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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="3ozvri9" class="twoCol"><div id="bzxd38y" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_qdyjcg/">氣動(dòng)元件</a>?<a href="http://www.cdcfah.com/cp/third-qdyjcg_diancifaak/">電磁閥</a>?浙江防爆緊急切斷閥貼心服務(wù) 上海派力防爆科技供應(yīng)</p><div id="emdexca" class="leftbox clearfix"><h1>浙江防爆緊急切斷閥貼心服務(wù) 上海派力防爆科技供應(yīng)</h1><div id="wkg3tm4" class="proBig"><div id="nabxdp4" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplfb/637368287366943360/2507009.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xar8hcl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplfb/637368287366943360/2507009.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zc30ug4" 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>浙江防爆緊急切斷閥,防爆緊急切斷閥</p><p><span>***更新：</span>2021-02-07 09:16:52</p><p><span id="click" >瀏覽次數(shù)：10次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="mpbhyeh" 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(jī): </span>0577-57769997</p><p><span>地址: </span>老港鎮(zhèn)老蘆公路536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="wzvbxir" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rvbbagc" class="box"><p><p style="text-indent:25px">燃?xì)饩o急切斷閥安裝注意事項(xiàng)：閥門(mén)安裝單位應(yīng)具備相應(yīng)資質(zhì)并按相關(guān)的燃?xì)夤艿朗┕ひ?guī)范安裝。閥門(mén)應(yīng)安裝在戶內(nèi)的總進(jìn)氣閥之后，以便檢修。應(yīng)按閥體標(biāo)明的氣流方向安裝，閥體線圈不得倒立，允許水平和垂直安裝。電磁閥" >電磁閥控制線應(yīng)正確可靠連接，控制線有極性：白色線為正極黑色線為負(fù)極，不能接反，浙江防爆緊急切斷閥。管道吹掃時(shí)，浙江防爆緊急切斷閥，建議將電磁閥隔離，以免管內(nèi)雜物損壞閥門(mén)密封材料。管道在進(jìn)行試壓檢測(cè)密封性能前，應(yīng)先使電磁閥處開(kāi)閥狀態(tài)。手動(dòng)開(kāi)閥時(shí)，浙江防爆緊急切斷閥，宜在閥門(mén)進(jìn)出口壓力平衡時(shí)操作。電動(dòng)關(guān)閥時(shí)，切忌接錯(cuò)電源，如：接錯(cuò)極性、加錯(cuò)電壓或長(zhǎng)時(shí)間通電等，以免損壞電磁線圈。家用燃?xì)饩o急切斷閥是一種電啟動(dòng)型關(guān)閉器件，適用于管道煤氣、天然氣等各種氣源。浙江防爆緊急切斷閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江防爆緊急切斷閥,防爆緊急切斷閥" src="https://tyunfile.71360.com/UploadFile/shplfb/637368287366943360/2507009.png"></div><p style="text-indent:25px">液壓式是通過(guò)液壓油泵頂桿，聯(lián)動(dòng)內(nèi)部凸輪打開(kāi)緊急切斷閥，關(guān)閉時(shí)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(shí)，可由手控關(guān)閉，亦可自控關(guān)閉。手控是松開(kāi)限位手柄或泄掉管路油壓，使緊急切斷閥關(guān)閉。自控是通過(guò)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(guò)易熔合金元件（易熔塞）的熔融溫度，閥門(mén)自動(dòng)關(guān)閉，發(fā)揮緊急切斷功能。緊急切斷閥還有過(guò)流保護(hù)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(guò)額定流量時(shí)，閥門(mén)自動(dòng)關(guān)閉。浙江防爆緊急切斷閥電磁式燃?xì)饩o急切斷閥很少用于高壓。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江防爆緊急切斷閥,防爆緊急切斷閥" src="https://tyunfile.71360.com/UploadFile/shplfb/637368287191923828/5769674.png"></div><p style="text-indent:25px">自力式緊急切斷閥，若管道壓力>0。