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clearfix"><h1>賀州防火閥公司哪家好鑄造輝煌佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)</h1><div id="x4rs7bp" class="proBig"><div id="j9ubstk" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174468476563/9962033.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8rizqxy" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174468476563/9962033.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="y927j7s" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>賀州防火閥公司哪家好,防火閥</p><p><span>***更新：</span>2021-01-01 05:20:01</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="j92dp82" 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="xngmt3l" class="page-proshow02"><p class="title">詳細說明</p><div id="fqrd3ay" class="box"><p><p style="text-indent:25px">自動防煙防火閥有兩個**電動控制信號，分別由EMCS、氣消系統(tǒng)進行監(jiān)控，控制信號均為DC24V±10%信號。每臺全自動防煙防火閥有六個**反饋信號（三個開到位，三個關(guān)到位）反饋信號均為常開無源接點信號。排煙口如果你在管路上安裝了必要的排煙閥，就用普通的單層百葉風(fēng)口即可；否則需用板式排煙口，它同時帶有排煙防火閥的機構(gòu)。防火閥選用主要控制參數(shù)為規(guī)格等。防火閥適用于通風(fēng)空調(diào)系統(tǒng)，賀州防火閥公司哪家好，除公共建筑的廚房排油煙系統(tǒng)用防火閥，賀州防火閥公司哪家好，動作溫度為150℃外，一般通風(fēng)空調(diào)系統(tǒng)用防火閥動作溫度為70℃，賀州防火閥公司哪家好。防火閥應(yīng)單獨設(shè)支吊架，以防止發(fā)生火災(zāi)時管道變形影響其性能。賀州防火閥公司哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="賀州防火閥公司哪家好,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174468476563/9962033.png"></div><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。新型產(chǎn)品中亦有利用記憶合金產(chǎn)生形變使閥門關(guān)閉的。它的作用是：當(dāng)煙氣溫度達到280℃時，人已基本疏散完畢，排煙已無實際意義，而煙氣中此時已帶火，閥門自動關(guān)閉，以避免火勢蔓延。防火閥是一種常閉型閥門，由控制中心通24V直流電開啟或手動開啟，在280℃時自動關(guān)閉，復(fù)位必須手動。它的作用是：當(dāng)煙氣溫度達到280℃時，人已基本疏散完畢，排煙已無實際意義，而煙氣中此時已帶火，閥門自動關(guān)閉，以避免火勢蔓延。系統(tǒng)的排煙風(fēng)口也可以用常閉型的防火排煙口，取消支管上的排煙防火閥?；馂?zāi)時，該風(fēng)口由控制中心通24V直流電開啟或手動開啟，當(dāng)煙溫達到280℃時自動關(guān)閉，復(fù)位也必須手動。排煙風(fēng)機房入口也應(yīng)安裝排煙防火閥，以防火勢蔓延到風(fēng)機房所在層賀州防火閥公司哪家好排煙系統(tǒng)的防火閥是在火災(zāi)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="賀州防火閥公司哪家好,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174336738282/9361786.png"></div><p style="text-indent:25px">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。廚房、浴室和廁所等的排風(fēng)管道與豎井相連時，若無防止回流的措施時應(yīng)在支管上設(shè)置防火閥；當(dāng)有防止回流的措施時，可不設(shè)防火閥。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。防火閥主要是由閥體和執(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。防火閥由金屬易熔片和離合器機構(gòu)來控制葉片的轉(zhuǎn)動，市場上常見的防火閥有70℃和280℃防火閥。 </p><p style="text-indent:25px">排煙防火閥設(shè)置常開或常閉，視排煙口的形式而定，當(dāng)設(shè)常閉的排煙口時，排煙支管上設(shè)常開的排煙防火閥。當(dāng)設(shè)普通常開型風(fēng)口時，排煙支管上設(shè)常閉的排煙防火閥。當(dāng)設(shè)常閉型**防火排煙口時，則排煙支管上不設(shè)排煙防火閥。設(shè)置機械排煙的地下室應(yīng)考慮進風(fēng)設(shè)施，當(dāng)采用機械進風(fēng)系統(tǒng)時，應(yīng)在風(fēng)機入口管道上設(shè)置70℃熔斷的防火閥。對于機械加壓送風(fēng)系統(tǒng)，可在加壓送風(fēng)機入口管道上設(shè)置70℃熔斷的防火閥，以防止新風(fēng)入口受火、煙威脅，將煙氣輸送至樓層內(nèi)。在排煙風(fēng)機的入口總管上應(yīng)設(shè)置當(dāng)煙氣溫度超過280℃時能自動關(guān)閉的排煙防火閥，且應(yīng)與排煙風(fēng)機連鎖，當(dāng)排煙防火閥關(guān)閉時，風(fēng)機停止運轉(zhuǎn)。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="賀州防火閥公司哪家好,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174284033204/8175892.png"></div><p style="text-indent:25px">在現(xiàn)行標(biāo)準(zhǔn)中，常規(guī)通風(fēng)空調(diào)系統(tǒng)中火閥的工作溫度通常為70℃，通常由通風(fēng)空調(diào)系統(tǒng)的較高溫度確定，比正常運行時的通風(fēng)空調(diào)系統(tǒng)的較高溫度高出25℃左右。正常運行的通風(fēng)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(biāo)準(zhǔn)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(dāng)?shù)摹?80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。云浮防火閥費用</p><p style="text-indent:25px">閥門若與風(fēng)機聯(lián)動的應(yīng)選用帶雙微動開關(guān)裝置。賀州防火閥公司哪家好</p><p style="text-indent:25px">安裝在通風(fēng)、空氣調(diào)節(jié)系統(tǒng)的送、回風(fēng)管道上，平時呈開啟狀態(tài)，火災(zāi)時當(dāng)管道內(nèi)煙氣溫度達到70℃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)機房的房間隔墻和樓板處;穿越重要或火災(zāi)危險性大的場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)每個防火分區(qū)的通風(fēng)、空氣調(diào)節(jié)系統(tǒng)均**設(shè)置時，水平風(fēng)管與豎向總管的交接處可不設(shè)置防火閥。賀州防火閥公司哪家好</p><p style="text-indent:25px">佛山文質(zhì)通風(fēng)設(shè)備有限公司屬于機械及行業(yè)設(shè)備的高新企業(yè)，技術(shù)力量雄厚。文質(zhì)通風(fēng)是一家有限責(zé)任公司企業(yè)，一直“以人為本，服務(wù)于社會”的經(jīng)營理念;“誠守信譽，持續(xù)發(fā)展”的質(zhì)量方針。公司始終堅持客戶需求優(yōu)先的原則，致力于提供高質(zhì)量的3cf消防認證防火閥，鋁合金空調(diào)出風(fēng)口，通風(fēng)管道消聲器，消防風(fēng)機。文質(zhì)通風(fēng)以創(chuàng)造***產(chǎn)品及服務(wù)的理念，打造高指標(biāo)的服務(wù)，引導(dǎo)行業(yè)的發(fā)展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2654448.html</p></div></div></div></div></div><div id="syugcyz" class="page-right twoColRt"><div id="zvbctkb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dmt3o4d" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" 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