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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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class="searchLt"><div id="bx8rd7a" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="8hm47dt" class="clearfix searchWrap"><div id="wau9v9q" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="8gxwfte" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a 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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8pp3kh7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/15888070381/637359327339121094/931794.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ztlardz" 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>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>江山電動油煙止逆閥,油煙機(jī)止回閥</p><p><span>***更新：</span>2021-01-26 00:20:25</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="g2u7e3z" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波延鑫模塑有限公司</a></p><p><span>聯(lián)系人：</span>金偉成</p><p><span>郵箱: </span>1422868828@qq.com</p><p><span>電話: </span>13621730205</p><p><span>傳真: </span>0574_</p><p><span>網(wǎng)址: </span>http://15888070381.shop.88360.com</p><p><span>手機(jī): </span>0574-83550667</p><p><span>地址: </span>桃源街道金山九路12號</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="lpw7r93" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8ls4gpm" class="box"><p><p style="text-indent:25px">廚房煙道油煙機(jī)止回閥的選擇廚房煙道排煙方式。一般分為兩種排煙方式：-種是開發(fā)商給預(yù)留的公共煙道；另一種是沒有公共煙道的通過玻璃窗打孔排煙。兩種排煙方式都可以用油煙機(jī)止回閥。此外衛(wèi)生間的排風(fēng)煙道，也可以用油煙機(jī)止回閥。公共煙道**的油煙機(jī)止回閥好的油煙機(jī)止回閥，應(yīng)選用優(yōu)越的ABS塑料?？梢暂p松應(yīng)對40~100°C的環(huán)境，且耐沖擊，江山電動油煙止逆閥，不易變形斷裂。若是PVC材質(zhì)的，直接拒絕?；騊P聚丙烯樹脂。好的油煙機(jī)止回閥是有橡膠或硅膠密封圈的，江山電動油煙止逆閥。油煙機(jī)止回閥的擋板和框之間，是平面與立面相接的才是好油煙機(jī)止回閥，江山電動油煙止逆閥。而雙開型油煙機(jī)止回閥通風(fēng)較大、不進(jìn)煙道、完全通用。江山電動油煙止逆閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江山電動油煙止逆閥,油煙機(jī)止回閥" src="https://tyunfile.71360.com/UploadFile/15888070381/637359327339121094/931794.png"></div><p style="text-indent:25px">油煙機(jī)止回閥的分類：塑料煙道回閥，原石的煙道防串味產(chǎn)品。材質(zhì)：塑料結(jié)構(gòu)，-根鐵柱貫穿閥門葉片，閥體為方形，需要打孔安裝，防煙效果一般。是一種多功能止回閥，整體由ABS塑料組成，閥門葉片為一個(gè)整體。分底座和閥體兩部分為圓形?？讖椒?種：15、16和18cm，可以安裝在玻璃上也可以安裝在公共煙道上，安裝不需要打孔。用膠粘就可以。防煙效果優(yōu)。閥體為塑料，葉片由兩部分組成，這種-般安裝在油煙機(jī)內(nèi)部，好一點(diǎn)的油煙機(jī)基本上都帶這種油煙機(jī)止回閥。防煙效果中等。