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src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174524755860/63578.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7ax8nuw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174524755860/63578.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="z788byv" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>汕尾防火閥公司,防火閥</p><p><span>***更新：</span>2020-12-09 01:16:37</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="h3hwsk7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">佛山文質通風設備有限公司</a></p><p><span>聯系人：</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="uawdfmj" class="page-proshow02"><p class="title">詳細說明</p><div id="xgnpm3g" class="box"><p><p style="text-indent:25px">排煙閥安裝在高層建筑、地下建筑排煙系統(tǒng)的管道系統(tǒng)各支管端部（煙氣吸入口）處，平時呈關閉狀態(tài)并滿足漏風量要求，感溫（煙）電信號聯動，排煙風機同時啟運；手動使閥門開啟，排煙風機同時啟動；輸出閥門開啟信號?；馂幕蛐枰艧煏r手動和電動打開，起排煙作用的閥門。發(fā)生火災時煙感探頭發(fā)出火警信號，消防控制中心通過DC24V電壓將閥門打開排煙，也可手動使閥門打開，手動復位。閥門開啟后可發(fā)出電訊號至消防控制中心。根據要求，還可與其它設備聯鎖，汕尾防火閥公司。排煙閥與普通百葉風口或板式風口組合，可構成排煙風口。帶有裝飾口或進行過裝飾處理的閥門稱為排煙口。一般建筑排煙系統(tǒng)需要人員確認且操作，故排煙閥無感溫器件。一般大部分會安裝在建筑空間上部或吊頂部位。排煙閥可與火災探測器聯鎖，特別是火災煙感探測器的聯鎖，特別是火災煙感探測器的聯鎖，通過探知火災初期發(fā)生的煙氣來開啟閥門，進行排煙，汕尾防火閥公司，汕尾防火閥公司，變成由電動機或電磁機構驅動的自動閥門。防火閥按其功能可分為：排煙閥、排煙防火閥、防火調節(jié)閥、防煙防火調節(jié)閥等多種結構。汕尾防火閥公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="汕尾防火閥公司,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174524755860/63578.png"></div><p style="text-indent:25px">設置防火閥位置：通風、空氣調節(jié)系統(tǒng)的風管在下列部位應設置公稱動作溫度為70℃的防火閥：穿越防火分區(qū)處;穿越通風、空氣調節(jié)機房的房間隔墻和樓板處;穿越重要或火災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; 豎向風管與每層水平風管交接處的水平管段上。注：當建筑內每個防火分區(qū)的通風、空氣調節(jié)系統(tǒng)均**設置時，水平風管與豎向總管的交接處可不設置防火閥。防火閥平時呈開啟狀態(tài)，火災發(fā)生當管道內氣體溫度達到70℃或280℃時也就是達到易熔金屬片熔斷溫度，其芯軸上壓縮彈簧和彈簧銷釘迅速打下離合器墊板，這時，離合器和葉片調節(jié)機構脫開，閥體上裝有兩個扭轉彈簧，使葉片受到扭力而發(fā)生轉動，執(zhí)行關閉，可以有效隔煙防火。汕尾防火閥公司防火閥的設置為了阻止火災時火勢和有毒高溫煙氣通過風管蔓延擴大，在通風、空調系統(tǒng)的風管上需設置防火閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="汕尾防火閥公司,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174428339844/3800722.png"></div><p style="text-indent:25px">排煙防火閥安裝在排煙系統(tǒng)管道上，排煙防火閥平常關掉，屋子著火后消防排煙風機起動，另外排煙防火閥開啟，對著火屋子排煙系統(tǒng)，以做到工作人員可以立即逃離時不會受到煙的損害，火勢過大時火焰會根據排風系統(tǒng)口進到排煙系統(tǒng)管道，這時排煙防火閥上的280°易熔桿融斷，排煙防火閥關掉，另外得出數據信號消防排煙風機關掉。70度的是防煙閥發(fā)生火災時，閘閥關掉，斷開火勢，避免火災事故沿風管擴散。280度的是排煙防火閥。發(fā)生火災時，閘閥打開，排出去房間內濃煙。當房間內火勢非常大，溫度抵達280度，假如再排，便是排爆火。那樣比不上關閉它咯，因此280度的情況下閘閥關掉，斷開火勢。</p><p style="text-indent:25px">自重式防火閥通常安裝在空調或通風系統(tǒng)的管道中，也可安裝在防火墻或地臺內，防火閥安裝后，葉片（葉片組）保持開啟狀態(tài)，當通過防火閥氣流的溫度超過防火閥易熔片的熔斷溫度時，防火閥易熔片熔斷，葉片在重力作用下自動關閉，阻止高溫氣流及火焰蔓延。安裝自重式防火閥的注意事項：自重式防火閥動作的動力來源于自重力，所以說它不但不能垂直安裝，而且轉90度、倒裝，都是不行的，必須按只有的方向安裝（閥門葉片的重力方向)，這樣才能保證在溫感熔化后葉片在重力的作用下可靠關閉。防火閥是一種防火輔助設備，安裝于風管中間，當出現火情時能阻斷風管。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="汕尾防火閥公司,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174407099610/1742882.png"></div><p style="text-indent:25px">防煙類常用閥門及應該具備的功能加壓送風口，從本質上講與排煙口要實現的功能完全相同，區(qū)別是一個用作排煙一個用作加壓送風功能：常閉、手動或遠程電動開啟、輸出動作信號、輸出連鎖信號（與加壓風機連鎖）、手動復位用法：作為各類前室的加壓送風口。值得注意的是以前一個系統(tǒng)只有一個兩個加壓送風口時一般采用常開的加壓風口，防排煙標準出臺以后明確規(guī)定前室用常閉加壓風口，而不管系統(tǒng)由多少風口，從使用功能上來說采用常閉風口也是合理的，因為用常開的單層百葉無法實現連鎖開啟加壓風機的功能，而用常閉風口則可以實現，顯然其安全程度更高。采用薄形機構，縮小操作箱尺寸，提高有效通風排煙面積。汕尾防火閥公司</p><p style="text-indent:25px">自動排煙防火閥：此類閥適用于設有感煙探測器自動報警控制和機械排煙的場所。汕尾防火閥公司</p><p style="text-indent:25px">批發(fā)的未來正面臨著**性的大洗牌與大變革。需要注意的是智能制造是方向，不是目的，轉型升級是主線，降本提質增效是重點。綠色低碳是未來3cf消防認證防火閥，鋁合金空調出風口，通風管道消聲器，消防風機的基本要求。因此，推動機械工業(yè)行業(yè)由環(huán)境污染型向綠色低碳型轉變是我國機械工業(yè)高質量發(fā)展的必然要求。同時，很多公司都不是以出產單一商品為主。對包裝機械的需要也不**局限于一個品種。不難預測，未來包裝機械行業(yè)的生產型主流發(fā)展方向，應該是節(jié)能可回收、高新技術智能化。中國3cf消防認證防火閥，鋁合金空調出風口，通風管道消聲器，消防風機產業(yè)雖然遭遇了持續(xù)性的低迷，但是從總的發(fā)展趨勢來看，伴隨我國各種利好政策的出臺及各地基礎設施建設項目的不斷上馬推進，我國的3cf消防認證防火閥，鋁合金空調出風口，通風管道消聲器，消防風機發(fā)展前景是良好的、有保證的。汕尾防火閥公司</p><p 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