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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="jvtznth" class="twoCol"><div id="rfvdjpl" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxhxp/">精細(xì)化學(xué)品</a>?<a href="http://www.cdcfah.com/cp/second-jxhxp_tlzjdy/">涂料助劑</a>?<a href="http://www.cdcfah.com/cp/third-tlzjdy_qttlzjrh/">其他涂料助劑</a>?上海制冷劑價(jià)錢上海冰仆冷暖設(shè)備供應(yīng)</p><div id="bhpf9fd" class="leftbox clearfix"><h1>上海制冷劑價(jià)錢上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="lrhhv9p" class="proBig"><div id="pv9v9jh" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016697905704/2303191.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dtrfvjz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016697905704/2303191.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="v7tdjpd" 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>上海制冷劑價(jià)錢,制冷劑</p><p><span>***更新：</span>2021-01-20 02:16:06</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="l7trhvt" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海冰仆冷暖設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>徐佳華</p><p><span>郵箱: </span>444054147@qq.com</p><p><span>電話: </span>13761656620</p><p><span>傳真: </span>1_1</p><p><span>網(wǎng)址: </span>https://www.shbpln.com</p><p><span>手機(jī): </span>1-1</p><p><span>地址: </span>美丹路222號(hào)629室</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="7t9r5zf" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="lbjpflj" class="box"><p><p style="text-indent:25px">R-134a制冷劑別名R134a、HFC134a、HFC-134a、四氟乙烷，商品名稱有SUVA 134a、Genetron 134a、KLEA 134a等，中文名稱四氟乙烷，英文名稱1,1,1,2-tetrafluoroethane，化學(xué)名1,1,1,2-- 四氟乙烷，分子式CH2FCF3。由于R-134a屬于HFC類物質(zhì)（非ODS物質(zhì)Ozone-depleting Substances）——因此完全不破壞臭氧層，是當(dāng)前世界絕大多數(shù)的各國(guó)認(rèn)可并推薦使用的環(huán)保制冷劑，也是目前主流的環(huán)保制冷劑，較廣用于新制冷空調(diào)設(shè)備上的初裝和維修過(guò)程中的再添加。R-134a作為使用較較廣的中低溫環(huán)保制冷劑，由于HFC-134a 良好的綜合性能，使其成為一種非常有效和安全的CFC-12的替代品，主要應(yīng)用于在使用 R-12（R12，上海制冷劑價(jià)錢，上海制冷劑價(jià)錢，上海制冷劑價(jià)錢、氟利昂12、F-12、CFC-12、Freon 12、二氯二氟甲烷）制冷劑的多數(shù)領(lǐng)域制冷劑需有良好的電氣絕緣性。上海制冷劑價(jià)錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海制冷劑價(jià)錢,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016697905704/2303191.png"></div><p style="text-indent:25px">制冷劑低壓端加注：從壓縮機(jī)吸氣閥(低壓閥)的旁通孔(多用通道)加注，充入的是制冷劑氣體，其特點(diǎn)是加注速度慢，可在系統(tǒng)補(bǔ)充制冷劑的情況下使用。操作步驟：1）、將歧管壓力計(jì)與壓縮機(jī)和制冷罐連接好。2）、打開制冷劑罐，擰松中間注入軟管在歧管壓力計(jì)上的螺母，直到聽(tīng)見(jiàn)有制冷劑蒸氣流動(dòng)聲，然后擰緊螺母。從而排出注入軟管中的空氣。3)關(guān)閉手動(dòng)高壓閥，將制冷劑鋼瓶直立，起動(dòng)發(fā)動(dòng)機(jī)，使空調(diào)壓縮機(jī)運(yùn)轉(zhuǎn)，打開低壓手動(dòng)閥，讓氣態(tài)制冷劑從低壓側(cè)進(jìn)入壓縮機(jī)，當(dāng)系統(tǒng)的壓力值達(dá)到0.4MPa時(shí)，關(guān)閉低壓手動(dòng)閥和制冷劑罐開關(guān)閥。4)起動(dòng)發(fā)動(dòng)機(jī)，將空調(diào)開關(guān)接通，并將鼓風(fēng)機(jī)開關(guān)和溫控開關(guān)都調(diào)至較大。5)再打開歧管壓力計(jì)上的手動(dòng)閥，讓制冷劑繼續(xù)進(jìn)入制冷系統(tǒng)，直至加注量達(dá)到規(guī)定值。