南京火鍋設(shè)備封頭生產(chǎn)廠家無(wú)錫國(guó)鑫封頭供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="如果是將橢圓封頭應(yīng)用于一些特殊的場(chǎng)合，那么還需要對(duì)其的焊縫進(jìn)行100%探傷檢測(cè)處理，所以焊接時(shí)更要小心。一般在使用壓力容器封頭必須要出具壓力容器臨檢證書(shū)，南京火鍋設(shè)備封頭生產(chǎn)廠家，幾乎無(wú)損檢測(cè)探傷報(bào)告等?？傊暇┗疱佋O(shè)備封頭生產(chǎn)廠家，橢圓"><meta name="keywords" content="南京火鍋設(shè)備封頭生產(chǎn)廠家,封頭"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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class="home-main container clearfix"><div id="cryv77x" class="twoCol"><div id="2uc2xz3" 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>?南京火鍋設(shè)備封頭生產(chǎn)廠家無(wú)錫國(guó)鑫封頭供應(yīng)</p><div id="s8vnpmo" class="leftbox clearfix"><h1>南京火鍋設(shè)備封頭生產(chǎn)廠家無(wú)錫國(guó)鑫封頭供應(yīng)</h1><div id="fm7ptah" class="proBig"><div id="tiur3zq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178099889202/9986177.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fuwo78m" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178099889202/9986177.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2kr7qi7" 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>南京火鍋設(shè)備封頭生產(chǎn)廠家,封頭</p><p><span>***更新：</span>2020-11-29 07:24:29</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="nb3l8bn" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="uyv7ubi" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="wlsu2he" class="box"><p><p style="text-indent:25px">如果是將橢圓封頭應(yīng)用于一些特殊的場(chǎng)合，那么還需要對(duì)其的焊縫進(jìn)行100%探傷檢測(cè)處理，所以焊接時(shí)更要小心。一般在使用壓力容器封頭必須要出具壓力容器臨檢證書(shū)，南京火鍋設(shè)備封頭生產(chǎn)廠家，幾乎無(wú)損檢測(cè)探傷報(bào)告等?？傊?，南京火鍋設(shè)備封頭生產(chǎn)廠家，橢圓封頭在拼接焊縫時(shí)，一定要特別注意，而且在拼接完成之后，一定要打磨平整，使外觀看上去更美觀。在很多管道系統(tǒng)中，南京火鍋設(shè)備封頭生產(chǎn)廠家，也需要配以相應(yīng)的不銹鋼封頭產(chǎn)品，以便進(jìn)行封堵。也就是在管道到頭了之后或者是在一段圓管的兩頭焊上兩個(gè)封頭做容器用的一種產(chǎn)品。封頭裝置前道確認(rèn)產(chǎn)品功能和介質(zhì)流向箭頭是否與運(yùn)動(dòng)工況相符。南京火鍋設(shè)備封頭生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京火鍋設(shè)備封頭生產(chǎn)廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178099889202/9986177.png"></div><p style="text-indent:25px">不銹鋼封頭的冷卻表現(xiàn)機(jī)構(gòu)應(yīng)力的大小與作件正在馬氏體相變區(qū)的結(jié)冰進(jìn)度,外形，資料的化學(xué)因素等要素相關(guān)。