4MPa，球閥兩端引壓管線將壓力傳至壓力控制器，壓力連桿向上推動(dòng)。手動(dòng)液壓泵的部分液壓油由控制液管進(jìn)入三通控制閥，經(jīng)液壓控制管進(jìn)入手動(dòng)卸壓閥推動(dòng)旋塞向右移動(dòng)，此時(shí)連通，關(guān)閉，手動(dòng)液壓泵液壓油進(jìn)入液壓執(zhí)行器液壓缸，推動(dòng)活塞向左移動(dòng)，帶動(dòng)閥體連桿轉(zhuǎn)動(dòng)，打開(kāi)切斷閥;若管道壓力<0。4MPa，在三通控制閥內(nèi)彈簧作用下，壓力連桿向下運(yùn)動(dòng)，液壓控制管和液壓控制回油管連通，手動(dòng)卸壓閥推動(dòng)旋塞向左移動(dòng)，關(guān)閉，連通，液壓執(zhí)行器彈簧推動(dòng)活塞向右移動(dòng)，帶動(dòng)閥體連桿轉(zhuǎn)動(dòng)，關(guān)閉切斷閥。</p><p style="text-indent:25px">當(dāng)然在次高壓環(huán)境中使用的電磁式燃?xì)饩o急切斷閥，利用內(nèi)部壓力反向推動(dòng)作用減小了對(duì)電磁力的要求，由于采用特殊的密封設(shè)計(jì)，使其即可用作液態(tài)液化石油氣的管道輸送，較大工作壓力可達(dá)1.6MPa，又可在低壓氣體環(huán)境中良好密封，做到了工作壓力從1.5kPa到1.6MPa的全覆蓋，達(dá)到一閥多用的功能。根據(jù)電磁式燃?xì)饩o急切斷閥的應(yīng)用特點(diǎn)，大多數(shù)切斷閥應(yīng)用于中低壓場(chǎng)合。需要注意的是，隨著壓力的降低，對(duì)閥門(mén)設(shè)計(jì)和材質(zhì)的要求也隨之降低，閥門(mén)的品牌和種類隨之增多。為選型帶來(lái)困難。燃?xì)饩o急切斷閥作為燃?xì)廨斉湎到y(tǒng)中的一種安全裝置，有自力式燃?xì)饩o急切斷閥和電磁式燃?xì)饩o急切斷閥兩種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江防爆緊急切斷閥,防爆緊急切斷閥" src="https://tyunfile.71360.com/UploadFile/shplfb/637368287381074219/3929987.png"></div><p style="text-indent:25px">燃?xì)饩o急切斷閥的可靠性如何，軟密封，切斷效果好，但不適宜用于顆粒介質(zhì)，一旦劃傷，泄漏會(huì)急劇增加。因此，條件允許時(shí)盡量選用硬密封?！癘”型球閥硬密封可達(dá)10-5，三偏心蝶閥可達(dá)零泄漏。對(duì)密封耐磨性的考慮：除選硬密封外，對(duì)泄漏要求10-4以上的切斷型調(diào)節(jié)閥，必須堆焊耐磨合金以提高密封的耐磨性、耐沖蝕、耐劃傷的能力，提高燃?xì)馇袛嚅y的壽命對(duì)高溫介質(zhì)的切斷調(diào)節(jié)閥在室溫下組裝的，在高溫下工作，溫度變化幾百度。熱膨脹會(huì)改變裝配時(shí)建立的密封比壓。過(guò)緊，密封面會(huì)卡信，運(yùn)動(dòng)時(shí)會(huì)嚴(yán)重檫傷，拉傷；過(guò)松，密封壓不夠，兩種情況泄漏都會(huì)急劇增加。解決的較好辦法是用彈性閥座來(lái)吸收這一變化造成的差異。通常有三種彈性方案：①?gòu)椈墒?；②薄片式柔性金屬環(huán)；③剛?cè)嵯酀?jì)的彈性閥座。后者較好，既有柔性克服熱膨脹，又有剛度并堆焊耐磨合金來(lái)提高耐磨面的可靠性。對(duì)含顆粒的沖蝕介質(zhì)，要考慮閥芯避開(kāi)高速介質(zhì)的直接沖蝕。燃?xì)馇袛嚅y對(duì)于硬密封，必須有足夠的硬度差，同一硬度材料“互不相讓”，很容易劃傷而引起泄漏。氣體緊急切斷閥是常開(kāi)脈沖觸發(fā)式電磁閥，具有事故自鎖和手動(dòng)復(fù)位功能。浙江防爆緊急切斷閥</p><p style="text-indent:25px">燃?xì)饩o急切斷閥有可靠的技術(shù)性能。浙江防爆緊急切斷閥</p><p style="text-indent:25px">ZCRB防爆燃?xì)饩o急切斷閥功能和工作原理：該系列閥門(mén)是常開(kāi)脈沖觸發(fā)式電磁閥，具有事故自鎖和手動(dòng)復(fù)位功能。閥門(mén)在日常工作中處于常開(kāi)狀態(tài)，電磁閥線圈處于斷電狀態(tài)，不消耗電能。當(dāng)事故發(fā)生時(shí)，閥門(mén)線圈立即通電，觸發(fā)閥門(mén)快速關(guān)閉并進(jìn)入自鎖狀態(tài)。此時(shí)，即使斷電，閥門(mén)仍處于自鎖閉合狀態(tài)，不會(huì)自動(dòng)重新打開(kāi)。該閥采用先導(dǎo)式閥瓣，易于打開(kāi)。即使壓力達(dá)到6bar，也很容易打開(kāi)。直徑大于DN125。杠桿手柄用于使閥門(mén)以較低的力度和速度到達(dá)目標(biāo)開(kāi)關(guān)。當(dāng)工作人員處理事故并手動(dòng)重新打開(kāi)閥門(mén)時(shí)，將恢復(fù)供氣?？筛鶕?jù)要求提供帶斷電關(guān)閉功能的常閉緊急切斷閥。浙江防爆緊急切斷閥</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3201464.html</p></div></div></div></div></div><div id="rvlr3g3" class="page-right twoColRt"><div id="d8f3hdu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mul373x" 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)" 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