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href="http://m.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://m.cdcfah.com/cp/third-famenti_fatiqg/">閥體</a>?湖南流體閥門上海富樂(lè)供</p><div id="rgikhqx" class="leftbox clearfix"><h1>湖南流體閥門上海富樂(lè)供</h1><div id="3zpws9o" class="proBig"><div id="uzr3suw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shspvid/637262585921103516/8129435.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xhu3mel" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shspvid/637262585921103516/8129435.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bv8omgx" 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>湖南流體閥門</p><p><span>***更新：</span>2020-06-20 01:19:09</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="tnf2wyp" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海富樂(lè)閥門管件有限公司</a></p><p><span>聯(lián)系人：</span>拓亞光</p><p><span>郵箱: </span></p><p><span>電話: </span>13761339156</p><p><span>傳真: </span>021_69511970</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-51692898-821</p><p><span>地址: </span>上海市嘉定區(qū)外岡工業(yè)區(qū)匯賢路530號(hào)</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="e88pwg8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="yxzro3j" class="box"><p><p> 板片的波形包括人字形、平直形、球形等。經(jīng)過(guò)多年的研究和實(shí)驗(yàn)發(fā)現(xiàn)，波紋斷面形狀為三角形(正弦形表面?zhèn)鳠嵯禂?shù)大，壓力降較小，受壓時(shí)應(yīng)力分布均勻，但加工困難的人字形板片具有較高的表面?zhèn)鳠嵯禂?shù)，且波紋的夾角越大，板間流道內(nèi)介質(zhì)流速越高，表面?zhèn)鳠嵯禂?shù)越大。減小污垢層熱阻減小換熱器的污垢層熱阻的關(guān)鍵是防止板片結(jié)垢。板片結(jié)垢厚度為1mm時(shí)，傳熱系數(shù)降低約10%。因此，必須注意監(jiān)測(cè)換熱器冷熱兩側(cè)的水質(zhì)，防止板片結(jié)垢，并防止水中雜物附著在板片上。有些供熱單位為防止盜水及鋼件腐蝕，在供熱介質(zhì)中添加藥劑，湖南流體閥門，因此必須注意水質(zhì)和黏劑引起雜物沾污換熱器板片，湖南流體閥門。如果水中有黏性雜物，應(yīng)采用**過(guò)濾器進(jìn)行處理，湖南流體閥門。選用藥劑時(shí)，宜選擇無(wú)黏性的藥劑。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南流體閥門" src="https://tyunfile.71360.com/UploadFile/shspvid/637262585921103516/8129435.png"></div><p> 確定水泵的具體型號(hào)確定選用什么系列的泵后，就可按流量，（在沒(méi)有流量時(shí)，通常可取正常流量的），取放大5%—10%余量后的揚(yáng)程這兩個(gè)性能的主要參數(shù)，在型譜圖或者系列特性曲線上確定具體型號(hào)。操作如下：利用泵特性曲線，在橫坐標(biāo)上找到所需流量值，在縱坐標(biāo)上找到所需揚(yáng)程值，從兩值分別向上和向右引垂線或水平線，兩線交點(diǎn)正好落在特性曲線上，則該泵就是要選的泵，但是這種理想情況一般很少，通常會(huì)碰上下列兩種情況：第一種：交點(diǎn)在特性曲線上方，這說(shuō)明流量滿足要求，但揚(yáng)程不夠，此時(shí)，若揚(yáng)程相差不多，或相差5%左右，仍可選用，若揚(yáng)程相差很多，則選揚(yáng)程較大的泵?；蛟O(shè)法減小管路阻力損失。第二種：交點(diǎn)在特性曲線下方，在泵特性曲線扇狀梯形范圍內(nèi)，就初步定下此型號(hào)，然后根據(jù)揚(yáng)程相差多少，來(lái)決定是否切割葉輪直徑。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南流體閥門" src="https://tyunfile.71360.com/UploadFile/shspvid/637262584295302735/9806497.png"></div><p style="text-indent:25px">上海富樂(lè)閥門管件有限公司創(chuàng)立于1998年，注冊(cè)于上海浦東外高橋保稅區(qū)內(nèi)。公司主要是以外貿(mào)出口業(yè)務(wù)為主，先后在上海嘉定外岡工業(yè)區(qū)和天津武清京濱工業(yè)園投資組建了兩個(gè)專業(yè)的制造工廠。這兩個(gè)下屬工廠負(fù)責(zé)專業(yè)生產(chǎn)ANSI、DIN、BS、GB等標(biāo)準(zhǔn)的各種材質(zhì)球閥、蝶閥、閘閥、截止閥、平衡閥、過(guò)濾器、旋塞閥、控制閥等系列產(chǎn)品。工廠的產(chǎn)品通過(guò)公司近80%以上出口到歐美、中東、東南亞等世界各地，并與多家歐美公司進(jìn)行技術(shù)合作和OEM生產(chǎn)。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/320029.html</p></div></div></div></div></div><div id="2w3nfuy" class="page-right twoColRt"><div id="afczr2c" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8yi2b3m" 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)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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