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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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href="http://www.cdcfah.com/cp/first-_aqfh/">安全、防護</a>?<a href="http://www.cdcfah.com/cp/second-aqfh_xfsb/">消防設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-xfsb_fhsbcm/">防火設(shè)備</a>?山西家用防火門安裝歡迎來電浙江程程消防設(shè)備供應(yīng)</p><div id="7vs38vn" class="leftbox clearfix"><h1>山西家用防火門安裝歡迎來電浙江程程消防設(shè)備供應(yīng)</h1><div id="onu3hya" class="proBig"><div id="tmoqipr" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/CCXFSB/637262698595302734/4493146.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hac7nzg" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/CCXFSB/637262698595302734/4493146.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j8fvxz2" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>山西家用防火門安裝,防火門</p><p><span>***更新：</span>2020-11-30 08:09:56</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="jwdvx8b" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">浙江程程消防設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>張先生</p><p><span>郵箱: </span>3026831@qq.com</p><p><span>電話: </span>13758882130</p><p><span>傳真: </span>0577_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0577-88512678</p><p><span>地址: </span>浙江省溫州永嘉三江立體城凌江庭8棟1301</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="es2shlc" class="page-proshow02"><p class="title">詳細說明</p><div id="3vcugne" class="box"><p><p> 常開型防火門是常閉型防火門的升級版，防火門是隔斷火龍和高溫?zé)煔猓纬?*的防火分區(qū)，并保護疏散通道的作用在日常中不會發(fā)生火災(zāi)，防火門仍需是關(guān)閉狀態(tài)，因為人不會守在防火門前，一旦發(fā)生火災(zāi)，由于常閉式所以煙氣和火龍不會蔓延，這就是常閉式防火門。但是在大型商場中，由于防火門礙于防火分區(qū)需要設(shè)置但是若處于常閉式，不利于人員流動，所以需要設(shè)置成常開式，山西家用防火門安裝，日常是開啟狀態(tài)，山西家用防火門安裝，山西家用防火門安裝，一旦發(fā)生火災(zāi)，火警拉響，弱電聯(lián)動將門自動關(guān)上，此處將不再通行，人員將從沿著疏散箭頭循循離開。 </p> <p> <br /> 一般關(guān)門后門外不用鎖匙開不了門，門板內(nèi)填料不是防火材料。山西家用防火門安裝</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西家用防火門安裝,防火門" src="https://tyunfile.71360.com/UploadFile/CCXFSB/637262698595302734/4493146.png"></div><p style="text-indent:25px">甲級防火門耐火極限為：1、地下室內(nèi)存放可燃物平均重量超過30kg/m的房間房門應(yīng)為甲級防火門。2、地下商店總建筑面積大于20000m2時，應(yīng)采用無門窗洞口的防火墻分隔。相鄰區(qū)域確需局部連通時，在所設(shè)防火間隔、避難走道或防yan樓梯間及其前室的門應(yīng)為火災(zāi)時能自行關(guān)閉的常開式甲級防火門。3、柴油發(fā)電機房布置在高層建筑和裙房內(nèi)時可布置在建筑物首層或地下一、二層，并采用耐火極限≥≥，門應(yīng)采用甲級防火門。儲油間應(yīng)用防火墻隔開，門應(yīng)為甲級防火門（并應(yīng)具自行關(guān)閉功能）。杭州本地防火門圖片雖然防火門也是鋼制的但門板內(nèi)填充的是防火材料，門鋼板厚度也有不同的要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西家用防火門安裝,防火門" src="https://tyunfile.71360.com/UploadFile/CCXFSB/637262698525546875/8726961.png"></div><p style="text-indent:25px">行業(yè)內(nèi)市場格局還沒有形成，大企業(yè)、大品牌較少，無全國品牌。