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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="blznrb9" 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>河池防火閥服務(wù),防火閥</p><p><span>***更新：</span>2020-11-04 04:24:42</p><p><span id="click" >瀏覽次數(shù)：9次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="nnbt9hn" 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(cāng)庫(kù)(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="757xvrv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tnj9nbd" class="box"><p><p style="text-indent:25px">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，所述閥體垂直于閥板兩側(cè)的內(nèi)壁上均固定有抵觸于閥板側(cè)壁的密封板，所述密封板具有彈性，且在未受力時(shí)橫截面形狀為外凸的弧形；所述閥板沿長(zhǎng)度方向的兩側(cè)的側(cè)壁上設(shè)置有定位部，所述密封板上設(shè)置有在閥板閉合狀態(tài)下，供定位部卡入的定位凹槽，河池防火閥服務(wù)。由于密封板有彈性，且在未受力時(shí)為外凸的弧形；因而當(dāng)閥板閉合時(shí)，能夠沿著密封板的弧形面，逐步抵壓在密封板增大密封板的形變量，因此閥板整體轉(zhuǎn)動(dòng)過程較為流暢；而當(dāng)閥板完全閉合后，河池防火閥服務(wù)，閥板兩側(cè)抵壓在密封板上，河池防火閥服務(wù)，密封板在自身彈性的作用下與閥板保持穩(wěn)密的貼合，從而提升了在閥板閉合后閥體側(cè)壁與閥板之間密封性；當(dāng)閥板閉合后，閥板上的定位部卡入密封板上的定位凹槽內(nèi)；定位凸塊與定位凹槽的配合，對(duì)閥板有限位的作用，使得閥板在閉合后，位置處于穩(wěn)定。排風(fēng)防火閥電動(dòng)開啟消耗電流小。河池防火閥服務(wù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河池防火閥服務(wù),防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174407099610/1742882.png"></div><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(shí)，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(shí)，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(shí)，則排煙支管上不設(shè)排煙防火閥。設(shè)置機(jī)械排煙的地下室應(yīng)考慮進(jìn)風(fēng)設(shè)施，當(dāng)采用機(jī)械進(jìn)風(fēng)系統(tǒng)時(shí)，應(yīng)在風(fēng)機(jī)入口管道上設(shè)置70℃熔斷的防火閥。對(duì)于機(jī)械加壓送風(fēng)系統(tǒng)，可在加壓送風(fēng)機(jī)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(jī)的入口總管上應(yīng)設(shè)置當(dāng)煙氣溫度超過280℃時(shí)能自動(dòng)關(guān)閉的排煙防火閥，且應(yīng)與排煙風(fēng)機(jī)連鎖，當(dāng)排煙防火閥關(guān)閉時(shí)，風(fēng)機(jī)停止運(yùn)轉(zhuǎn)。河池防火閥服務(wù)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="河池防火閥服務(wù),防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174258398438/156679.png"></div><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。</p><p style="text-indent:25px">防火閥用于建筑物內(nèi)的中央空調(diào)風(fēng)道系統(tǒng)中。當(dāng)它安裝在通風(fēng)、空調(diào)系統(tǒng)的送、回風(fēng)管路上。一般用于平時(shí)送風(fēng)、火災(zāi)補(bǔ)風(fēng)共用風(fēng)管系統(tǒng)中，火災(zāi)時(shí)可控制關(guān)閉不需要補(bǔ)風(fēng)的房間；平時(shí)呈開啟狀態(tài)，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，起到隔斷防火分區(qū)間的風(fēng)道，防止火焰漫延。在排煙風(fēng)管中，其需要有一定時(shí)間內(nèi)能滿足耐火穩(wěn)定性和耐火完整性要求，起隔煙阻火作用，則需要用280度的防火閥。它與70度的防火閥只是熔斷溫度不同，一般應(yīng)用于火災(zāi)排煙管穿越防火墻處，煙氣溫度超過280度時(shí)自動(dòng)熔斷關(guān)閉，可聯(lián)動(dòng)關(guān)閉排煙風(fēng)機(jī)?；鹧嫒肭诛L(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(dòng)關(guān)閉，用于風(fēng)道與防火分區(qū)貫穿的場(chǎng)合。電源線連接聯(lián)動(dòng)控制和電源連接2個(gè)觸點(diǎn)，報(bào)警線根據(jù)需要連接常開或者常閉控制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河池防火閥服務(wù),防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174524755860/63578.png"></div><p style="text-indent:25px">至于排煙類閥門的自動(dòng)復(fù)位功能，規(guī)范和消防認(rèn)證要求只要具備復(fù)位功能即可，通常情況只要具備手動(dòng)復(fù)位功能就可以滿足要求。因?yàn)榕艧熛到y(tǒng)使用的概率非常小，就算使用也是其中少數(shù)幾個(gè)系統(tǒng)會(huì)啟動(dòng)，為了不確定的其中幾個(gè)閥門就讓所有閥門都具備電動(dòng)復(fù)位功能，顯然是沒有必要的，火災(zāi)完根據(jù)動(dòng)作信號(hào)手動(dòng)復(fù)位即可，并沒有多大的工作量。當(dāng)然如果預(yù)算足夠，規(guī)定所有的閥門均具備自動(dòng)復(fù)位功能也未嘗不可，應(yīng)注意有遠(yuǎn)距離復(fù)位功能的閥門，當(dāng)通電動(dòng)作后，應(yīng)具有顯示閥門葉片位置的信號(hào)輸出常開型排煙防火閥平時(shí)呈常開狀態(tài)，火災(zāi)發(fā)生時(shí)，閥門保持開啟狀態(tài)。河池防火閥服務(wù)</p><p style="text-indent:25px">排風(fēng)與排煙系統(tǒng)共用風(fēng)管時(shí)無(wú)遠(yuǎn)程控制把持。河池防火閥服務(wù)</p><p style="text-indent:25px">通風(fēng)管是火災(zāi)時(shí)不使用的到70度時(shí)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(shí)，這個(gè)火災(zāi)通過機(jī)械排風(fēng)已經(jīng)達(dá)不到效果了，排煙閥關(guān)閉防止風(fēng)機(jī)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(jī)=正壓風(fēng)機(jī)=補(bǔ)風(fēng)機(jī),叫法不同而以,多種用途,輸送氣體溫度80℃以下排煙風(fēng)機(jī),用于消防排煙,要求280℃下運(yùn)行30min,也可用于廚房排油煙排風(fēng)機(jī),多種用途,輸送氣體溫度80℃以下河池防火閥服務(wù)</p><p style="text-indent:25px">佛山文質(zhì)通風(fēng)設(shè)備有限公司是一家生產(chǎn)型類企業(yè)，積極探索行業(yè)發(fā)展，努力實(shí)現(xiàn)產(chǎn)品創(chuàng)新。公司是一家有限責(zé)任公司企業(yè)，以誠(chéng)信務(wù)實(shí)的創(chuàng)業(yè)精神、專業(yè)的管理團(tuán)隊(duì)、踏實(shí)的職工隊(duì)伍，努力為廣大用戶提供***的產(chǎn)品。以滿足顧客要求為己任；以顧客永遠(yuǎn)滿意為標(biāo)準(zhǔn)；以保持行業(yè)優(yōu)先為目標(biāo)，提供***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)。文質(zhì)通風(fēng)順應(yīng)時(shí)代發(fā)展和市場(chǎng)需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的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)。</p></p><br 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