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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>賀州防火閥直銷公司,防火閥</p><p><span>***更新：</span>2020-10-22 12:35:08</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="hgsuby2" 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(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="82c33fa" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="udp84ov" class="box"><p><p style="text-indent:25px">通風(fēng)管是火災(zāi)時不使用的到70度時關(guān)閉防火閥起到阻止火災(zāi)蔓延的作用。排煙系統(tǒng)的防火閥是在火災(zāi)是排煙的，煙氣溫度較高，到280度時，這個火災(zāi)通過機械排風(fēng)已經(jīng)達不到效果了，排煙閥關(guān)閉防止風(fēng)機等設(shè)備損壞。70常開防火常開。遇火關(guān)閉。排煙防火280常閉，遇火打開始排煙開當(dāng)空氣氣流到280關(guān)閉。送風(fēng)機=正壓風(fēng)機=補風(fēng)機,叫法不同而以,多種用途,輸送氣體溫度80℃以下排煙風(fēng)機,用于消防排煙,要求280℃下運行30min，賀州防火閥直銷公司,也可用于廚房排油煙排風(fēng)機，賀州防火閥直銷公司，賀州防火閥直銷公司,多種用途,輸送氣體溫度80℃以下280度防火閥工作原理是極易熔合金的溫度控制，利用重力作用和彈簧機構(gòu)的作用關(guān)閉閥門。賀州防火閥直銷公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="賀州防火閥直銷公司,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174284033204/8175892.png"></div><p style="text-indent:25px">用輸入輸出模塊，主機到輸入輸出模塊四根線，兩根信號線兩根24v電源線，模塊到280防火閥四根線，兩根啟動，兩根回答，回答接到防火閥的常開點上。防火閥安裝在通風(fēng)、空調(diào)系統(tǒng)的送、回風(fēng)管路上，平時呈開啟狀態(tài)，火災(zāi)時當(dāng)管道內(nèi)氣體溫度達到70℃時，易熔片熔斷，閥門在扭簧力作用下自動關(guān)閉，在一定時間內(nèi)能滿足耐火穩(wěn)定性和耐火完整性要求，起隔煙阻火作用的閥門。閥門關(guān)閉時，輸出關(guān)閉信號。排煙防火閥安裝在排煙系統(tǒng)管路上，平時一般呈關(guān)閉狀態(tài)，火災(zāi)時手動或電動開啟，起排煙作用。當(dāng)排煙管道內(nèi)煙氣溫度達到280℃時關(guān)閉，在一定時間內(nèi)能滿足耐火穩(wěn)定性和耐火完整性要求，起排煙作用的閥門。賀州防火閥直銷公司防火閥是在調(diào)節(jié)的基礎(chǔ)上，增加感溫控制裝置。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="賀州防火閥直銷公司,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174394492188/7492810.png"></div><p style="text-indent:25px">70度防火閥用在空調(diào)送風(fēng)、通風(fēng)系統(tǒng)管道上；平時常開，發(fā)生火災(zāi)時關(guān)閉，聯(lián)鎖風(fēng)機，使風(fēng)機關(guān)閉；280度防火閥用在排煙系統(tǒng)管道上，平時常開，發(fā)生火災(zāi)時排煙，當(dāng)煙氣溫度達到280度時，防火閥關(guān)閉，聯(lián)鎖風(fēng)機關(guān)閉；280防火閥應(yīng)為常開，又叫高溫防火閥，一般安裝在有高溫環(huán)境的通風(fēng)管道中，當(dāng)溫度到達280后易熔合金熔化，閥門關(guān)閉，同時可以用24V電信號控制。如果說是280排煙防火閥應(yīng)為常閉，安裝在排煙管道中發(fā)生火災(zāi)時控制中心給出電信號使其打開排煙，當(dāng)溫度到達280時易熔合金熔化閥門關(guān)閉，是一種二次動作的閥門。</p><p style="text-indent:25px"> 防火閥，常開，70℃或者280℃關(guān)閉，一般安裝在風(fēng)管穿越防火墻和結(jié)構(gòu)變形縫處，起火災(zāi)控制作用，可以設(shè)置輸出電訊號，溫度超過70℃或者280℃時閥門關(guān)閉，聯(lián)動送（補）風(fēng)機關(guān)閉。