防火門產(chǎn)品的研制、開發(fā)和生產(chǎn)對保障人民生命財產(chǎn)的安全起到了積極的作用。中國防火門市場起步較晚，但發(fā)展迅速。近幾年來，一些歐美企業(yè)積極加入到中國防火門市場的競爭，尤其是歐洲企業(yè)，正在力圖使歐式防火門占有更多的中國市場。面對國際競爭者，我們必須正視現(xiàn)狀，一方面要虛心向?qū)κ謱W(xué)習(xí)，另一方面要努力增強自己的實力。我國的防火門生產(chǎn)企業(yè)正面臨著巨大的挑戰(zhàn)，誰能在這一挑戰(zhàn)中抓住機遇，誰將成為市場的成功者。</p><p> 防火門的使用：是各類建筑中常見的可啟閉防火分隔構(gòu)件。符合要求的防火門應(yīng)具有良好的耐高溫、隔熱及防yan霧穿透的性能，并應(yīng)具備在火災(zāi)時人員通過后自行關(guān)閉的功能，確保發(fā)揮其防火分隔作用。防火門類別分為：按制作材質(zhì)劃分：鋼質(zhì)隔熱防火門；木質(zhì)隔熱防火門；鋼木質(zhì)隔熱防火門；其他材質(zhì)隔熱防火門。甲級防火門按耐火極限及隔熱的性能劃分：甲級防火門不小于；乙級防火門不小于1小時；丙級防火門不小于。按啟閉特征劃分：常閉防火門；常開防火門。可以根據(jù)自己的需求選擇不同層次的防火門。 </p> <p> <br /> </p> <p> <br /> 但從綜合的使用成本上來講，甲級防火門在很多方面要優(yōu)于乙級防火門。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西家用防火門安裝,防火門" src="https://tyunfile.71360.com/UploadFile/CCXFSB/637262698483798828/6875812.png"></div><p style="text-indent:25px">門扇與上框的配合活動間隙不應(yīng)大于3mm;雙扇、多扇門的門扇之間縫隙不應(yīng)大于3mm;門扇與下框或地面的活動間隙不應(yīng)大于9mm;門扇與門框貼合面間隙：門扇與門框有合頁一側(cè)、有鎖一側(cè)及上框的貼合面間隙均不應(yīng)大于3mm;門扇與門框的平面高低差：在防火門開面上，天津伸縮條碼閱讀器門框與門扇的平面高低差不應(yīng)大于1mm。木質(zhì)防火門是指用木材或木材制品制作門框、門扇骨架、門扇面板，耐火極限達到國家規(guī)定的門。木質(zhì)防火門之間的一些小的偏差是不能錯的，也許就是一個小小的細節(jié)問題，就可能達不到國家的標準。使用材料首先比較一下使用材料，防火門結(jié)構(gòu)簡單，主要由四部分組成：閉門器、門板的材料（有06和08等幾種）、門框材料、防火板組成。甲級防火門一般采用質(zhì)量較好的08材料，正常使用壽命在5-8年間，門板的鐵材較厚，同樣厚度的防火門，甲級防火門的重量要大于乙級防火門。防火時間防火門的防火時間主要由防火板決定，在這方面，甲級防火門采用的防火板一般比乙級防火門采用的防火板的性能要好，因此整體性能要強于乙級防火門。此外，甲級防火門尤其適用于那些要求電鍍前細磨、振動出色、手工具鏡面拋光、電熱管鏡面拋光等場合。有木質(zhì)防火門、鋼質(zhì)防火門、鋼木防火門、其他防火門等。江蘇正規(guī)防火門生產(chǎn)商</p><p style="text-indent:25px">可在一定時間內(nèi)阻止火勢的蔓延，確保人員疏散。山西家用防火門安裝</p><p> 增加了防火門靈活性的要乞降試驗方法；1.增加了防火門可靠性的要乞降試驗方法；2.對木質(zhì)防火門的門扇扭曲度試驗方法有所改進；3.增加了門扇與門框的搭接尺寸丈量方法；判斷準則1.新版防火門國家尺度與GB12955-1991、GB14101-1993比擬主要變化如下：2.增加按防火門功能分類，為分常開防火門、常閉防火門、流動防火門；3.對防火門的耐火機能分類進行了修改，由原來按甲、乙和丙分類，改為本版按“隔熱防火門（A類）”、“部分隔熱防火門（B類）”和“非隔熱防火門（C類）”分類。 </p> <p> <br /> </p> <p> <br /> 山西家用防火門安裝</p><p style="text-indent:25px">浙江程程消防設(shè)備有限公司致力于建筑、建材，是一家生產(chǎn)型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下防火門，防火卷簾、垂壁，抗震支架，橋架支架深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在建筑、建材深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造建筑、建材良好品牌。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2206899.html</p></div></div></div></div></div><div id="os48d7c" class="page-right twoColRt"><div id="g22nubd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8qsz8ld" 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)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="lpzq8mo" class="recomPic likePro"><a 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