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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>海南防火閥服務(wù)哪家好,防火閥</p><p><span>***更新：</span>2021-01-30 03:15:58</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="gas3yam" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">佛山文質(zhì)通風(fēng)設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>馮達(dá)斌</p><p><span>郵箱: </span>751633122@qq.com</p><p><span>電話: </span>13679725711</p><p><span>傳真: </span>0757_</p><p><span>網(wǎng)址: </span>http://fswztf.1688.com</p><p><span>手機(jī): </span>0757-85965668</p><p><span>地址: </span>大瀝鎮(zhèn)黃岐六聯(lián)鄉(xiāng)高力中村倉(cāng)庫(kù)(自編)3號(hào)(住所申報(bào))</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="cda3c8b" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ud3yan7" class="box"><p><p style="text-indent:25px">自重式防火閥通常安裝在空調(diào)或通風(fēng)系統(tǒng)的管道中，也可安裝在防火墻或地臺(tái)內(nèi)，防火閥安裝后，葉片（葉片組）保持開(kāi)啟狀態(tài)，當(dāng)通過(guò)防火閥氣流的溫度超過(guò)防火閥易熔片的熔斷溫度時(shí)，防火閥易熔片熔斷，葉片在重力作用下自動(dòng)關(guān)閉，阻止高溫氣流及火焰蔓延。安裝自重式防火閥的注意事項(xiàng)：自重式防火閥動(dòng)作的動(dòng)力來(lái)源于自重力，海南防火閥服務(wù)哪家好，所以說(shuō)它不但不能垂直安裝，而且轉(zhuǎn)90度、倒裝，海南防火閥服務(wù)哪家好，都是不行的，必須按只有的方向安裝（閥門(mén)葉片的重力方向)，這樣才能保證在溫感熔化后葉片在重力的作用下可靠關(guān)閉，海南防火閥服務(wù)哪家好。遠(yuǎn)程控制型排煙防火閥可遠(yuǎn)距離手動(dòng)開(kāi)啟、手動(dòng)復(fù)位關(guān)閉。海南防火閥服務(wù)哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南防火閥服務(wù)哪家好,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174336738282/9361786.png"></div><p style="text-indent:25px">設(shè)置防火閥位置：通風(fēng)、空氣調(diào)節(jié)系統(tǒng)的風(fēng)管在下列部位應(yīng)設(shè)置公稱動(dòng)作溫度為70℃的防火閥：穿越防火分區(qū)處;穿越通風(fēng)、空氣調(diào)節(jié)機(jī)房的房間隔墻和樓板處;穿越重要或火災(zāi)危險(xiǎn)性大的場(chǎng)所的房間隔墻和樓板處; 穿越防火分隔處的變形縫兩側(cè); 豎向風(fēng)管與每層水平風(fēng)管交接處的水平管段上。注：當(dāng)建筑內(nèi)每個(gè)防火分區(qū)的通風(fēng)、空氣調(diào)節(jié)系統(tǒng)均**設(shè)置時(shí)，水平風(fēng)管與豎向總管的交接處可不設(shè)置防火閥。防火閥平時(shí)呈開(kāi)啟狀態(tài)，火災(zāi)發(fā)生當(dāng)管道內(nèi)氣體溫度達(dá)到70℃或280℃時(shí)也就是達(dá)到易熔金屬片熔斷溫度，其芯軸上壓縮彈簧和彈簧銷(xiāo)釘迅速打下離合器墊板，這時(shí)，離合器和葉片調(diào)節(jié)機(jī)構(gòu)脫開(kāi)，閥體上裝有兩個(gè)扭轉(zhuǎn)彈簧，使葉片受到扭力而發(fā)生轉(zhuǎn)動(dòng)，執(zhí)行關(guān)閉，可以有效隔煙防火。崇左防火閥制造商常開(kāi)型排煙防火閥當(dāng)管道溫度達(dá)到280℃時(shí)，熔斷器動(dòng)作，閥門(mén)自動(dòng)關(guān)閉。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南防火閥服務(wù)哪家好,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174440576172/5261893.png"></div><p style="text-indent:25px">閥門(mén)的閥體和葉片基本大同小異，不同功能的閥門(mén)主要區(qū)別在于執(zhí)行機(jī)構(gòu)，所以要弄清楚防火閥的功能，就需要了解執(zhí)行機(jī)構(gòu)的基本原理。實(shí)現(xiàn)手動(dòng)、溫控、電動(dòng)動(dòng)作的防火閥。溫感器遇高溫?cái)嚅_(kāi)，彈簧由拉伸狀態(tài)變?yōu)檎顟B(tài)，帶動(dòng)杠桿和凸輪脫開(kāi)，凸輪轉(zhuǎn)動(dòng)帶動(dòng)閥片轉(zhuǎn)動(dòng)，實(shí)現(xiàn)溫度控制閥門(mén)動(dòng)作；類似的，電磁鐵通電實(shí)現(xiàn)遠(yuǎn)程電動(dòng)動(dòng)作。