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<script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu 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"index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="smoq8qa" class="twoCol"><div id="fphzwoq" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_yaliyibiao/">壓力儀表</a>?<a href="http://www.cdcfah.com/cp/third-yaliyibiao_yalibiao/">壓力表</a>?江西不銹鋼隔膜壓力表供應歡迎咨詢漢木儀表科技供應</p><div id="swoq2c2" class="leftbox clearfix"><h1>江西不銹鋼隔膜壓力表供應歡迎咨詢漢木儀表科技供應</h1><div id="nbjgdac" class="proBig"><div id="ds38q2c" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/hanmuyibiao/637449415205243082/7651849.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rlipr3o" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/hanmuyibiao/637449415205243082/7651849.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="84khj4v" 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>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>江西不銹鋼隔膜壓力表供應,隔膜壓力表</p><p><span>***更新：</span>2021-01-06 08:22:16</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="rdxda9v" 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: </span>021-66782218</p><p><span>地址: </span>上海市寶山區(qū)毛家路125弄79號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="esk3fhe" class="page-proshow02"><p class="title">詳細說明</p><div id="q8nfxmd" class="box"><p><p> 一起聊計量一、什么是一般壓力表?一般壓力表是指結(jié)構(gòu)為單圈”C”型彈簧管，精度等級比較高為1級，測量值超過大氣壓力，用于測量對儀表零件不起腐蝕作用的液體、氣體和蒸汽的表壓力的儀表.它包括工業(yè)用單圈彈簧管式壓力表(普通壓力表)、壓力真空表、氧氣壓力表、電接點壓力表等.檢定依據(jù)規(guī)程JJG52-2013彈性元件式一般壓力表、壓力真空表和真空表二、一般壓力表有什么用途?1.監(jiān)視受壓容器內(nèi)部所充介質(zhì)運行中的工作情況，以便恰當?shù)乜刂剖軌喝萘?，保護生產(chǎn)設(shè)備的安全.2.了解生產(chǎn)過程中物料變化狀態(tài)，使某些工藝參數(shù)控制在給定的條件下，以保證產(chǎn)品符合質(zhì)量的要求.3.通過掌握壓力參數(shù)，為操作人員監(jiān)視、控制和調(diào)節(jié)生產(chǎn)提供可靠的依據(jù)三、一般壓力表有什么優(yōu)點?1.結(jié)構(gòu)簡單，堅固耐用，使用維護方便，工作安全可靠.2.外形小，重量輕，測量范圍廣，指示明顯，直接讀數(shù).3.在一般振動狀態(tài)下影響小，有足夠的精度，有足夠的示值穩(wěn)定性.4.價格低廉..四、一般壓力表由哪些主要部件組成?一般壓力表的主要部件有彈簧管、機芯、示值機構(gòu)，江西不銹鋼隔膜壓力表供應、外殼等，江西不銹鋼隔膜壓力表供應.關(guān)鍵部件有兩大件:一個是彈簧管，它是壓力表的感壓元件，將壓力變換成位移;一個是機芯，它是壓力表的心臟，江西不銹鋼隔膜壓力表供應。