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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>桂林防火閥廠,防火閥</p><p><span>***更新：</span>2020-11-10 01:22:07</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="xmvhjqs" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">佛山文質(zhì)通風設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>馮達斌</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: </span>0757-85965668</p><p><span>地址: </span>大瀝鎮(zhèn)黃岐六聯(lián)鄉(xiāng)高力中村倉庫(自編)3號(住所申報)</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="vp78tab" class="page-proshow02"><p class="title">詳細說明</p><div id="7yhd7bi" class="box"><p><p style="text-indent:25px">在電動排煙防火閥送風系統(tǒng)中，送風機送出的風必須通過主干管分配到支管中；在排煙系統(tǒng)中，煙氣由支管到主干管后，進入排煙風機排出，桂林防火閥廠。當建筑物內(nèi)發(fā)生火災時，在通風、空調(diào)系統(tǒng)中，為了防止火勢通過送風系統(tǒng)蔓延，當送風系統(tǒng)中氣體溫度達到70℃時，電動排煙防火閥機構(gòu)上熔斷器動作，閥門亦迅速關(guān)閥，切斷煙氣與火勢沿風管蔓延的通路。同樣，在排煙系統(tǒng)中，發(fā)生火災時，排煙閥開啟，桂林防火閥廠，進行排煙，為了截斷高溫煙氣在排煙管路中流動，防止火勢蔓延到另一防火分區(qū)，當排出的煙氣溫度達到280℃時，排煙防火閥、排煙口上熔斷器動作，閥門必須自動關(guān)閉，阻止排煙。由此可見，防火閥、排煙閥做到了該通則通，該斷則斷的隔煙阻火作用，桂林防火閥廠。排煙風機房入口也應(yīng)安裝排煙防火閥，以防火勢蔓延到風機房所在層。桂林防火閥廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="桂林防火閥廠,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174394492188/7492810.png"></div><p style="text-indent:25px">在排煙系統(tǒng)管道上設(shè)排煙防火閥，以防止火災時高溫有毒煙氣傳輸，引起火災蔓延擴大和毒性加重，排煙閥管道穿越防火分區(qū)的隔墻處；管道穿越通風、空氣調(diào)節(jié)機房及重要的或火災危險性大的房間隔墻和樓板處；垂直風管與每層水平風管交接處的水平管段；管道穿越變形縫的兩側(cè)。防火閥和排煙防火閥并不是一種產(chǎn)品，其作用也不一樣，防火閥：作用是防火，700C溫度熔斷器自動關(guān)閉，可聯(lián)動，用于通風空調(diào)系統(tǒng)風管內(nèi)。防煙防火閥：依靠煙感控制動作，電動關(guān)閉(防煙)，也可700C溫度熔斷器自動關(guān)閉(防火)用于通風空調(diào)系統(tǒng)風管內(nèi)。儋州防火閥服務(wù)哪家好排煙系統(tǒng)的防火閥是在火災是排煙的，煙氣溫度較高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="桂林防火閥廠,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174468476563/9962033.png"></div><p style="text-indent:25px">由于煙氣的瞬時溫度可能超過15 0℃，即使設(shè)置了1 5 0℃的消防閥，也可能產(chǎn)生誤操作，更不用說隨意規(guī)定的消防閥的工作溫度會給商品的標準化帶來困難。建議不應(yīng)在此安裝消防閥，如有必要，可采取防止回流的技術(shù)措施。有**認為應(yīng)安裝2 80℃消防閥，或有**認為可安裝70℃主動密封消防閥，作者同意后一種觀點，對于排風排煙組合系統(tǒng)中的出氣室消防閥，部分**認為消防閥應(yīng)設(shè)置在2 80℃。由于補給溫度過高，可能會引起火災，危及人民的安全。</p><p style="text-indent:25px">3C防火閥是用來阻斷來自火災區(qū)的煙氣及火焰經(jīng)過，并在一定時間內(nèi)能滿足耐火穩(wěn)定性和耐火完好性請求的閥門。