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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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id="uebcp"></progress></div><header class="header container"><span id="j8qzyzb" class="logo"><a href="http://www.cdcfah.com/"><img src="/static/new_net_01/images/logo.png" alt="找產(chǎn)品網(wǎng)"></a></span><span id="fleo27f" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務(wù)平臺(tái) </span><div id="ml4roni" class="searchbox"><div id="3hlnfwi" class="searchLt"><div id="ir2jlct" 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(huì)</a></div><div id="8ewjvxz" class="clearfix searchWrap"><div id="os4iovm" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)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="wq4w39r" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁(yè)</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 href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="f8zgyah" class="twoCol"><div id="ae97kw3" 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-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_guanjianbi/">管件</a>?<a href="http://www.cdcfah.com/cp/third-guanjianbi_fengtou/">封頭</a>?上海304封頭制造廠無(wú)錫國(guó)鑫封頭供應(yīng)</p><div id="p2uwtvx" class="leftbox clearfix"><h1>上海304封頭制造廠無(wú)錫國(guó)鑫封頭供應(yīng)</h1><div id="dxwdk8d" class="proBig"><div id="laeace8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178079547538/7069500.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="k88kmex" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178079547538/7069500.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ysxzbiu" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海304封頭制造廠,封頭</p><p><span>***更新：</span>2020-11-16 10:37:00</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="xmlc3al" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)錫國(guó)鑫封頭制造有限公司</a></p><p><span>聯(lián)系人：</span>魏峰潔</p><p><span>郵箱: </span>239703@qq.com</p><p><span>電話: </span>13861726550</p><p><span>傳真: </span>0510_83898088</p><p><span>網(wǎng)址: </span>http://www.wxgxft.com</p><p><span>手機(jī): </span>0510-83897088</p><p><span>地址: </span>玉祁街道曙光村</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="g29ld38" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="n7fmwyp" class="box"><p><p style="text-indent:25px">封頭并不是能很好的起到密封的作用，這樣還是采用其他的安裝方式，這種方式不**是應(yīng)當(dāng)便于拆卸更應(yīng)當(dāng)是能起到很好的密封作用，上海304封頭制造廠，上海304封頭制造廠，所以比較適應(yīng)于的是螺紋配合密封膠的安裝方法，這是兩種安裝方法的融合，我們使用這種方法能起到兩個(gè)方面的效果。平封頭也稱平底封頭,按外形分為:平底沖孔封頭,平底管板封頭,折邊平封頭,平底封頭(平封頭)常用于大型壓力容器和壓力管道中，上海304封頭制造廠。平封頭的殼體材料：碳鋼、不銹鋼、合金鋼平封頭適用介質(zhì)：氣體、液體。封頭保證整體閥門流量特性與原設(shè)計(jì)要求相符。上海304封頭制造廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海304封頭制造廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178079547538/7069500.png"></div><p style="text-indent:25px">鈦板不銹鋼封頭熱處理中產(chǎn)生的熱應(yīng)力和組織應(yīng)力，兩者不管是相互抵消還是相互迭加，都會(huì)有一個(gè)占主導(dǎo)因素，熱應(yīng)力占主導(dǎo)地位時(shí)的作用結(jié)果是工件心部受拉，表面受壓。組織應(yīng)力占主導(dǎo)地位時(shí)的作用結(jié)果是工件心部受壓表面受拉。