沒(méi)有銹鋼封頭機(jī)構(gòu)應(yīng)力變遷的后果是表層受拉應(yīng)力,心部受壓應(yīng)力,恰恰與熱應(yīng)力相同。當(dāng)結(jié)冰進(jìn)度愈快,含碳量和合金因素愈高,結(jié)冰進(jìn)程中正在熱應(yīng)力作用下發(fā)生的沒(méi)有勻稱(chēng)塑性變形愈大,構(gòu)成的剩余應(yīng)力愈大。另一范圍鋼正在熱解決進(jìn)程中因?yàn)闄C(jī)構(gòu)的變遷即奧氏體向馬氏體改變時(shí),因比容的增常會(huì)隨同作件容積的收縮,作件各位置先后相變。南通儲(chǔ)氣罐封頭生產(chǎn)制造廠家標(biāo)準(zhǔn)橢圓形的封頭壁厚大約比半球形的封頭厚一倍，而與圓筒的壁厚相近。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京火鍋設(shè)備封頭生產(chǎn)廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178142525591/9957459.png"></div><p style="text-indent:25px">封頭的使用特征。1、封頭的不透光性。管材管件應(yīng)不透光。2、封頭的衛(wèi)生性能是否符合國(guó)家標(biāo)準(zhǔn)規(guī)定。此項(xiàng)可檢查衛(wèi)生檢驗(yàn)部門(mén)對(duì)管材管件的衛(wèi)生性能檢驗(yàn)報(bào)告。3、封頭系統(tǒng)適用性。管材與管件連接后應(yīng)通過(guò)8760小時(shí)內(nèi)壓和5000次熱循環(huán)兩項(xiàng)組合試驗(yàn)。4、封頭的物理力學(xué)性能和化學(xué)性能。靜液壓試驗(yàn)、熔體質(zhì)量流動(dòng)速率、靜液壓狀態(tài)下熱穩(wěn)定性試驗(yàn)以及管材的縱向回縮率、簡(jiǎn)支梁沖擊試驗(yàn)是否符合國(guó)家標(biāo)準(zhǔn)規(guī)定，此項(xiàng)可檢查材料的檢驗(yàn)報(bào)告內(nèi)容及復(fù)試報(bào)告內(nèi)容。5、封頭的管徑和壁厚。根據(jù)GB/T18742.2-2002國(guó)家標(biāo)準(zhǔn)，管材按尺寸分為S5、S4、S3.2、S2.5、S2五個(gè)系列。封頭管帽系列S與公稱(chēng)壓力有相應(yīng)的對(duì)應(yīng)關(guān)系，管材規(guī)格用管系列S、公稱(chēng)外徑dn*公稱(chēng)壁厚en表示，主要檢驗(yàn)管材的公稱(chēng)外徑、平均外徑以及與管系列對(duì)應(yīng)的壁厚、封頭的承口尺寸與相應(yīng)的公稱(chēng)外徑。6、封頭外觀。管材的色澤應(yīng)基本一致，內(nèi)外表面應(yīng)光滑、平整，無(wú)凹陷、氣泡和其他影響性能的表面缺陷，不應(yīng)含有可見(jiàn)雜質(zhì)；管件表面應(yīng)光滑、平整，不允許有裂紋、氣泡、脫皮和明顯的雜質(zhì)、嚴(yán)重的縮形以及色澤不均、分解變色等缺陷。</p><p style="text-indent:25px">橢圓封頭即為由旋轉(zhuǎn)橢圓球面和圓筒形直段兩部分組成的封頭。其作用是.管道到頭了，不準(zhǔn)備現(xiàn)延伸了，用封頭焊到管子上，做為一個(gè)末端來(lái)使用?；蛘呤怯迷趬毫θ萜魃?，上下各有一個(gè)封頭，中間是一個(gè)直管段，做為壓力容器的罐子用。由于橢圓形封頭的深度介于半球形和碟形封頭之間，對(duì)沖壓設(shè)備及模具的要求、制造難度亦介于兩者之間，即比半球形封頭容易，比碟形封頭困難。橢圓形封頭因綜合性能較好，被普遍用于中低壓容器。近年來(lái)由于采用旋壓制遣工藝，為制造大直徑橢圓形封頭帶來(lái)了方便。