常開(kāi)和常閉是閥門(mén)出廠時(shí)的狀態(tài)，其差別只是閥門(mén)葉片和凸輪的安裝角度不同而已，比如0°時(shí)是常開(kāi)，那么調(diào)成90°就是常閉。</p><p style="text-indent:25px">防火閥一般分為兩種：一種只輸出動(dòng)作信號(hào)（像70°防火閥）這種防火閥的模塊只需要信號(hào)線加反饋線；防火閥的設(shè)置：為了阻止火災(zāi)時(shí)火勢(shì)和有毒高溫?zé)煔馔ㄟ^(guò)風(fēng)管蔓延擴(kuò)大，在通風(fēng)、空調(diào)系統(tǒng)的風(fēng)管上需設(shè)置防火閥。廚房、浴室和廁所等的排風(fēng)管道與豎井連接時(shí)也應(yīng)采取相應(yīng)措施防止火勢(shì)沿著排風(fēng)管在各樓層間蔓延。自動(dòng)排煙防火閥：此類閥適用于設(shè)有感煙探測(cè)器自動(dòng)報(bào)警控制和機(jī)械排煙的場(chǎng)所，安裝在排煙管道上，兼有自動(dòng)排煙閥和防火閥的功能。平時(shí)處于關(guān)閉狀態(tài)，需要排煙時(shí)，其動(dòng)作和功能與排煙閥相同，可自動(dòng)開(kāi)啟排煙。當(dāng)管道內(nèi)氣流溫度達(dá)到280℃時(shí)，閥門(mén)靠裝有280℃易熔金屬的溫度熔斷器而自動(dòng)關(guān)閉，切斷氣流，防止火災(zāi)蔓延。排煙防火閥漏風(fēng)量低，氣密功能比較好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南防火閥服務(wù)哪家好,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174394492188/7492810.png"></div><p style="text-indent:25px">電動(dòng)雙向防火閥作用及原理可手動(dòng)六檔調(diào)節(jié)閥門(mén)開(kāi)度；溫控：溫感器動(dòng)作閥門(mén)自動(dòng)關(guān)閉；電控：消防電信號(hào)（DC24V）電磁鐵動(dòng)作閥門(mén)自動(dòng)關(guān)閉；再次供電，電信號(hào)（DC24V）閥門(mén)依靠電機(jī)復(fù)位；手動(dòng)關(guān)閉、手動(dòng)復(fù)位輸出二組觸點(diǎn)信號(hào)防爆閥用于含有可燃?xì)怏w或可燃物質(zhì)的除塵系統(tǒng)中，可作為易爆管道或設(shè)備的卸壓裝置。防爆閥的膜片通常要根據(jù)除塵系統(tǒng)運(yùn)行壓力及可燃物質(zhì)的含量進(jìn)行計(jì)算，而后選擇材質(zhì)、厚度劃痕，切不可因選擇不當(dāng)影響系統(tǒng)的正常運(yùn)行。常開(kāi)型排煙防火閥平時(shí)呈常開(kāi)狀態(tài)，火災(zāi)發(fā)生時(shí)，閥門(mén)保持開(kāi)啟狀態(tài)。海南防火閥服務(wù)哪家好</p><p style="text-indent:25px">防火閥可以選擇安裝手動(dòng)、電動(dòng)、全自動(dòng)三種不同機(jī)構(gòu)實(shí)現(xiàn)不同的功能要求。海南防火閥服務(wù)哪家好</p><p style="text-indent:25px">排煙防火閥是安裝在家用空調(diào)送、排風(fēng)系統(tǒng)或著單純性的房間內(nèi)送、排風(fēng)系統(tǒng)管道上的，房間內(nèi)著火后排煙防火閥的易熔桿在做到70°時(shí)融斷，排煙防火閥關(guān)掉關(guān)鍵功效是為了更好地一間屋子著火后不許明火和煙根據(jù)管道勾結(jié)到其他屋子去?！≡谧匀煌L(fēng)、空調(diào)機(jī)組管道里設(shè)防火閥，在防排煙系統(tǒng)管道里設(shè)排煙防火閥，以避免火災(zāi)事故時(shí)高溫有害煙塵傳送，造成火災(zāi)事故擴(kuò)散擴(kuò)張和毒副作用加劇。在以下?tīng)顩r之一的自然通風(fēng)、空調(diào)機(jī)組的風(fēng)管應(yīng)設(shè)定防火閥：管道穿越重生疏散出口的隔斷墻處;管道穿越重生自然通風(fēng)、空調(diào)系統(tǒng)主機(jī)房及關(guān)鍵的或火災(zāi)危險(xiǎn)性大的屋子隔斷墻和混凝土樓板處;豎直風(fēng)管與各層水準(zhǔn)風(fēng)管相接處的水準(zhǔn)管段，管道穿越重生建筑變形縫的兩邊。海南防火閥服務(wù)哪家好</p><p style="text-indent:25px">佛山文質(zhì)通風(fēng)設(shè)備有限公司主要經(jīng)營(yíng)范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。文質(zhì)通風(fēng)致力于為客戶提供良好的3cf消防認(rèn)證防火閥，鋁合金空調(diào)出風(fēng)口，通風(fēng)管道消聲器，消防風(fēng)機(jī)，一切以用戶需求為中心，深受廣大客戶的歡迎。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。文質(zhì)通風(fēng)秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3073015.html</p></div></div></div></div></div><div id="t22tlnz" class="page-right twoColRt"><div id="wlvmjlm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bfczg7f" 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)" class="vcenter" 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