能將彈簧管自由端的微小位移量放大。指針式壓力表和數(shù)字式壓力的使用區(qū)別。江西不銹鋼隔膜壓力表供應</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西不銹鋼隔膜壓力表供應,隔膜壓力表" src="https://tyunfile.71360.com/WaterMark/UploadFile/hanmuyibiao/637449415205243082/7651849.png"></div><p> 6.當檢測溫度高于60℃的液體、蒸汽和可凝性氣體的壓力時，就地安裝的壓力表的取源部件應帶有環(huán)型或U型冷凝彎。7.壓力取源部件在水平和傾斜的工藝管道上安裝時，取壓口的方位應符合下列規(guī)定：測量氣體壓力時，在工藝管道的上半部。測量液體壓力時，在工藝管道的下半部與工藝管道的水平中心線成0～45度夾角的范圍內(nèi)。測量蒸汽壓力時，在工藝管道的上半部及下半部與工藝管道水平中心線成0～45度夾角的范圍內(nèi)。安裝附件的選擇測量易液化的氣體時，若取壓點高于儀表，應選用分離器。測量含粉塵的氣體時，應選用除塵器。測量含脈動壓力時，應選用針型閥和緩沖器。在使用環(huán)境溫度接近或低于測量介質(zhì)的冰點或凝固點時，應采取絕熱或伴熱措施。測量高溫介質(zhì)時，應采用散熱裝置。壓力表安全更換操作操作準備按規(guī)定穿戴好勞動保護，防止服裝被纏繞和在易燃易爆場所產(chǎn)生靜電。準備250mm活動扳手、17mm板扳手、密封帶等工具。操作前檢查根據(jù)工藝參數(shù)選擇合適量程的壓力表，壓力表應滿足工作壓力在壓力表量程的1/3—2/3之間。按要求應選用與換下壓力表量程一致的壓力表。檢查壓力表所在流程有無異常，掌握壓力值的正常范圍。更換操作選擇合理站位，關(guān)閉舊壓力表控制閥門，截斷壓力源。浙江不銹鋼隔膜壓力表供應指針型壓力表的哪些款式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西不銹鋼隔膜壓力表供應,隔膜壓力表" src="https://tyunfile.71360.com/WaterMark/UploadFile/hanmuyibiao/637449414819041944/3634042.png"></div><p> 膜片壓力表和隔膜壓力表的區(qū)別？膜片壓力表和隔膜壓力表的區(qū)別在日常工作中經(jīng)常會遇到這樣的事情，用戶明明需要的是隔膜壓力表，而在合同或者電話溝通時卻說膜片壓力表，之所以會出現(xiàn)這種情況，就是因為這兩種壓力表外形一樣，下面就兩種表的主要區(qū)別做簡單介紹。隔膜壓力表工作原理：當用隔膜壓力表測量壓力時，被測量工作介質(zhì)直接作用在隔離膜片上，膜片向上產(chǎn)生向上的變形，通過彈簧管內(nèi)的灌充液將介質(zhì)壓力傳遞給彈簧管，使彈簧管末端產(chǎn)生彈性形變，借助連桿機構(gòu)帶動機芯齒輪軸轉(zhuǎn)動，從而使指針在刻度盤上指示出被測壓力值。膜片壓力表工作原理：在壓力作用下，被測量工作介質(zhì)直接作用在彈性膜片上，膜片向上（測量正壓）或者向下（測量負壓）產(chǎn)生彈性形變，借助固定在膜片中心的連桿機構(gòu)帶動機芯齒輪軸旋轉(zhuǎn)，從而使指針在刻度盤上指示出被測壓力值。兩種壓力表的區(qū)別主要為：在壓力作用下，被測量工作介質(zhì)直接作用在彈性膜片上，膜片向上（測量正壓）或者向下（測量負壓）產(chǎn)生彈性形變，借助固定在膜片中心的連桿機構(gòu)帶動機芯齒輪軸旋轉(zhuǎn)，從而使指針在刻度盤上指示出被測壓力值。（1）彈性元件不同：隔膜壓力表的彈性元件為彈簧管，膜片只是起隔離作用。</p><p> 用于供熱、空調(diào)、冷卻和循環(huán)系統(tǒng)；用于民用及工業(yè)用途；用于消防；用于灌溉；用于日常用途及民用,工業(yè),園藝,灌溉用途；用于雨水積蓄工程；用于必須低噪音的場合；用于增壓，適合輸送腐蝕、性、顆粒的水或液體；適合管網(wǎng)增壓。管道泵管道泵是為管道增壓輸送，解決管道壓力過低而研制的新穎泵，比目前應用臥式離心泵具有更大的優(yōu)越性。使用要點：1）試車工作：檢查連接件是否松動；用手盤動聯(lián)軸器使轉(zhuǎn)子轉(zhuǎn)數(shù)圈，看機組轉(zhuǎn)動是否靈活，是否有響聲和輕重不勻的感覺，以判斷泵內(nèi)有否異物或軸是否彎曲，密封件安裝正不正等；檢查密封腔內(nèi)的清潔20號潤滑油是否加注1/2腔內(nèi)空間；管道泵機組表面是否干凈；機組轉(zhuǎn)向空載測試。2）管道泵手動啟動：灌泵（***次），稍開出口閥，啟動電機，壓力上升并確認為泵組運轉(zhuǎn)平穩(wěn)時漸開出口閥至工況要求。