黃山防爆緊急切斷閥是做什么用的鑄造輝煌上海派力防爆科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="液壓式是通過液壓油泵頂桿，聯(lián)動內(nèi)部凸輪打開緊急切斷閥，關(guān)閉時只需泄掉管路油壓即可關(guān)閉。當(dāng)發(fā)生火災(zāi)等突發(fā)情況時，可由手控關(guān)閉，亦可自控關(guān)閉。手控是松開限位手柄或泄掉管路油壓，使緊急切斷閥關(guān)閉，黃山防爆緊急切斷閥是做什么用的。自控是通過閥體上設(shè)"><meta name="keywords" content="黃山防爆緊急切斷閥是做什么用的,防爆緊急切斷閥"><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 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href="http://www.cdcfah.com/cp/third-qdyjcg_diancifaak/">電磁閥</a>?黃山防爆緊急切斷閥是做什么用的鑄造輝煌上海派力防爆科技供應(yīng)</p><div id="nqhxhrb" class="leftbox clearfix"><h1>黃山防爆緊急切斷閥是做什么用的鑄造輝煌上海派力防爆科技供應(yīng)</h1><div id="kdd8kmg" class="proBig"><div id="fi3qhm8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplfb/637368287381074219/3929987.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pr2ujuz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplfb/637368287381074219/3929987.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xggqalg" 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>黃山防爆緊急切斷閥是做什么用的,防爆緊急切斷閥</p><p><span>***更新：</span>2020-12-22 07:20:11</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="lx77o3o" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海派力防爆科技有限公司</a></p><p><span>聯(lián)系人：</span>張軍克</p><p><span>郵箱: </span>junkezhang88@163.com</p><p><span>電話: </span>15000234576</p><p><span>傳真: </span>0577_</p><p><span>網(wǎng)址: </span>http://www.palex.com.cn</p><p><span>手機: </span>0577-57769997</p><p><span>地址: </span>老港鎮(zhèn)老蘆公路536號</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="adtzz37" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nepet3a" class="box"><p><p style="text-indent:25px">液壓式是通過液壓油泵頂桿，聯(lián)動內(nèi)部凸輪打開緊急切斷閥，關(guān)閉時只需泄掉管路油壓即可關(guān)閉。當(dāng)發(fā)生火災(zāi)等突發(fā)情況時，可由手控關(guān)閉，亦可自控關(guān)閉。手控是松開限位手柄或泄掉管路油壓，使緊急切斷閥關(guān)閉，黃山防爆緊急切斷閥是做什么用的。自控是通過閥體上設(shè)置的易熔合金元件（易熔塞），在受到周圍溫度超過易熔合金元件（易熔塞）的熔融溫度，閥門自動關(guān)閉，發(fā)揮緊急切斷功能。緊急切斷閥還有過流保護功能，在發(fā)生管路破損等情況，導(dǎo)致介質(zhì)流量加大超過額定流量時，黃山防爆緊急切斷閥是做什么用的，閥門自動關(guān)閉，黃山防爆緊急切斷閥是做什么用的。閥門采用先導(dǎo)式閥瓣，開啟輕松。黃山防爆緊急切斷閥是做什么用的</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黃山防爆緊急切斷閥是做什么用的,防爆緊急切斷閥" src="https://tyunfile.71360.com/UploadFile/shplfb/637368287381074219/3929987.png"></div><p style="text-indent:25px">電動防爆緊急切斷閥主要特點：閥門采用防靜電、防火等安全措施。電動執(zhí)行器配有手輪裝置可以在現(xiàn)場關(guān)閉閥門當(dāng)無故斷電時閥門自行關(guān)閉無需人員到現(xiàn)場去關(guān)閉閥門，防爆電動緊急切斷閥可通過PLC遠程控制和就地控制來切換。當(dāng)事故排除通電后無需工作人員去操作，閥門自行打開跟之前關(guān)閉的位置。關(guān)閉時，順時針旋轉(zhuǎn)手輪，閥桿開始下降并使球體離開閥座開始旋轉(zhuǎn)。繼續(xù)旋轉(zhuǎn)手輪，閥桿受到嵌于其上螺旋槽內(nèi)的導(dǎo)銷的作用，使閥桿和球體同時旋轉(zhuǎn)90°。快要關(guān)閉時，球體已在與閥座無接觸的情況下旋轉(zhuǎn)了90°。手輪轉(zhuǎn)動的后面幾圈，閥桿底部的角形平面機械地楔向壓迫球體，使其緊密地壓在閥座上，達到完全密封。黃山防爆緊急切斷閥是做什么用的閥門采用防靜電、防火等安全措施。