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class="leftbox clearfix"><h1>廣東防火閥哪家強(qiáng) 信息推薦佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)</h1><div id="8l8qs79" class="proBig"><div id="hqc2nuw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174407099610/1742882.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vu2zwip" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174407099610/1742882.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3keqxeg" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>廣東防火閥哪家強(qiáng),防火閥</p><p><span>***更新：</span>2021-01-30 04:27:37</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="77rd8jb" 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)高力中村倉庫(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="33ifr34" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="0wyv8bd" class="box"><p><p style="text-indent:25px">用輸入輸出模塊，主機(jī)到輸入輸出模塊四根線，兩根信號(hào)線兩根24v電源線，模塊到280防火閥四根線，兩根啟動(dòng)，兩根回答，回答接到防火閥的常開點(diǎn)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(shí)呈開啟狀態(tài)，廣東防火閥哪家強(qiáng)，火災(zāi)時(shí)當(dāng)管道內(nèi)氣體溫度達(dá)到70℃時(shí)，易熔片熔斷，閥門在扭簧力作用下自動(dòng)關(guān)閉，在一定時(shí)間內(nèi)能滿足耐火穩(wěn)定性和耐火完整性要求，廣東防火閥哪家強(qiáng)，起隔煙阻火作用的閥門。閥門關(guān)閉時(shí)，廣東防火閥哪家強(qiáng)，輸出關(guān)閉信號(hào)。排煙防火閥安裝在排煙系統(tǒng)管路上，平時(shí)一般呈關(guān)閉狀態(tài)，火災(zāi)時(shí)手動(dòng)或電動(dòng)開啟，起排煙作用。當(dāng)排煙管道內(nèi)煙氣溫度達(dá)到280℃時(shí)關(guān)閉，在一定時(shí)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。一種防火閥，包括閥體、若干轉(zhuǎn)動(dòng)連接于閥體內(nèi)壁上的閥板和驅(qū)動(dòng)所述閥板轉(zhuǎn)動(dòng)的執(zhí)行部件。廣東防火閥哪家強(qiáng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東防火閥哪家強(qiáng),防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174407099610/1742882.png"></div><p style="text-indent:25px">安裝在機(jī)械排煙系統(tǒng)的管道上，平時(shí)呈開啟狀態(tài)，火災(zāi)時(shí)當(dāng)排煙管道內(nèi)煙氣溫度達(dá)到280℃時(shí)關(guān)閉，并在一定時(shí)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(fēng)管與每層水平風(fēng)管交接處的水平管段上;一個(gè)排煙系統(tǒng)負(fù)擔(dān)多個(gè)防煙分區(qū)的排煙支管上;排煙風(fēng)機(jī)入口處;穿越防火分區(qū)處。排煙防火閥在280℃時(shí)應(yīng)自行關(guān)閉，并應(yīng)連鎖關(guān)閉排煙風(fēng)機(jī)和補(bǔ)風(fēng)機(jī)。安裝在機(jī)械排煙系統(tǒng)各支管端部(煙氣吸入口)處，平時(shí)呈關(guān)閉狀態(tài)并滿足漏風(fēng)量要求，火災(zāi)時(shí)可手動(dòng)和電動(dòng)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(shí)，排煙風(fēng)機(jī)、補(bǔ)風(fēng)機(jī)自動(dòng)啟動(dòng)。廣東防火閥哪家強(qiáng)遠(yuǎn)程控制型排煙防火閥可遠(yuǎn)距離手動(dòng)開啟、手動(dòng)復(fù)位關(guān)閉。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東防火閥哪家強(qiáng),防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174440576172/5261893.png"></div><p style="text-indent:25px">熔斷器芯桿頂端卡住閥軸（葉片軸）上的叉板，使閥門處于常開狀態(tài)。