鈦板不銹鋼封頭一般的生產(chǎn)流程為，材料的進(jìn)料、理化、材質(zhì)的下料、產(chǎn)品的熱鍛成型、產(chǎn)品熱處理；一般的檢驗(yàn)步驟為產(chǎn)品檢驗(yàn)、產(chǎn)品的精加工、封頭成品的檢驗(yàn)、標(biāo)識(shí)、再成品的檢驗(yàn)、再標(biāo)識(shí)；包裝步驟：包裝前進(jìn)行打字、之后再進(jìn)行發(fā)運(yùn)。徐州反滲透設(shè)備封頭企業(yè)封頭長(zhǎng)期使用后變化小、磨損的燒損小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海304封頭制造廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179022237701/5539545.png"></div><p style="text-indent:25px">對(duì)于封頭現(xiàn)在人們也正在研究使用磷化潤(rùn)滑的方法，不止是否有可能。封頭的溫鍛的優(yōu)勢(shì)在于可以提高鍛件的精度和質(zhì)量，同時(shí)又沒(méi)有冷鍛那樣大的成形力。溫鍛工藝的應(yīng)用與鍛件材料、鍛件大小、鍛件復(fù)雜程度有密切的關(guān)系。一般而言，對(duì)于形狀不太復(fù)雜的低碳、低合金鋼小型精密模鍛件，采用冷鍛工藝可以成形；對(duì)于形狀復(fù)雜的中小型中碳鋼精密模鍛件，冷鍛方法難以解決其成形問(wèn)題，或單純采用冷鍛工藝成本偏高，則可采用溫鍛成形。封頭鋼的再結(jié)晶溫度大約在750℃左右。</p><p style="text-indent:25px">封頭與壓力容器、管道、法蘭盤、彎頭、三通、四通等一起使用。至于該產(chǎn)品的質(zhì)量，可以根據(jù)使用要求進(jìn)行定制，從而卓著的延長(zhǎng)壓力容器的使用壽命，長(zhǎng)期使用也不用擔(dān)心。隨著技術(shù)發(fā)展，目前封頭產(chǎn)品的功能性也越來(lái)越多樣化。大家都知道，在現(xiàn)代城市的建設(shè)過(guò)程中高壓鍋、大型熱加設(shè)備、石油儲(chǔ)蓄罐等帶有管道的器材在實(shí)際應(yīng)用過(guò)程中，就會(huì)涉及到截?cái)嗝娣饪趩?wèn)題。這時(shí)候就會(huì)使用到各種各樣的封頭產(chǎn)品。除了技術(shù)水平不斷提升之外，其實(shí)產(chǎn)品的材質(zhì)選擇也有了很大的改變。目前在一些使用場(chǎng)所中，我們可以選用新型的耐高壓、耐高溫、且抗壓能力強(qiáng)的原料來(lái)制作所需要的封頭產(chǎn)品。同時(shí)隨著封頭功能越來(lái)越多樣化，使得它的發(fā)展也是越來(lái)越壯大，在各大機(jī)械行業(yè)中頻繁使用到的封口材料。封頭組成以閥桿位移為測(cè)量信號(hào)，以控制器輸出為設(shè)定信號(hào)的反饋控制系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海304封頭制造廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178099889202/9986177.png"></div><p style="text-indent:25px">封頭改變鋼錠的鑄態(tài)結(jié)構(gòu)，在熱鍛過(guò)程中經(jīng)過(guò)再結(jié)晶，粗大的鑄態(tài)組織變成細(xì)小晶粒的新組織，并減少鑄態(tài)結(jié)構(gòu)的缺陷，提高鋼的機(jī)械性能；另外，熱鍛能夠提高鋼的塑性，這對(duì)一些低溫時(shí)較脆難以鍛壓的高合金鋼尤為重要。不銹鋼封頭的組織應(yīng)力的大小與工件在馬氏體相變區(qū)的冷卻速度,形狀，材料的化學(xué)成分等因素有關(guān)。不銹鋼封頭組織應(yīng)力變化的較終結(jié)果是表層受拉應(yīng)力,心部受壓應(yīng)力,恰好與熱應(yīng)力相反。不銹鋼封頭在進(jìn)行操作時(shí)任何工件在熱處理過(guò)程中。封頭的碟板裝置配套法蘭主張采用碟閥**法蘭。上海304封頭制造廠</p><p style="text-indent:25px">封頭以控制器輸出信號(hào)作為設(shè)定信號(hào)。上海304封頭制造廠</p><p style="text-indent:25px">在實(shí)際應(yīng)用中，封頭產(chǎn)品具有良好的使用效果。對(duì)于很多行業(yè)來(lái)說(shuō)，比如石油化工、原子能、食品行業(yè)、及制藥行業(yè)等行業(yè)中，封頭都屬于一款不可或缺的重要部件，其主要是使用在壓力容器上。接下來(lái)我們就針對(duì)這方面的內(nèi)容為大家做個(gè)簡(jiǎn)單的介紹，希望能夠幫助到大家。首先在實(shí)際應(yīng)用中，封頭產(chǎn)品主要是使用在壓力容器的上端蓋上，是壓力容器中一個(gè)非常重要的部分，也是起到密封作用。通常情況下，在使用封頭這一產(chǎn)品的時(shí)候，并不是單一使用，而往往需要和配套的管件進(jìn)行使用。上海304封頭制造廠</p><p style="text-indent:25px">無(wú)錫國(guó)鑫封頭制造有限公司總部位于玉祁街道曙光工業(yè)園，是一家主營(yíng)封頭、橢圓封頭、碟形封頭、球冠封頭、半球封頭、錐形封頭、爐臺(tái)殼體、平底封頭、攪拌車封頭、**車封頭、SF/SS 雙層油罐封頭、方圓封頭、鴨蛋封頭及雙相鋼、鋁鎂合金、鈦合金等特種材料封頭。主要運(yùn)用于壓力容器設(shè)備、制藥設(shè)備、環(huán)保設(shè)備、罐體運(yùn)輸車輛等行業(yè)的公司。國(guó)鑫封頭深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**的封頭，不銹鋼封頭，碳鋼封頭，鋁封頭。國(guó)鑫封頭繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。國(guó)鑫封頭始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2015315.html</p></div></div></div></div></div><div id="3vmekry" class="page-right twoColRt"><div id="3ikro89" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hlsubnk" 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) 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