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clearfix"><h1>北海防火閥一般多少錢誠(chéng)信經(jīng)營(yíng) 佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)</h1><div id="g24dp94" class="proBig"><div id="qh83wnu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174380078125/6920437.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mq3ofu3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174380078125/6920437.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rfxumbn" 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>北海防火閥一般多少錢,防火閥</p><p><span>***更新：</span>2020-09-25 05:24:54</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="onvcp9a" 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="xcugyn7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="nhjwysp" class="box"><p><p style="text-indent:25px">電動(dòng)雙向防火閥作用及原理可手動(dòng)六檔調(diào)節(jié)閥門開(kāi)度；溫控：溫感器動(dòng)作閥門自動(dòng)關(guān)閉；電控：消防電信號(hào)（DC24V）電磁鐵動(dòng)作閥門自動(dòng)關(guān)閉；再次供電，電信號(hào)（DC24V）閥門依靠電機(jī)復(fù)位；手動(dòng)關(guān)閉，北海防火閥一般多少錢、手動(dòng)復(fù)位輸出二組觸點(diǎn)信號(hào)防爆閥用于含有可燃?xì)怏w或可燃物質(zhì)的除塵系統(tǒng)中，可作為易爆管道或設(shè)備的卸壓裝置。防爆閥的膜片通常要根據(jù)除塵系統(tǒng)運(yùn)行壓力及可燃物質(zhì)的含量進(jìn)行計(jì)算，而后選擇材質(zhì)、厚度劃痕，北海防火閥一般多少錢，北海防火閥一般多少錢，切不可因選擇不當(dāng)影響系統(tǒng)的正常運(yùn)行。排煙防火閥是主動(dòng)化體系中的一個(gè)重要組成部分，它裝于現(xiàn)場(chǎng)操控流路。北海防火閥一般多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北海防火閥一般多少錢,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174380078125/6920437.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(shí)常開(kāi)，發(fā)生火災(zāi)時(shí)關(guān)閉，聯(lián)鎖風(fēng)機(jī)，使風(fēng)機(jī)關(guān)閉；280度防火閥用在排煙系統(tǒng)管道上，平時(shí)常開(kāi)，發(fā)生火災(zāi)時(shí)排煙，當(dāng)煙氣溫度達(dá)到280度時(shí)，防火閥關(guān)閉，聯(lián)鎖風(fēng)機(jī)關(guān)閉；280防火閥應(yīng)為常開(kāi)，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(dá)280后易熔合金熔化，閥門關(guān)閉，同時(shí)可以用24V電信號(hào)控制。如果說(shuō)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(shí)控制中心給出電信號(hào)使其打開(kāi)排煙，當(dāng)溫度到達(dá)280時(shí)易熔合金熔化閥門關(guān)閉，是一種二次動(dòng)作的閥門。三亞防火閥品牌遠(yuǎn)程控制型排煙防火閥具有常閉型排煙防火閥的所有功能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北海防火閥一般多少錢,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174312470704/5021538.png"></div><p style="text-indent:25px">走道長(zhǎng)，設(shè)置了機(jī)械排煙系統(tǒng)，每層樓只有一個(gè)防煙分區(qū)。每層的排煙主管上設(shè)計(jì)了一個(gè)電動(dòng)的常閉的防火閥，每層的每個(gè)排煙口又設(shè)計(jì)一個(gè)電動(dòng)的常閉的排煙閥，消防排煙風(fēng)機(jī)的吸入口處也設(shè)計(jì)了一個(gè)電動(dòng)的常閉的排煙防火閥。顯然，這種設(shè)計(jì)存在功能浪費(fèi)，也是模塊、閥門、建筑成本的浪費(fèi)。建議:方法之一是把排煙口的排煙閥和模塊取消，風(fēng)口改成單層百葉;方法二是把每層的排煙主管上電動(dòng)的常閉的防火閥改成常開(kāi)的280度關(guān)閉的防火閥，控制模塊改為一般的監(jiān)視模塊。這兩種方法同樣能達(dá)到消防規(guī)范要求，并且實(shí)際控制起來(lái)也十分可靠。</p><p style="text-indent:25px">火閥，常開(kāi)，70度關(guān)閉，一般安裝在風(fēng)管穿越防火墻處，起火災(zāi)關(guān)斷作用，可以設(shè)置輸出電訊號(hào)，溫度全自動(dòng)排煙防火閥超過(guò)70度時(shí)閥門關(guān)閉，聯(lián)動(dòng)送（補(bǔ)）風(fēng)機(jī)關(guān)閉；防煙防火調(diào)節(jié)閥，常開(kāi)，70度關(guān)閉，同1，不過(guò)多一個(gè)電訊號(hào)輸入，可由消控室遠(yuǎn)程控制關(guān)閉，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；常開(kāi)型排煙防火閥，280度熔斷關(guān)閉，常開(kāi)，輸出電訊號(hào)，這種和1相似，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(guò)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)。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="北海防火閥一般多少錢,防火閥" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363174394492188/7492810.png"></div><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。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(guò)程較為流暢；而當(dāng)閥板完全閉合后，閥板兩側(cè)抵壓在密封板上，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。防火閥的履行組織是通過(guò)金屬易熔片和離合器組織來(lái) 操控葉片的翻滾。三亞防火閥品牌</p><p style="text-indent:25px">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。北海防火閥一般多少錢</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(jī)構(gòu)的作用關(guān)閉閥門。當(dāng)火災(zāi)發(fā)生時(shí)，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(dòng)關(guān)閉，用于風(fēng)道與防火分區(qū)貫穿的場(chǎng)合。當(dāng)排煙管內(nèi)的火災(zāi)煙氣溫度超過(guò)280度時(shí),其易熔金屬片就會(huì)熔化,排煙防火閥就會(huì)自動(dòng)關(guān)閉,防止火災(zāi)通過(guò)排煙管蔓延。防火閥的結(jié)構(gòu),主要由閥體和執(zhí)行機(jī)構(gòu)組成。閥體由殼體、法蘭、葉片及葉片聯(lián)動(dòng)機(jī)構(gòu)等組成。執(zhí)行機(jī)構(gòu)由外殼、葉片調(diào)節(jié)機(jī)構(gòu)、離合器、溫度熔斷器等組成。防火閥的執(zhí)行機(jī)構(gòu)是通過(guò)金屬易熔片和離合器機(jī)構(gòu)來(lái)控制葉片的轉(zhuǎn)動(dòng)。北海防火閥一般多少錢</p><p style="text-indent:25px">佛山文質(zhì)通風(fēng)設(shè)備有限公司屬于機(jī)械及行業(yè)設(shè)備的高新企業(yè)，技術(shù)力量雄厚。是一家有限責(zé)任公司企業(yè)，隨著市場(chǎng)的發(fā)展和生產(chǎn)的需求，與多家企業(yè)合作研究，在原有產(chǎn)品的基礎(chǔ)上經(jīng)過(guò)不斷改進(jìn)，追求新型，在強(qiáng)化內(nèi)部管理，完善結(jié)構(gòu)調(diào)整的同時(shí)，良好的質(zhì)量、合理的價(jià)格、完善的服務(wù)，在業(yè)界受到寬泛好評(píng)。公司始終堅(jiān)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(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)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(lái)源地址: http://m.cdcfah.com/cp/1413525.html</p></div></div></div></div></div><div id="ejgdace" class="page-right twoColRt"><div id="zjqs3r7" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yx8curo" class="recomPic likePro"><a href="http://m.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(qiáng) 信息推薦自業(yè)物資供應(yīng)" 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