當(dāng)火警發(fā)生后，管道內(nèi)氣流溫度升到熔斷器易熔斷，溫度時(shí)，易熔片熔斷，芯桿即被彈簧推動(dòng)，脫開叉板，閥軸受扭力彈簧作用轉(zhuǎn)動(dòng)而關(guān)閉閥門。平時(shí)，如需調(diào)節(jié)風(fēng)量大小，可通過與閥軸（葉片軸）聯(lián)動(dòng)的手柄調(diào)節(jié)閥門開度，達(dá)到要求時(shí)由蝶母固定其位置。叉板與手柄接觸處制有環(huán)齒，防止嚙合后滑動(dòng)，以保持閥門開度調(diào)定后不變?？筛鶕?jù)用戶要求增設(shè)關(guān)閉電信號(hào)輸出裝置（凸輪、微動(dòng)開關(guān)、接線端子等）成為防火調(diào)節(jié)閥。</p><p style="text-indent:25px">在空調(diào)體系的風(fēng)道上，設(shè)備排煙防火閥的目的是當(dāng)發(fā)生火災(zāi)時(shí)能靈敏堵截運(yùn)送的氣流，防止火勢(shì)延伸。當(dāng)出現(xiàn)火情時(shí)，風(fēng)道受周圍溫度影響而溫度升高，當(dāng)火勢(shì)使風(fēng)道內(nèi)到達(dá)一定溫度時(shí)，易熔片熔斷，原靠易熔片聯(lián)接的閥板隨即與易熔片脫開而關(guān)閉阻撓氣流通過。為了中止持續(xù)向體系送風(fēng)、防火閥上設(shè)備電氣信號(hào)和連鎖設(shè)備，可使閥板在關(guān)閉時(shí)發(fā)出信號(hào)，使風(fēng)機(jī)中止工作。在空調(diào)體系的風(fēng)道上，設(shè)備排煙防火閥的目的是當(dāng)發(fā)生火災(zāi)時(shí)能靈敏堵截運(yùn)送的氣流，防止火勢(shì)延伸。當(dāng)出現(xiàn)火情時(shí)，風(fēng)道受周圍溫度影響而溫度升高，當(dāng)火勢(shì)使風(fēng)道內(nèi)到達(dá)一定溫度時(shí)，易熔片熔斷，原靠易熔片聯(lián)接的閥板隨即與易熔片脫開而關(guān)閉阻撓氣流通過。防火閥需要采用單輸入單輸出模塊連接控制的，具體的需要報(bào)警線和電源線。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東防火閥哪家強(qiáng),防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174336738282/9361786.png"></div><p style="text-indent:25px">閥門的閥體和葉片基本大同小異，不同功能的閥門主要區(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_，彈簧由拉伸狀態(tài)變?yōu)檎顟B(tài)，帶動(dòng)杠桿和凸輪脫開，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。常開和常閉是閥門出廠時(shí)的狀態(tài)，其差別只是閥門葉片和凸輪的安裝角度不同而已，比如0°時(shí)是常開，那么調(diào)成90°就是常閉。防火閥，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。崇左防火閥哪家靠譜</p><p style="text-indent:25px">防火閥安裝在通風(fēng)、空氣調(diào)節(jié)系統(tǒng)的送、回風(fēng)道上。廣東防火閥哪家強(qiáng)</p><p style="text-indent:25px">排煙閥常閉型排煙防火閥（常閉，電訊號(hào)開啟，280度熔斷關(guān)閉，或手動(dòng)關(guān)閉）一般應(yīng)用于排煙系統(tǒng)中，可在排煙風(fēng)機(jī)吸入口安裝一個(gè)，火災(zāi)時(shí)由消控室控制開啟，關(guān)閉時(shí)也可連鎖關(guān)閉該排煙風(fēng)機(jī)。各個(gè)單位叫法不同，有的根據(jù)它的動(dòng)作溫度叫做排煙閥，有的根據(jù)它的用途性質(zhì)叫做防火閥，但是對(duì)于設(shè)備方只是把普通防火閥的熔斷金屬換成280度熔斷的那一種.全自動(dòng)排煙防火閥（地鐵工程用）地下鐵道通風(fēng)、空調(diào)系統(tǒng)的防火、排煙閥門具有與火災(zāi)自動(dòng)報(bào)警設(shè)備及氣體滅火系統(tǒng)聯(lián)動(dòng)控制的功能。廣東防火閥哪家強(qiáng)</p><p style="text-indent:25px">佛山文質(zhì)通風(fēng)設(shè)備有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型的公司。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。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3074318.html</p></div></div></div></div></div><div id="eyija29" class="page-right twoColRt"><div id="hliprya" class="box01 margin10 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