上海制冷劑價(jià)錢制冷劑臨界溫度高于冷凝溫度、與冷凝溫度對(duì)應(yīng)的飽和壓力不要太高、標(biāo)準(zhǔn)沸點(diǎn)較低、單位容積制熱量較大等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海制冷劑價(jià)錢,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017480278643/8413208.png"></div><p style="text-indent:25px">制冷劑充入量的準(zhǔn)確判斷方法：測(cè)重量。在充注氟利昂時(shí),事先準(zhǔn)備一個(gè)小臺(tái)秤，將制冷劑鋼瓶放入一個(gè)容器中，再在容器中注入40℃以下的冷水(適用于空調(diào)器的低壓充注制冷劑蒸汽)。充注前記下鋼瓶、溫水及容器的重量，在充注過(guò)程中注意觀察指針。當(dāng)鋼瓶?jī)?nèi)制冷劑的減少量等于所需要的充注量時(shí)可停止充注。測(cè)工作電流。用鉗型電流表測(cè)工作電流，制冷時(shí)，環(huán)境溫度35℃，所測(cè)得的工作電流與銘牌上電流相對(duì)應(yīng)。溫度越高，電流相應(yīng)增大，溫度越低電流相應(yīng)減少。在風(fēng)機(jī)正常、兩器散熱號(hào)的情況下按空調(diào)器工況測(cè)電流值作比較。</p><p style="text-indent:25px">氨制冷裝置中不能使用銅及銅合金材料，并規(guī)定氨中含水量不應(yīng)超過(guò)0.2%。氨的臨界溫度較高（tkr=132℃），汽化潛熱大，在大氣壓力下為1164KJ/Kg，標(biāo)準(zhǔn)工況下的單位容積制冷量也大，氨壓縮機(jī)尺寸可以較小。純氨對(duì)潤(rùn)滑油無(wú)不良影響，但有水分時(shí)，會(huì)降低冷凍油的潤(rùn)滑作用。氨在潤(rùn)滑油中不易溶解，故要在裝置中設(shè)置油分離器，減少潤(rùn)滑油進(jìn)入冷凝器和蒸發(fā)器，防止熱交換表面被油污染后傳熱性能降低。純氨對(duì)鋼鐵無(wú)腐蝕作用，但當(dāng)氨中含有水分時(shí)將腐蝕銅和銅合金（磷青銅除外），故在氨制冷系統(tǒng)中對(duì)管道及閥件均不采用銅和銅合金。R134a 是目前國(guó)際公認(rèn)的替代 CFC-12 的主要制冷工質(zhì)之一。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海制冷劑價(jià)錢,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017286098980/8917334.png"></div><p style="text-indent:25px">二十世紀(jì)初，制冷系統(tǒng)開始作為大型建筑的空氣調(diào)節(jié)手段。位于德克薩斯圣安東尼奧的梅蘭大廈是首先個(gè)全空調(diào)高層辦公樓。1926年，托馬斯.米奇尼（Thomas Midgely）開發(fā)了首臺(tái)CFC（氯氟碳）機(jī)器，使用R-12. CFC族（氯氟碳）不可燃、無(wú)毒（和二氧化硫相比時(shí)）并且能效高。該機(jī)器于1931年開始商業(yè)生產(chǎn)并很快進(jìn)入家用。威利斯.開利（Willis Carrier）開發(fā)了首先臺(tái)商用離心式制冷機(jī)，開創(chuàng)了制冷和空調(diào)的紀(jì)元。20世紀(jì)30年代，一系列鹵代烴制冷劑相繼出現(xiàn)，杜邦公司將其命名為氟利昂（Freon）。制冷劑是一種在制冷系統(tǒng)中不斷循環(huán)并通過(guò)其本身的狀態(tài)變化以實(shí)現(xiàn)制冷的工作物質(zhì)。上海制冷劑價(jià)錢</p><p style="text-indent:25px">R404A是不破壞大氣臭氧層的環(huán)保制冷劑。上海制冷劑價(jià)錢</p><p style="text-indent:25px">冰箱系統(tǒng)抽程控的時(shí)候把已經(jīng)鎖上的高低壓閥門打開，開始進(jìn)行正式的系統(tǒng)抽空工作，制冷系統(tǒng)如果已經(jīng)被抽成程真空的時(shí)候關(guān)閉高低壓閥門再關(guān)閉真空泵。這個(gè)時(shí)候制冷系統(tǒng)處于真空狀態(tài)，就可以添加制冷劑了，把黃色管與真空本斷開街道制冷劑的并口上，打開制冷劑瓶子的氣門芯，黃色管里的空氣排凈后倒轉(zhuǎn)制冷劑瓶放好，打開高低壓閥門加入制冷劑。制冷劑加的差不多之后再把高低壓閥門關(guān)閉，放好制冷劑瓶，這樣冰箱制冷劑的添加就完成了。雖然冰箱制冷劑的添加看著簡(jiǎn)單，其實(shí)細(xì)節(jié)方面容易出錯(cuò)，所以還是建議大家找專業(yè)的人員來(lái)添加制冷劑，如果對(duì)自己有信心也可以自己完成冰箱制冷劑的添加。上海制冷劑價(jià)錢</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司位于美丹路222號(hào)629室。公司業(yè)務(wù)涵蓋制冷劑廠家直銷，冷凍油廠家直銷，壓縮機(jī)批發(fā)銷售，制冷配件批發(fā)銷售等，價(jià)格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于化工行業(yè)的發(fā)展。冰仆冷暖設(shè)備立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2922429.html</p></div></div></div></div></div><div id="7f5zxlh" class="page-right twoColRt"><div id="vltj9zx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bpxfdtr" 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" 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 id="ndtth9b" 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