安裝在中央空調(diào)風(fēng)道系統(tǒng)中，工作原理是利用閥門上安裝的極易熔合金的溫度控制，利用重力作用和彈簧機構(gòu)的作用，當(dāng)火災(zāi)發(fā)生時，火焰入侵風(fēng)道，高溫使閥門上的易熔合金熔解，或使記憶合金產(chǎn)生形變使閥門自動關(guān)閉，用于風(fēng)道與防火分區(qū)貫穿的場合。防火閥是在調(diào)節(jié)的基礎(chǔ)上，增加感溫控制裝置。平時呈開啟狀態(tài)，當(dāng)火災(zāi)發(fā)生時，手動、溫度熔斷器自動使閥門迅速關(guān)閉，手動復(fù)拉開啟閥門。安裝在有消防要求的通風(fēng)、空調(diào)系統(tǒng)管道上。防火閥應(yīng)能在溫度達到70℃時自動關(guān)閉，防火閥一般可采用易熔片式自動關(guān)閉，并與風(fēng)機聯(lián)鎖。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="賀州防火閥直銷公司,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174486904297/5662677.png"></div><p style="text-indent:25px">防火閥一般分為兩種：一種只輸出動作信號（像70°防火閥）這種防火閥的模塊只需要信號線加反饋線；防火閥的設(shè)置：為了阻止火災(zāi)時火勢和有毒高溫?zé)煔馔ㄟ^風(fēng)管蔓延擴大，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)管道與豎井連接時也應(yīng)采取相應(yīng)措施防止火勢沿著排風(fēng)管在各樓層間蔓延。自動排煙防火閥：此類閥適用于設(shè)有感煙探測器自動報警控制和機械排煙的場所，安裝在排煙管道上，兼有自動排煙閥和防火閥的功能。平時處于關(guān)閉狀態(tài)，需要排煙時，其動作和功能與排煙閥相同，可自動開啟排煙。當(dāng)管道內(nèi)氣流溫度達到280℃時，閥門靠裝有280℃易熔金屬的溫度熔斷器而自動關(guān)閉，切斷氣流，防止火災(zāi)蔓延。防火閥可以設(shè)置輸出電訊號，溫度超過70℃或者280℃時閥門關(guān)閉，聯(lián)動送(補)風(fēng)機關(guān)閉。賀州防火閥直銷公司</p><p style="text-indent:25px">防火閥為矩形，熔斷溫度70度，由閥體、葉片、執(zhí)行機構(gòu)和溫感器等部件組成。賀州防火閥直銷公司</p><p style="text-indent:25px">防火閥工作原理是極易熔合金的溫度控制，利用重力作用和彈簧機構(gòu)的作用關(guān)閉閥門。當(dāng)火災(zāi)發(fā)生時，火焰入侵風(fēng)道，高溫使閥門上的易熔合金熔解，或使記憶合金產(chǎn)生形變使閥門自動關(guān)閉，用于風(fēng)道與防火分區(qū)貫穿的場合。當(dāng)排煙管內(nèi)的火災(zāi)煙氣溫度超過280度時,其易熔金屬片就會熔化,排煙防火閥就會自動關(guān)閉,防止火災(zāi)通過排煙管蔓延。防火閥的結(jié)構(gòu),主要由閥體和執(zhí)行機構(gòu)組成。閥體由殼體、法蘭、葉片及葉片聯(lián)動機構(gòu)等組成。執(zhí)行機構(gòu)由外殼、葉片調(diào)節(jié)機構(gòu)、離合器、溫度熔斷器等組成。防火閥的執(zhí)行機構(gòu)是通過金屬易熔片和離合器機構(gòu)來控制葉片的轉(zhuǎn)動。賀州防火閥直銷公司</p><p style="text-indent:25px">佛山文質(zhì)通風(fēng)設(shè)備有限公司發(fā)展規(guī)模團隊不斷壯大，現(xiàn)有一支專業(yè)技術(shù)團隊，各種專業(yè)設(shè)備齊全。致力于創(chuàng)造***的產(chǎn)品與服務(wù)，以誠信、敬業(yè)、進取為宗旨，以建文質(zhì)產(chǎn)品為目標(biāo)，努力打造成為同行業(yè)中具有影響力的企業(yè)。公司不**提供專業(yè)的風(fēng)機、風(fēng)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(zhǔn)的項目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動。），同時還建立了完善的售后服務(wù)體系，為客戶提供良好的產(chǎn)品和服務(wù)。佛山文質(zhì)通風(fēng)設(shè)備有限公司主營業(yè)務(wù)涵蓋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，堅持“質(zhì)量保證、良好服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1661544.html</p></div></div></div></div></div><div id="en3mtvh" class="page-right twoColRt"><div id="pevseln" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="s3cgip3" 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