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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3jamwsj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplfb/637368287472812500/8131148.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3qhoa8u" 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排行榜,防爆緊急切斷閥</p><p><span>***更新：</span>2021-01-24 01:16:03</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ysebnhy" 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="y3nc7s8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="smoqizw" class="box"><p><p style="text-indent:25px">根據(jù)安全閥的結(jié)構(gòu)可分為：重錘（杠桿）式安全閥：用杠桿和重錘來(lái)平衡閥瓣的壓力。重錘式安全閥靠移動(dòng)重錘的位置或改變重錘的重量來(lái)調(diào)整壓力。它的優(yōu)點(diǎn)在于結(jié)構(gòu)簡(jiǎn)單；缺點(diǎn)是比較笨重回座力低。這種結(jié)構(gòu)的安全閥只能用于固定的設(shè)備上。彈簧式安全閥：利用壓縮彈簧的力來(lái)平衡閥瓣的壓力并使之密封。彈簧式安全閥靠調(diào)節(jié)彈簧的壓縮量來(lái)調(diào)整壓力，浙江防爆緊急切斷閥排行榜。它的優(yōu)點(diǎn)在于比重錘式安全閥體積小、輕便，靈敏度高，安裝位置不受嚴(yán)格限制；缺點(diǎn)是作用在閥桿上的力隨彈簧變形而發(fā)生變化。同時(shí)必須注意彈簧的隔熱和散熱問(wèn)題。彈簧式安全閥的彈簧作用力一般不要超過(guò)2000公斤。因?yàn)檫^(guò)大過(guò)硬的彈簧不適于精確的工作。脈沖式安全閥：脈沖式安全閥由主閥和輔閥組成，浙江防爆緊急切斷閥排行榜。主閥和輔閥連在一起，通過(guò)輔閥的脈沖作用帶動(dòng)主閥動(dòng)作，浙江防爆緊急切斷閥排行榜。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。浙江防爆緊急切斷閥排行榜</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排行榜,防爆緊急切斷閥" src="https://tyunfile.71360.com/UploadFile/shplfb/637368287472812500/8131148.png"></div><p style="text-indent:25px">燃?xì)饩o急切斷閥人為操作不當(dāng)故障，超壓操作。手搖油泵的設(shè)計(jì)壓力為4.0MPa，開(kāi)閥所需的壓力為3.5～4.0MPa，而打壓高達(dá)7.0～8.0MPa的情況很多。每年大約有30臺(tái)車的油泵因超壓損壞要送修，其中有兩成無(wú)法修復(fù)應(yīng)更換。開(kāi)閥程序錯(cuò)誤。違背打開(kāi)緊急切斷閥務(wù)必在球閥關(guān)閉狀態(tài)下進(jìn)行的原則。經(jīng)常出現(xiàn)先打開(kāi)球閥再打開(kāi)緊急切斷閥的錯(cuò)誤，這就無(wú)法讓過(guò)流閥上下壓力平衡，由于存在壓差，小彈簧不能推開(kāi)閥門。拼命加大油泵壓力不僅打不開(kāi)閥門，反而弄壞油泵。這是人員素質(zhì)低，不懂其工作原理造成的。浙江防爆緊急切斷閥排行榜電磁式緊急切斷閥的密封副基本上采用軟密封結(jié)構(gòu)，以保證關(guān)閉狀態(tài)下氣體介質(zhì)零泄漏。</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排行榜,防爆緊急切斷閥" src="https://tyunfile.71360.com/UploadFile/shplfb/637368287381074219/3929987.png"></div><p style="text-indent:25px">燃起緊急切斷閥的結(jié)構(gòu)簡(jiǎn)單、反應(yīng)靈敏、動(dòng)作可靠，在事故自鎖以及手動(dòng)復(fù)位的功能等特點(diǎn)已經(jīng)被各行各業(yè)已經(jīng)應(yīng)用了，主要的集中在下面幾點(diǎn)：如果和可燃?xì)怏w泄漏檢測(cè)儀器來(lái)連接，如果儀器檢測(cè)到可燃?xì)怏w的泄露時(shí)，會(huì)自動(dòng)快速的關(guān)閉主供氣體的閥門，切斷了燃?xì)獾墓┙o，及時(shí)的制止了惡性事故的發(fā)生。如果和熱力設(shè)備的極限溫度安全控制器來(lái)連接的話，當(dāng)設(shè)備里檢測(cè)點(diǎn)的溫度或者是壓力超過(guò)設(shè)定的極限數(shù)值的時(shí)候，要自動(dòng)快速的關(guān)閉供氣閥門，就停止了燃料的供給。在工廠的燃?xì)夤?yīng)管網(wǎng)內(nèi)設(shè)置燃?xì)饩o急切斷閥，可以在**控制室內(nèi)的集中控制，遠(yuǎn)距離的遙控，緊急的關(guān)閉事故現(xiàn)場(chǎng)的管線供氣，適合用于煤氣、天然氣以及液化石油氣等可燃?xì)怏w的切斷閥。