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黃山防爆緊急切斷閥是做什么用的,防爆緊急切斷閥" src="https://tyunfile.71360.com/UploadFile/shplfb/637368287299384766/1896510.png"></div><p style="text-indent:25px">燃?xì)饩o急切斷閥是安裝在燃?xì)鈨?、管道出口處緊急時能夠快速切斷的閥門，利用電磁執(zhí)行機構(gòu)控制閥門關(guān)閉管道氣源，是目前比較理想的安全型閥門之一。燃?xì)饩o急切斷閥分為常開型、常閉型緊急切斷閥。燃?xì)饩o急切斷閥結(jié)構(gòu)簡單，反應(yīng)靈敏，動作可靠，事故自鎖及手動復(fù)位功能等特點已經(jīng)被各行各業(yè)所應(yīng)用了。主要集中在以下方面：與可燃?xì)怏w泄漏監(jiān)測儀器相連接。當(dāng)儀器檢測到可燃?xì)怏w泄漏時，自動快速關(guān)閉主供氣體閥門,切斷燃?xì)獾墓┙o，及時制止惡性事故的發(fā)生。.與熱力設(shè)備的極限溫度(或壓力)安全控制器相連接。</p><p style="text-indent:25px">機械式緊急切斷閥主要依靠機械動作的方式來進行觸發(fā)，常用于油站的燃油加油機上，常見的類型有安全拉斷閥、剪切閥等。這類閥門的閥體設(shè)計有薄弱結(jié)構(gòu)環(huán)節(jié)，牢固的安裝在加油機機架上，以便外部加油管的沖擊力能夠傳遞到閥體上。比如槽車在加油站注油過程中，槽車不小心沿著下坡道滑下或者人為操作失誤導(dǎo)致槽車前行，此時槽車和加油管還沒有分開的情況下即駛離加油機，閥門瞬間承受注油管拉拔的沖擊力，閥體薄弱結(jié)構(gòu)環(huán)節(jié)處能立即斷裂脫開，觸發(fā)緊急關(guān)閉機構(gòu)，閥門密封副能自動封閉，從而防止槽車?yán)辜佑蜋C和燃油泄漏，又保證了人身安全。因此機械式緊急切斷閥靠的是閥體受到額外沖擊載荷致薄弱結(jié)構(gòu)處斷裂，觸發(fā)緊急關(guān)閉機械開關(guān)，實現(xiàn)緊急切斷，故機械式緊急切斷閥一般是常開結(jié)構(gòu)設(shè)計，常用于低壓燃油管的出口，安全拉斷閥的閥體材質(zhì)常常采用碳鋼或鋁合金，剪切閥的閥體材質(zhì)常常采用脆性的材料（球墨鑄鐵、黃銅合金等），同時閥體薄弱環(huán)節(jié)的斷裂強度在滿足管道壓力要求和實用要求前提下應(yīng)易于完全斷裂脫開。彈簧緊急切斷閥是在遇到突發(fā)情況斷電后緊急關(guān)閉閥門或者打開閥門。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黃山防爆緊急切斷閥是做什么用的,防爆緊急切斷閥" src="https://tyunfile.71360.com/UploadFile/shplfb/637368287339453125/3026081.png"></div><p style="text-indent:25px">緊急切斷閥電控的工作原理：本閥氣源入口按裝一只二位三通電磁閥，利用遠程電器控制臺控制閥門開關(guān)。燃?xì)庑孤﹫缶鲌缶?電磁閥通電排氣,閥門自動關(guān)閉.手動控制電磁閥(按下紅色卡子)排氣,閥門自動關(guān)閉.閥門在無外壓力操作情況下，閥瓣處于常閉狀態(tài)，在貯罐系統(tǒng)上使用時，緊急切斷閥與油泵或貯氣瓶配套使用，靠手搖油或氨氣的壓力將閥門打開，在油路或者氣的壓力使用下閥門處于開啟狀態(tài)，當(dāng)需要關(guān)閉閥門或遇到有緊急情況時，可將油壓或者氨氣壓力泄掉，閥門即自動關(guān)閉。閥瓣關(guān)閉時，壓力是依靠打開泄壓閥或操作手輪或者管路上的易熔塞在溫度升高時自行熔化來實現(xiàn)。閥門工作介質(zhì)的流動方向應(yīng)是高進低出，與普通截止閥流向正好下反。閥門法蘭的連接尺寸按JB/T79.1-94《凸面整體鑄鋼法蘭》或HG20592-97尺寸標(biāo)準(zhǔn)。防爆燃?xì)饩o急切斷閥為了防止燃?xì)庑孤?。黃山防爆緊急切斷閥是做什么用的</p><p style="text-indent:25px">防爆電動緊急切斷閥可通過PLC遠程控制和就地控制來切換。黃山防爆緊急切斷閥是做什么用的</p><p style="text-indent:25px">一種防爆燃?xì)饩o急切斷閥，包括閥體，閥體的閥座配置有閥瓣，閥瓣上設(shè)置有閥桿，閥桿配置有電控執(zhí)行器，其特征是：所述電控執(zhí)行器設(shè)置于模塊化殼體中，模塊化殼體包括相互扣合的執(zhí)行器安裝殼和電子總成安裝殼，電子總成安裝殼套接并固定在金屬閥蓋上，所述執(zhí)行器安裝殼中設(shè)置有驅(qū)動閥桿上升的電控執(zhí)行器，電子總成安裝殼中安裝有電子總成，電子總成連接并控制電控執(zhí)行器，所述電子總成包括PLC控制組件、無線信號收發(fā)裝置和電池。工作準(zhǔn)則，閥門在日常工作中常開。狀態(tài)，電磁閥線圈處于斷電狀態(tài)并且不消耗電能。事故發(fā)生時，閥門線圈瞬間通電，觸發(fā)閥門快速關(guān)閉，進入自鎖狀態(tài)。此時，即使斷電，閥門仍處于自鎖狀態(tài)，不會自動重新打開。閥門采用先導(dǎo)式閥瓣，易于打開。即使壓力達到6bar，也很容易打開。直徑大于DN125。杠桿手柄用于使閥門節(jié)省人力和快速。當(dāng)工作人員處理事故并手動重啟閥門時，將恢復(fù)供氣。注意：也可根據(jù)要求提供帶斷電的常閉緊急切斷閥。黃山防爆緊急切斷閥是做什么用的</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2511832.html</p></div></div></div></div></div><div id="k3ozo2g" class="page-right twoColRt"><div id="3a2zetd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="e9xyefg" 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" 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