江山電動油煙止逆閥油煙機(jī)止回閥閥體的結(jié)構(gòu)形式有直通式、直流式和直角式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江山電動油煙止逆閥,油煙機(jī)止回閥" src="https://tyunfile.71360.com/UploadFile/15888070381/637359327436025391/9557238.png"></div><p style="text-indent:25px">油煙機(jī)止回閥擴(kuò)壓面的中心的的高度，高于遠(yuǎn)離中心的的高度。煙道進(jìn)口之間的較小距離相等；且靠近擴(kuò)壓面的中心的的長度，大于遠(yuǎn)離中心的的長度。的高度不小于3mm，且不大于20mm，長度不小于5mm，厚度不小于0.5mm，且不大于5mmn。一種油煙機(jī)，其特征在于，包括：離心風(fēng)機(jī)；和止回閥的煙道進(jìn)口與離心風(fēng)機(jī)的出風(fēng)口連通，且止回閥的與離心風(fēng)機(jī)的蝸舌靠近。隨著國家標(biāo)準(zhǔn)對抽油煙機(jī)運(yùn)行噪音的管控指標(biāo)進(jìn)一步收嚴(yán)，市場提出了對抽油煙機(jī)運(yùn)行噪音改善。</p><p style="text-indent:25px">防火油煙機(jī)止回閥是屬于防火要求達(dá)標(biāo)，也是極好的油煙機(jī)止回閥一種，消費(fèi)者在購買油煙機(jī)止回閥是要將此油煙機(jī)止回閥作為推薦。防火油煙機(jī)的是完成達(dá)到防水設(shè)計(jì)標(biāo)準(zhǔn)，使用時(shí)不僅止煙效果好，同時(shí)安全性也是非常高的。ABS塑料油煙機(jī)止回閥：其煙道用料是塑料產(chǎn)品，雖然說有一定的止煙效果，保沒有達(dá)到防火要求。其產(chǎn)品是由塑料結(jié)構(gòu)一根鐵柱貫穿閥門葉片，閥體為方形，需要打孔安裝，因其材質(zhì)價(jià)格低廉、安裝方便的原因，讓很多不了解油煙機(jī)止回閥喜歡。油煙機(jī)止回閥的高度比閘閥小，但結(jié)構(gòu)長度比閘閥長。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江山電動油煙止逆閥,油煙機(jī)止回閥" src="https://tyunfile.71360.com/UploadFile/15888070381/637359327397070313/74855.png"></div><p style="text-indent:25px">如何挑選適合家用的油煙機(jī)止回閥？材質(zhì)上必須確保能夠防火：根據(jù)國家建設(shè)部頒布的建筑工業(yè)行業(yè)標(biāo)準(zhǔn)《住宅廚房、衛(wèi)生間排氣道》(JG/T194-2006)、根據(jù)國家標(biāo)準(zhǔn)《建筑設(shè)計(jì)防火規(guī)范》(GB50016-2006)、根據(jù)公安消防部制定防火止回閥類制定的GA/T798-2008《排油煙氣防火止回閥》，檢測時(shí)受檢產(chǎn)品不允許帶有任何塑膠制品配件，并由消防部門指定的國家滅火系統(tǒng)檢測部門檢驗(yàn)合格后出具型式檢驗(yàn)報(bào)告。簡單來說就是油煙機(jī)止回閥材質(zhì)必須要確保能夠防火，因?yàn)橛蜔煹臏囟冗_(dá)到150°時(shí)(煙道溫度達(dá)到150°默認(rèn)為煙道內(nèi)有明火），閥體背面的溫控元件動作，觸動關(guān)閉開關(guān)。閥片在彈簧回彈的作用下強(qiáng)制關(guān)閉閥門，阻止火災(zāi)通過油煙排氣口向室內(nèi)蔓延，為消防贏得寶貴的時(shí)間。油煙機(jī)止回閥公稱壓力可達(dá)到42MPa。江山電動油煙止逆閥</p><p style="text-indent:25px">油煙機(jī)止回閥的閥瓣呈圓盤狀。江山電動油煙止逆閥</p><p style="text-indent:25px">油煙機(jī)止回閥又稱為止煙閥、防煙寶、內(nèi)墻風(fēng)帽等，是用于室內(nèi)廚房煙道上來止煙的一個(gè)安裝設(shè)備，待用狀態(tài)下是封閉式的，使用時(shí)通過油煙機(jī)的風(fēng)力來打開使用。止回閥主要由閥體，搖桿，閥蓋等組成。油煙機(jī)止回閥的設(shè)計(jì)止煙原理是靠流動產(chǎn)生的風(fēng)力而自動開啟和關(guān)閉的，屬于一種自動閥門。油煙機(jī)止回閥的作用：油煙機(jī)止回閥可以有效地阻止廚房公共煙道內(nèi)樓上下人家中排出的氣體和油煙倒灌進(jìn)入自己家里，也就是人們常說的串味現(xiàn)象。同時(shí)也可以防止蚊子，飛蛾，蒼蠅等飛蟲等等爬蟲通過外露的進(jìn)入到廚房空間，能讓廚房內(nèi)不受到外界的的油煙影響，讓居家生活更加舒心、省心！江山電動油煙止逆閥</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3007828.html</p></div></div></div></div></div><div id="rgjvcoq" class="page-right twoColRt"><div id="xr88nrt" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ox22hz3" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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