</p><p style="text-indent:25px">緊急切斷閥與傳統(tǒng)執(zhí)行機(jī)構(gòu)相比優(yōu)點(diǎn)如下：調(diào)試簡(jiǎn)單調(diào)，執(zhí)行機(jī)構(gòu)**參數(shù)的初始調(diào)試可以通過(guò)現(xiàn)場(chǎng)操作接口和自帶軟件實(shí)現(xiàn)，不用拆卸就能完成。執(zhí)行機(jī)構(gòu)有兩個(gè)顯示窗，用于顯示執(zhí)行機(jī)構(gòu)的動(dòng)態(tài)信息和變量。上方的窗口可動(dòng)態(tài)顯示位置或力矩，下方(兩行)顯示具體的報(bào)警和警告信息等。在失電和手動(dòng)操作狀態(tài)時(shí)，位置也能繼續(xù)顯示。通過(guò)現(xiàn)場(chǎng)操作按鈕可以對(duì)執(zhí)行機(jī)構(gòu)進(jìn)行多方面的操作，并可以通過(guò)設(shè)置密碼來(lái)防止未經(jīng)授權(quán)的操作。所有內(nèi)部傳感器均為無(wú)接觸式。燃?xì)饩o急切斷閥與熱力設(shè)備的極限溫度(或壓力)安全控制器相連接。</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排行榜,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急切斷閥選型應(yīng)遵循安全性、科學(xué)性、可靠性、適用性、經(jīng)濟(jì)性五大原則以及現(xiàn)場(chǎng)的工況要求如：閥門通徑的大小、工作壓力、介質(zhì)種類、介質(zhì)溫度，緊急防爆切斷閥、環(huán)境溫度、電源電壓、連接方式、安裝方式、閥體材質(zhì)、特殊選項(xiàng)等。維護(hù)保養(yǎng)建議，使用單位指派專人負(fù)責(zé)操作和保養(yǎng)。每年1-2次的定期檢修使電磁閥可靠工作和長(zhǎng)壽的比較好方法。電磁閥內(nèi)部的下列4種情況，是妨礙電磁閥正常工作與縮短壽命的原因。使用中介質(zhì)發(fā)生變化接管內(nèi)生銹空壓機(jī)的油氧化，產(chǎn)生碳粒焦油等雜物，混入管道管道中有塵粒污垢等雜質(zhì)電磁閥安裝或長(zhǎng)期停用后再次投入運(yùn)行時(shí)須通入介質(zhì)嘗試動(dòng)作數(shù)次，工作正常后方可正式使用。蒸汽閥長(zhǎng)時(shí)間停用后投入運(yùn)行時(shí)，應(yīng)排凈凝結(jié)水后嘗試動(dòng)作數(shù)次，工作正常后方可正式使用。緊急防爆切斷閥、在維護(hù)之前，必須切斷電源，卸去介質(zhì)壓力。線圈組件不宜拆開(kāi)。緊急防爆切斷閥、拆開(kāi)電磁閥進(jìn)行清洗時(shí)，可使用煤油等溶液，但應(yīng)注意橡膠件可能會(huì)溶漲，因此需要更換。拆開(kāi)清洗后，各類零部件要按順序恢復(fù)原狀裝好。電磁式燃?xì)饩o急切斷閥廣泛應(yīng)用于供氣管網(wǎng)系統(tǒng)、燃?xì)鉄崮芄S、燃?xì)忮仩t房及住宅居所等場(chǎng)所。浙江防爆緊急切斷閥排行榜</p><p style="text-indent:25px">徑向閉合式是指切斷閥的閥口與氣流方向平行。浙江防爆緊急切斷閥排行榜</p><p style="text-indent:25px">當(dāng)設(shè)備內(nèi)檢測(cè)點(diǎn)的溫度或壓力超過(guò)設(shè)定的極限數(shù)值時(shí)，自動(dòng)快速關(guān)閉供氣閥門，停止燃料的供給。與高層建筑的**消防泄露儀器系統(tǒng)相連接。當(dāng)大廈發(fā)生火情時(shí)，自動(dòng)切斷大廈內(nèi)的燃?xì)夤?yīng)，防止意外情況的發(fā)生。在城市或工廠的燃?xì)夤?yīng)管網(wǎng)內(nèi)設(shè)置燃?xì)饩o急切斷閥，可在**控制室內(nèi)集中控制，遠(yuǎn)距離遙控，緊急關(guān)閉事故現(xiàn)場(chǎng)的管線供氣。適用于煤氣、天燃?xì)饧耙夯蜌獾瓤扇細(xì)怏w，普遍應(yīng)用于供氣管網(wǎng)系統(tǒng)，燃?xì)鉄崮芄S車間，燃?xì)忮仩t房及住宅居住所的安全設(shè)施。可靠的技術(shù)性能；極低的負(fù)荷損失；極高的安全性能；較佳的節(jié)能性能；快速切斷性能。燃?xì)饩o急切斷閥是活塞式帶導(dǎo)向銷設(shè)計(jì)，手柄、活塞、導(dǎo)向銷，三點(diǎn)**，活塞長(zhǎng)久動(dòng)作不偏移，密封性能可以達(dá)到零泄漏，各種燃?xì)夤芫€均能勝任，完全解決您的后顧之憂。浙江防爆緊急切斷閥排行榜</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2979890.html</p></div></div></div></div></div><div id="8qxz3v9" class="page-right twoColRt"><div id="nrykm77" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="povxe34" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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