封頭安裝時(shí)需要專(zhuān)業(yè)人員進(jìn)出操作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京火鍋設(shè)備封頭生產(chǎn)廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178593831455/1545798.png"></div><p style="text-indent:25px">封頭根據(jù)實(shí)踐經(jīng)驗(yàn)，應(yīng)力衰減長(zhǎng)度為大于3δ，且不小于100mm但制冷設(shè)備很難達(dá)到這一要求，有其特殊性。拼接封頭的焊接接頭系數(shù)先拼接后成型的封頭，拼接焊縫應(yīng)進(jìn)行射線(xiàn)或超聲波檢測(cè)，合格級(jí)別隨設(shè)備殼體走。封頭廠較后成型的焊縫檢測(cè)級(jí)別、比例與設(shè)備殼體相同，高了浪費(fèi)。舉例：假如設(shè)備殼體是20%檢測(cè)，III合格。那封頭拼接焊縫和較后焊縫也是III合格，焊接接頭系數(shù)為0.85封頭廠假如設(shè)備殼體是檢測(cè)，II合格。那封頭拼接焊縫和較后焊縫也是II合格，焊接接頭系數(shù)為1。封頭能夠增大調(diào)節(jié)閥的輸出效率，減少滯后的情況發(fā)生。無(wú)錫油罐封頭加工廠</p><p style="text-indent:25px">被調(diào)介質(zhì)為粘性流體或含有固體懸浮物時(shí)，用封頭可以克服介質(zhì)對(duì)閥桿移動(dòng)的阻力。南京火鍋設(shè)備封頭生產(chǎn)廠家</p><p style="text-indent:25px">當(dāng)前出產(chǎn)的標(biāo)準(zhǔn)封頭大有些都?xì)w于中小型封頭，因而被運(yùn)用在中小體積容器上的機(jī)會(huì)對(duì)比多，以裝置方法來(lái)說(shuō)，通常的原則是中型或大型封頭運(yùn)用冷裝置，也就是直接經(jīng)過(guò)固化進(jìn)行裝置。但這種方法并不適用在小型封頭上，由于需求重復(fù)拆裝，所以只能改變通常的裝置方法。經(jīng)過(guò)實(shí)習(xí)發(fā)現(xiàn)，螺紋裝置方法才是裝置小型封頭的挑選，但咱們也需求注意的是，這種裝置方法并不能起到比較好的密封效果，常識(shí)拆開(kāi)的時(shí)分對(duì)比便利。要說(shuō)較理想的裝置，那仍是螺紋合作密封膠的方法，不只密封效果好，關(guān)于運(yùn)用的安全性有肯定的保證，一起還能便于操作。組成標(biāo)準(zhǔn)封頭的各個(gè)結(jié)構(gòu)件并沒(méi)有什么疑問(wèn)，但是在進(jìn)行焊接拼裝以后，卻呈現(xiàn)了變形的疑問(wèn)。這其間的原因以及疑問(wèn)的解決方法咱們都要掌握，這是為了能得到符合要求的封頭，并用其表現(xiàn)應(yīng)有的效果。尤其是橢圓封頭，在進(jìn)行電阻焊以后，就呈現(xiàn)超越答應(yīng)變形量的變形，這必然會(huì)對(duì)封頭的運(yùn)用發(fā)生影響。分析后發(fā)現(xiàn)，形成這類(lèi)疑問(wèn)呈現(xiàn)的原因是封頭結(jié)構(gòu)件上不均勻的部分加熱和冷卻，通常離焊縫越近，溫度就會(huì)越高，呈現(xiàn)的脹大也會(huì)越大。南京火鍋設(shè)備封頭生產(chǎn)廠家</p><p style="text-indent:25px">無(wú)錫國(guó)鑫封頭制造有限公司位于玉祁街道曙光工業(yè)園。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下封頭，不銹鋼封頭，碳鋼封頭，鋁封頭深受客戶(hù)的喜愛(ài)。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專(zhuān)業(yè)化的隊(duì)伍，確保為客戶(hù)提供良好的產(chǎn)品及服務(wù)。國(guó)鑫封頭秉承“客戶(hù)為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2192699.html</p></div></div></div></div></div><div id="ji8smd7" class="page-right twoColRt"><div id="q2khz8j" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8wd3mol" 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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