為了將火災的損失減少到更小必需采取有效的防火、防排煙措施，以控制火勢蔓延，而防火閥在通風、空調(diào)及防排煙系統(tǒng)中的合理設(shè)置，則起到了重要的作用。適合3C防火閥的安裝位置。3C防火閥通常能夠裝置于空調(diào)設(shè)備如新風機組、空調(diào)機組等出風口的送風主風道上。能夠裝置于風道穿越防火分區(qū)時。裝置于風道穿越建筑構(gòu)造的伸縮沉降縫時。當風道在無法防止的狀況下，穿越易燃的車間或房間時。常開型排煙防火閥手動關(guān)閉，手動開啟。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="桂林防火閥廠,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174440576172/5261893.png"></div><p style="text-indent:25px">在現(xiàn)行標準中，常規(guī)通風空調(diào)系統(tǒng)中火閥的工作溫度通常為70℃，通常由通風空調(diào)系統(tǒng)的較高溫度確定，比正常運行時的通風空調(diào)系統(tǒng)的較高溫度高出25℃左右。正常運行的通風空調(diào)系統(tǒng)的溫度一般為45≤50℃，宜設(shè)為70℃。這一溫度也與國家標準圖中消防閥的工作溫度和主動噴水滅火系統(tǒng)的啟動溫度有關(guān)。但“國家民用建筑工程設(shè)計技術(shù)措施”暖通空調(diào)?！半娫础狈肿C指出，廚房排煙管道在公共建筑與直排氣管的交界處，應(yīng)設(shè)置一個工作溫度為150℃的消防閥。作者認為這條規(guī)則是不恰當?shù)?。排風防火閥執(zhí)行機構(gòu)驅(qū)動靈活，反饋、聯(lián)鎖信號準確。桂林防火閥廠</p><p style="text-indent:25px">防火閥是一種記憶熔合金的溫度控制，利用重力作用和彈簧機構(gòu)的作用關(guān)閉的閥門形式。桂林防火閥廠</p><p style="text-indent:25px">安裝在機械排煙系統(tǒng)的管道上，平時呈開啟狀態(tài)，火災時當排煙管道內(nèi)煙氣溫度達到280℃時關(guān)閉，并在一定時間內(nèi)能滿足漏煙量和耐火完整性要求，起隔煙阻火作用的閥門。設(shè)置位置：排煙管道下列部位應(yīng)設(shè)置排煙防火閥：垂直風管與每層水平風管交接處的水平管段上;一個排煙系統(tǒng)負擔多個防煙分區(qū)的排煙支管上;排煙風機入口處;穿越防火分區(qū)處。排煙防火閥在280℃時應(yīng)自行關(guān)閉，并應(yīng)連鎖關(guān)閉排煙風機和補風機。安裝在機械排煙系統(tǒng)各支管端部(煙氣吸入口)處，平時呈關(guān)閉狀態(tài)并滿足漏風量要求，火災時可手動和電動啟閉，起排煙作用的閥門。系統(tǒng)中任一排煙閥或排煙口開啟時，排煙風機、補風機自動啟動。桂林防火閥廠</p><p style="text-indent:25px">佛山文質(zhì)通風設(shè)備有限公司是一家風機、風扇制造；制冷、空調(diào)設(shè)備制造；家用空氣調(diào)節(jié)器制造；安全、消防用金屬制品制造；管道和設(shè)備安裝；日用家電批發(fā)；日用家電零售；廚具衛(wèi)具及日用雜品批發(fā)；五金產(chǎn)品批發(fā)；五金零售；其他機械設(shè)備及電子產(chǎn)品批發(fā)；其他室內(nèi)裝飾材料零售；其他日用品零售；貿(mào)易代理；其他未列明批發(fā)業(yè)；其他未列明零售業(yè)。（依法須經(jīng)批準的項目，經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動。）的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于3cf消防認證防火閥，鋁合金空調(diào)出風口，通風管道消聲器，消防風機，是機械及行業(yè)設(shè)備的主力軍。文質(zhì)通風始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。文質(zhì)通風始終關(guān)注機械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1921072.html</p></div></div></div></div></div><div id="kjyprdz" class="page-right twoColRt"><div id="fp2iu3u" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uedpws8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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