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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/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenti_zhihuifats/">止回閥</a>?上海雙口止回閥質(zhì)量好誠(chéng)信互利上海冠耐閥門供應(yīng)</p><div id="dhx59pv" class="leftbox clearfix"><h1>上海雙口止回閥質(zhì)量好誠(chéng)信互利上海冠耐閥門供應(yīng)</h1><div id="p9drxvb" class="proBig"><div id="pvdj9rn" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/26/8/636997283401425670_guannai_8513623.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zxvtflr" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/26/8/636997283401425670_guannai_8513623.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vtzpnl7" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海雙口止回閥質(zhì)量好</p><p><span>***更新：</span>2020-05-22 17:27:09</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hbpxlrx" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海冠耐閥門有限公司</a></p><p><span>聯(lián)系人：</span>石家全</p><p><span>郵箱: </span>gnvalves@163.com</p><p><span>電話: </span>13636691668</p><p><span>傳真: </span>021_67180323</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-67180323</p><p><span>地址: </span>科工路869號(hào)第4幢第1層第24車間</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="hn9ljxd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jt9n7lj" class="box"><p><p style="text-indent:25px">DY30BX緩開快閉止回閥產(chǎn)品概述 DY30BX緩開快閉止回閥包括閥體內(nèi)設(shè)閥座、閥桿、以及與閥體連接的上閥蓋與下閥蓋等零件組成。上閥蓋與下閥蓋之間為隔膜腔，隔膜腔內(nèi)設(shè)隔膜，隔膜與中心軸連接，中心軸另一端連接閥門，閥門與閥座接觸。水容器與上閥蓋進(jìn)水、出水控制孔連通，水容器與上閥蓋出水為節(jié)流連通，水容器與上閥蓋進(jìn)水為單向連通。該DY30BX緩開快閉止回閥緩慢開啟，防止電流沖擊及官網(wǎng)中壓力沖擊；快速關(guān)閉，防止水錘產(chǎn)生。無(wú)水質(zhì)要求，可用于污水、清水及原水系統(tǒng)。 DY30BX緩開快閉止回閥結(jié)構(gòu)特點(diǎn) 1.多功能快開快閉止回閥主閥體采用Y型雙腔膜片式結(jié)構(gòu)，密封副為軟密封，與管道的連接形式為法蘭連接。 2.多功能快開快閉止回閥由閥體、閥蓋、隔離盤、中心軸、導(dǎo)向套、銅套、大（小）閥座、大（小）閥瓣、膜片、膜片壓板及先導(dǎo)閥和控制管路等主要零部件組成，通過控制閥瓣的上下運(yùn)動(dòng)來(lái)實(shí)現(xiàn)閥門的啟閉。 3.多功能快開快閉止回閥能保證閥門能與水泵聯(lián)鎖，上海雙口止回閥質(zhì)量好，可實(shí)現(xiàn)離心水泵的閉閥啟動(dòng)功能。 4.主閥體采用半流道Y型設(shè)計(jì)，水流阻力小，上海雙口止回閥質(zhì)量好，閥門水頭損在1m水柱以下（在流速為2m/s左右。） 5，上海雙口止回閥質(zhì)量好.多功能快開快閉止回閥密封效果良好，保證閥門泄漏量為零泄漏，密封試驗(yàn)按國(guó)家標(biāo)準(zhǔn)執(zhí)行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海雙口止回閥質(zhì)量好" src="http://tyunfile.71360.com/UpLoadFile/2019/7/26/8/636997283401425670_guannai_8513623.jpg"></div><p style="text-indent:25px">信號(hào)閘閥有哪些優(yōu)點(diǎn)？流體阻力小 , 密封面受介質(zhì)的沖刷和侵蝕小。開閉較省力。介質(zhì)流向不受限制 , 不擾流、不降低壓力。形體簡(jiǎn)單 , 結(jié)構(gòu)長(zhǎng)度短，制造工藝性好，適用范圍廣。重量輕：本體采用高級(jí)球黑鑄鐵制成，重量較傳統(tǒng)閘閥重量減輕約20%~30%，安裝維修方便。平底式閘座：傳統(tǒng)的閘閥往往在通水洗管后即因外物諸如石頭，木塊、水泥、鐵屑、雜物等淤積于閥底凹槽內(nèi)，容易造成無(wú)法關(guān)閉緊密而形成漏水現(xiàn)象，彈性座封閘閥底部采用與水管機(jī)同的平底設(shè)計(jì)，不易造成雜物淤積，使流體暢通無(wú)阻。信號(hào)閘閥缺點(diǎn)有哪密封面之間易引起沖蝕和擦傷，維修比較困難。外形尺寸較大，開啟需要一定的空間，開閉時(shí)間長(zhǎng)。結(jié)構(gòu)較復(fù)雜。閘閥的種類 ,按密封面配置可分為楔式閘板式閘閥和平行閘板式閘閥 , 楔式閘板式閘閥又可分為 : 單閘極式、雙閘板式和彈性閘板式；平行閘板式閘閥可分為單閘板式和雙閘板式。按閥桿的螺紋位置劃分，可分為明桿閘閥和暗桿閘閥兩種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海雙口止回閥質(zhì)量好" src="http://tyunfile.71360.com/UpLoadFile/2019/7/25/15/636996652194406618_guannai_4865561.jpg"></div><p style="text-indent:25px">上海冠耐閥門有限公司是一家有著先進(jìn)的發(fā)展理念，先進(jìn)的管理經(jīng)驗(yàn)，在發(fā)展過程中不斷完善自己，要求自己，不斷創(chuàng)新，時(shí)刻準(zhǔn)備著迎接更多挑戰(zhàn)的活力公司，在上海市市轄區(qū)等地區(qū)的機(jī)械及行業(yè)設(shè)備中匯聚了大量的人脈以及**，在業(yè)界也收獲了很多良好的評(píng)價(jià)，這些都源自于自身不努力和大家共同進(jìn)步的結(jié)果，這些評(píng)價(jià)對(duì)我們而言是比較好的前進(jìn)動(dòng)力，也促使我們?cè)谝院蟮牡缆飞媳３謯^發(fā)圖強(qiáng)、一往無(wú)前的進(jìn)取創(chuàng)新精神，努力把公司發(fā)展戰(zhàn)略推向一個(gè)新高度，在全體員工共同努力之下，全力拼搏將共同上海冠耐閥門和您一起攜手走向更好的未來(lái)，創(chuàng)造更有價(jià)值的產(chǎn)品，我們將以更好的狀態(tài)，更認(rèn)真的態(tài)度，更飽滿的精力去創(chuàng)造，去拼搏，去努力，讓我們一起更好更快的成長(zhǎng)！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海雙口止回閥質(zhì)量好" src="http://tyunfile.71360.com/UpLoadFile/2019/7/26/8/636997283412671311_guannai_8460656.jpg"></div></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1301.html</p></div></div></div></div></div><div id="5ljf7dl" class="page-right twoColRt"><div id="zzpx7n7" class="box01 margin10 clearfix"><h3><a 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