3）管道泵運行檢查：泵在工頻（變頻）正常運行時，應定時檢查并記錄其泵組電流表、電壓表、進出口真空表、壓力表和流量計等儀表的讀數(shù)。機組的振動、噪音、溫升等是否正常。軸封處不應有明顯的航油泄漏。性能參數(shù)：管道泵是為管道增壓輸送，解決管道壓力過低而研制的新穎泵，比目前應用臥式離心泵具有更大的優(yōu)越性。隔膜壓力表使用時需要注意哪些問題呢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西不銹鋼隔膜壓力表供應,隔膜壓力表" src="https://tyunfile.71360.com/WaterMark/UploadFile/hanmuyibiao/637449413726766507/4444352.png"></div><p> 化工活動家推薦閱讀昨日***中海油大榭石化│減壓渣油加工路線的優(yōu)化PPT│95頁往復式壓縮機培訓課件，看了就有收獲！推薦閱讀洛陽院│《石油化工企業(yè)設(shè)計防火規(guī)范》消防部分條文詳細解讀PPT│什么是透平機？透平機組原理和系統(tǒng)詳解！三年行動計劃之自動化減人----SIL評估的尷尬干貨分享│圖文解析汽輪機軸封系統(tǒng)，不怕你不懂！漲知識│乙烯裝置前加氫和后加氫工藝有什么不同？哪種工藝更加***？重疊式連續(xù)重整和并列式連續(xù)重整在工藝上有什么相同與不同之處？干貨分享│電磁流量計的工作原理《精細化工企業(yè)工程設(shè)計防火標準》執(zhí)行在即，為何設(shè)計人員對其如此關(guān)注？干貨分享│煉化行業(yè)常見儀表的干擾因素與消除措施，收藏備用！PPT│化工設(shè)計的內(nèi)容和程序干貨分享│一文講透電動調(diào)節(jié)閥工作原理、選擇、安裝、使用及維修干貨分享│乙烯裝置深冷系統(tǒng)開車重點、難點分析想了解石化行業(yè)儲運罐區(qū)測控與安全技術(shù)？趕緊來寧波參會！精餾塔工藝操作影響因素及對策，收藏備用！干貨分享│SIS的聯(lián)鎖和DCS的聯(lián)鎖動作的區(qū)別如何實現(xiàn)乙烯裝置無乙烯。壓力表出現(xiàn)故障后應該如何解決。浙江MF隔膜壓力表批發(fā)</p><p style="text-indent:25px">衛(wèi)生型壓力表一般用在什么設(shè)備上。江西不銹鋼隔膜壓力表供應</p><p> **大工作壓力不應超過測量上限值的2/3；測量脈動壓力時，**大工作壓力不應超過測量上限值的1/2；測量高壓時，**大工作壓力不應超過測量上限值的3/5。一般被測壓力的**小值應不低于儀表測量上限值的1/3。從而保證儀表的輸出量與輸人量之間的線性關(guān)系.提高儀表測量結(jié)果的精確度和靈敏度。根據(jù)被測參數(shù)的**大值和**小值計算出儀表的上、下限后、不能以此數(shù)值直接作為儀表的測量范圍。我們在選用儀表的標尺上限值時，應在國家規(guī)定的標準系列中選取。中國的壓力表測量范圍標準系列有：0-1,"MPa（其中n為自然整數(shù).可為正、負值）。3、精度等級的選取根據(jù)工藝生產(chǎn)允許的**大***誤差和選定的儀表**程、計算出儀表允許的**大引用誤差，在國家規(guī)定的精度等級中確定儀表的精度。一般來說，所選用的儀表越精密，則測量結(jié)果越精確、可靠。但不能認為選用的儀表精度越高越好，因為越精密的儀表一般價格越貴，操作和維護越費事。因此，在滿足工藝要求的前提下，應盡可能選用精度較低、價廉耐用的儀表。選用舉例：1、用于測量黏稠或酸堿等特殊介質(zhì)時，應選用隔膜壓力表、不銹鋼彈簧管、不銹鋼機芯、不銹鋼外殼或膠木外殼。按其所測介質(zhì)不同，在壓力表上應有規(guī)定的色標。江西不銹鋼隔膜壓力表供應</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，交通便利，環(huán)境優(yōu)美，是一家貿(mào)易型企業(yè)。公司是一家有限責任公司企業(yè)，以誠信務實的創(chuàng)業(yè)精神、專業(yè)的管理團隊、踏實的職工隊伍，努力為廣大用戶提供***的產(chǎn)品。公司業(yè)務涵蓋壓力表，數(shù)字式壓力表，不銹鋼耐震壓力表，溫度表熱電偶，價格合理，品質(zhì)有保證，深受廣大客戶的歡迎。漢木儀表順應時代發(fā)展和市場需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的壓力表，數(shù)字式壓力表，不銹鋼耐震壓力表，溫度表熱電偶。</p></p><br /><p>文章來源地址: 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