(jí)、量程、種類和型號(hào)。一、數(shù)字壓力表精度等級(jí)的選擇一般壓力表的精度等級(jí)為：精密數(shù)字壓力表即高精度數(shù)字壓力表的精度等級(jí)可達(dá)二、數(shù)字壓力表量程的選擇在選擇數(shù)字壓力表時(shí)應(yīng)明確所測(cè)壓力為：負(fù)壓/復(fù)合、微壓、常規(guī)、超高壓，所測(cè)壓力不同，價(jià)格也會(huì)不同。這里需要注意的是：1.測(cè)量穩(wěn)定壓力時(shí)，**大工作壓力不應(yīng)超過(guò)量程的2/3。2.測(cè)量脈動(dòng)壓力時(shí)，**大工作壓力不應(yīng)超過(guò)量程的1/23.測(cè)量高壓時(shí)，**大工作壓力不應(yīng)超過(guò)量程的3/54．為保證測(cè)量準(zhǔn)確度，**小工作壓力應(yīng)不低于量程的1/3。按以上原則，根據(jù)被測(cè)**大壓力算出一個(gè)數(shù)值后，從壓力表量程系列中選取稍大于該值的數(shù)值即為所選量程。三、測(cè)量介質(zhì)測(cè)量不同介質(zhì)和使用環(huán)境要選用不同種類壓力表1．水、氣、油、液對(duì)不銹鋼無(wú)腐蝕的介質(zhì)數(shù)字壓力表均能滿足2．對(duì)于特殊介質(zhì)在選購(gòu)時(shí)可跟廠家溝通好，通過(guò)選用不同芯體、不同材質(zhì)外殼等定制的方案來(lái)實(shí)現(xiàn)四、是否需要帶控制或遠(yuǎn)程信號(hào)要求1．有控制保護(hù)要求時(shí)可選用數(shù)顯壓力開關(guān)或壓力控制器。</p><p> 壓力表精度等級(jí)是壓力表精確度等級(jí)或準(zhǔn)確度等級(jí)的簡(jiǎn)稱,(GB/T1226-2001《一般壓力表》國(guó)家標(biāo)準(zhǔn)稱之為儀表的精確度等級(jí),JJG52-1999《彈簧管式一般壓力表、壓力真空表和真空表》稱之為儀表的準(zhǔn)確度等級(jí).壓力表精度等級(jí)含義壓力表的精度等級(jí)，是以允許誤差占?jí)毫Ρ砹砍痰陌俜致蕘?lái)表示的，一般分為、1、、2、、3、4七個(gè)等級(jí)（鍋爐上不用3級(jí)和4級(jí)），數(shù)值越小，其精度越高。例如，表盤量程0～2．5MPa精度2．5級(jí)的壓力表，它的指針?biāo)緣毫χ蹬c被測(cè)介質(zhì)的實(shí)際壓力值之間的允許誤差，不得超過(guò)上2．5MPa×2．5％=±0．0625MPa；當(dāng)壓力表指示壓力為0．8MPa時(shí)，實(shí)際氣壓在0．7375～0．8625MPa之間。由此可見，壓力表實(shí)際誤差的大小，不但與精度有關(guān)，而且還與壓力表的量程大小有關(guān)。量程相同時(shí)，精度越高（即數(shù)字越?。瑝毫Ρ淼脑试S誤差越小。精度相同時(shí)，量程越大，壓力表的誤差越大。二．壓力表是常見的計(jì)量器具，廣泛應(yīng)用于各個(gè)生產(chǎn)領(lǐng)域。壓力表的選用應(yīng)根據(jù)使用要求，在滿足工藝技術(shù)要求的前提下，應(yīng)本著節(jié)約實(shí)用的原則***地綜合考慮，做到合理地選擇精度等級(jí)、量程、種類和型號(hào)。1、壓力表精度等級(jí)的確定精密型壓力表的精度等級(jí)分別為、、、。壓力表范圍-0.1-0mpa 是真空表。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北數(shù)字壓力表批發(fā),壓力表" src="https://tyunfile.71360.com/WaterMark/UploadFile/hanmuyibiao/637450209863700126/8839189.png"></div><p> 摘要：暖通空調(diào)工程的質(zhì)量不*取決于設(shè)計(jì)的水平和設(shè)備的性能，而且取決于安裝的質(zhì)量，安裝工程的質(zhì)量直接影響工程項(xiàng)目的使用功能與長(zhǎng)期正常運(yùn)行。為此，本文分析了暖通空調(diào)工程水系統(tǒng)安裝施工技術(shù)，提出管道與設(shè)備的防腐與絕熱以及暖通空調(diào)水系統(tǒng)安裝的注意事項(xiàng)，以供參考。關(guān)鍵詞：暖通空調(diào)；水系統(tǒng)；安裝引言：暖通空調(diào)在生活生產(chǎn)中的應(yīng)用范圍越來(lái)越廣，在暖通空調(diào)的安裝過(guò)程中，需要注意的難點(diǎn)和要點(diǎn)也比較多。隨著近年來(lái)人們對(duì)生活質(zhì)量要求的不斷提高，暖通空調(diào)設(shè)備的安裝施工問(wèn)題，備受業(yè)內(nèi)關(guān)注。