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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="377fzln" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/CCXFSB/637262698525546875/8726961.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jdaxbx8" 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>山西直銷防火門****</p><p><span>***更新：</span>2020-06-02 02:17:12</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ls33kce" 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="hbtqikr" class="page-proshow02"><p class="title">詳細說明</p><div id="3vhzb3c" class="box"><p><p style="text-indent:25px">.防火門：防火門是指在一定時間內(nèi)能滿足耐火穩(wěn)定性、完整性和隔熱性要求的門，它是設(shè)在防火區(qū)間、疏散樓梯間、垂直豎井等具有一定耐火性的防火分隔物。防火門除具有普通門的作用外，更具有阻止火勢蔓延和煙氣擴散的作用，山西直銷防火門****，可在一定時間內(nèi)阻止火勢的蔓延，確保人員疏散。 2.防火卷簾：是指在一定時間內(nèi)，連同框架能滿足耐火穩(wěn)定性和耐火完整性要求的卷簾，山西直銷防火門****，山西直銷防火門****。防火卷簾是一種活動的防火分隔設(shè)施，平時卷起放在門窗上口的轉(zhuǎn)軸箱中，起火時將其放開展開，用以阻止火勢從門窗洞口蔓延。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西直銷防火門****" src="https://tyunfile.71360.com/UploadFile/CCXFSB/637262698525546875/8726961.png"></div><p style="text-indent:25px">出現(xiàn)的常開防火門恰好解決了上述問題，平時它的門扇被定門器固定在開啟位置，火災(zāi)時定門器自動釋放，恢復(fù)與常閉防火門相同的功能。由于增加了定門器和自動釋放系統(tǒng)，有時還要與自動報警系統(tǒng)聯(lián)動，采用常開防火門勢必增加工程造價?，F(xiàn)行防火規(guī)范沒有對防火門采用何種啟閉方式作強制規(guī)定，可由設(shè)計者綜合考慮建筑的標(biāo)準(zhǔn)高低、使用場合的特點、建筑使用者的管理需要及經(jīng)濟因素選擇確定防火門安裝方法編輯防火門按材質(zhì)分：有鋼質(zhì)防火門和木質(zhì)防火門這二種防火門在安裝方法上有一些細節(jié)上的不同。從防火等級上也略有不同大家在安裝的時候一定要注意細節(jié)。首先，木質(zhì)防火門在安裝時。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西直銷防火門****" src="https://tyunfile.71360.com/UploadFile/CCXFSB/637262697887333984/6921873.png"></div><p> 【鋼木防火門】鋼木防火門好不好鋼木防火門怎么選鋼木防火門好不好在我**火門按照材質(zhì)的不同劃分，主要有木質(zhì)防火門和鋼質(zhì)防火門兩種類，另外也有鋼木防火門和其他材質(zhì)的防火門搜索單使用極少，市場上99%的都是木質(zhì)和鋼質(zhì)防火門。顧名思義木質(zhì)防火門既以木材作為框架材料，內(nèi)部填充耐火材料，使其具有阻燃性能的一種門。鋼質(zhì)防火門其內(nèi)部填充物于木質(zhì)防火門完全相同，不同的只是門框與門扇為鋼板制作而成。防火門耐火極限與材質(zhì)無關(guān)按照防火門規(guī)范，根據(jù)發(fā)生耐火極限時間的不同，木質(zhì)防火門和鋼質(zhì)防火門分別劃分出三個防火門級別，甲級防火門(耐火極限)，乙級防火門(耐火極限)和丙級防火門(耐火極限)。木質(zhì)防火門和鋼質(zhì)防火門那種更好雖然說兩種門都可達到一定耐火極限時間標(biāo)準(zhǔn)，但因為材質(zhì)的原因在發(fā)生火災(zāi)時，鋼質(zhì)防火門的燃燒完整性，穩(wěn)定性會更加出色。不過在按小時計算的耐火時間前提下，火場人員疏散所能使用耗費的時一般情況下完全可以滿足，所以在選擇木質(zhì)防火門和鋼質(zhì)防火門時更多的是以日常實際使用為選擇目標(biāo)，通常來說，建筑物內(nèi)部主要以木質(zhì)防火門為主，外部配置鋼質(zhì)防火門更多。后記，木質(zhì)防火門和鋼質(zhì)防火門的區(qū)別還是非常大的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西直銷防火門****" src="https://tyunfile.71360.com/UploadFile/CCXFSB/637262697968535156/4088832.png"></div></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/113176.html</p></div></div></div></div></div><div id="uogiptf" class="page-right 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