在暖通空調(diào)設(shè)備的安裝過(guò)程中，要緊密結(jié)合實(shí)際情況進(jìn)行綜合布局、精細(xì)分析，既要符合人們的審美觀念，又要滿足人們的生活需求。具體來(lái)說(shuō)，要運(yùn)用**科學(xué)的手段方法，對(duì)暖通空調(diào)設(shè)備進(jìn)行綜合安裝調(diào)試，優(yōu)化安裝技術(shù)水平和工藝手段，確保為人們提供舒適的生活環(huán)境。暖通空調(diào)中，如水系統(tǒng)出現(xiàn)了故障問(wèn)題，就會(huì)使得供暖通風(fēng)的任務(wù)無(wú)法正常完成，因此，確保水循環(huán)系統(tǒng)的通暢是暖通空調(diào)設(shè)備安裝中的重中之重。一、暖通空調(diào)工程水系統(tǒng)安裝施工技術(shù)1.安裝支管。在完成空調(diào)設(shè)備的安裝后再進(jìn)行其配管的安裝?？照{(diào)機(jī)組的配管。空調(diào)機(jī)組的表冷器不但可以并聯(lián)使用，還可以串聯(lián)使用。Y100BF/MC/316L衛(wèi)生型壓力表的廠家。湖北數(shù)字壓力表批發(fā)</p><p style="text-indent:25px">Y100不銹鋼壓力表有哪些規(guī)格。湖北數(shù)字壓力表批發(fā)</p><p> 耐震壓力表按接口位置：分為徑向和軸向；壓力表螺紋接口的位置,螺紋接口在表盤下方是徑向的,與表盤垂直的是軸向的。徑向和軸向壓力表特殊壓力表：氧氣壓力表與普通壓力表在結(jié)構(gòu)和材質(zhì)方面可以完全一樣，只是氧用壓力表必須禁油。因?yàn)橛瓦M(jìn)人氧氣系統(tǒng)易引起。氧氣壓力表電接點(diǎn)壓力表：加裝上下限觸點(diǎn)機(jī)構(gòu)，壓力偏離給定范圍時(shí)發(fā)出報(bào)警信號(hào)。電接點(diǎn)壓力表表徑的選擇壓力儀表的表徑指儀表外殼的直徑，常用的有60mm、l00mm、150mm、200mm、250mm等規(guī)格。一般根據(jù)檢測(cè)，儀表所處位置和照明情況來(lái)選用適合的表徑，以能便于觀察清楚為宜。在遠(yuǎn)距離和較暗處，適于用100mm以上直徑的儀表。量程的選擇當(dāng)被測(cè)壓力變化范圍**和**小工作壓力可能不能同時(shí)滿足上述要求時(shí)，選擇儀表量程應(yīng)首先要滿足**大工作壓力條件。壓力表測(cè)量范圍標(biāo)準(zhǔn)系列有："MPa（其中n為自然整數(shù).可為正、負(fù)值）。一般在被測(cè)壓力較穩(wěn)定的情況下，**大工作壓力不應(yīng)超過(guò)儀表滿量程的2／3；在被測(cè)壓力波動(dòng)較大或測(cè)脈動(dòng)壓力時(shí)，**大工作壓力不應(yīng)超過(guò)儀表滿量程的1／2；為了保證測(cè)量準(zhǔn)確度．**小工作壓力不應(yīng)低于滿量程的1／3；精度的選擇壓力檢測(cè)儀表的精度主要根據(jù)生產(chǎn)允許的**大誤差來(lái)確定。湖北數(shù)字壓力表批發(fā)</p><p style="text-indent:25px">漢木（上海）儀表科技有限公司位于上海市寶山區(qū)毛家路125弄79號(hào)，擁有一支專業(yè)的技術(shù)團(tuán)隊(duì)。在漢木儀表近多年發(fā)展歷史，公司旗下現(xiàn)有品牌上海震揚(yáng)光電,Ham等。公司不**提供專業(yè)的儀器儀表，自動(dòng)化設(shè)備，電子電器，電線電纜，閥門水泵，機(jī)械p配件，通訊設(shè)備，計(jì)算機(jī)配件，橡膠制品，機(jī)電設(shè)備，五金交電，辦公用品，建筑裝潢材料的批發(fā)兼零售（依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營(yíng)活動(dòng)），同時(shí)還建立了完善的售后服務(wù)體系，為客戶提供良好的產(chǎn)品和服務(wù)。漢木（上海）儀表科技有限公司主營(yíng)業(yè)務(wù)涵蓋壓力表，數(shù)字式壓力表，不銹鋼耐震壓力表，溫度表熱電偶，堅(jiān)持“質(zhì)量保證、良好服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2692058.html</p></div></div></div></div></div><div id="thpntzp" class="page-right twoColRt"><div id="t7j7999" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7j7fv75" 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) 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