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河北長(zhǎng)洪管業(yè)供應(yīng)</p><div id="sl37qrn" class="leftbox clearfix"><h1>云南盲板價(jià)格創(chuàng)新服務(wù) 河北長(zhǎng)洪管業(yè)供應(yīng)</h1><div id="mu3fw8a" class="proBig"><div id="pngrx9j" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/10/636963624267467664_jiazong01_4540407.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cklmx4f" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/10/636963624267467664_jiazong01_4540407.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xv3zl5o" 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>河北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>云南盲板價(jià)格</p><p><span>***更新：</span>2020-06-09 03:03:27</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="bz7ea4n" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">河北長(zhǎng)洪管業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>賈世豪</p><p><span>郵箱: </span>2047452166@qq.com</p><p><span>電話: </span>17363075791</p><p><span>傳真: </span>0317_5538516</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0317-5538516</p><p><span>地址: </span>河北省滄州市孟村回族自治縣孟村鎮(zhèn)二街</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="air8abc" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ltulxvg" class="box"><p><div style="text-align:left;"> <p> 盲板法蘭隨著國(guó)內(nèi)外長(zhǎng)輸管道建設(shè)的飛速發(fā)展，管道試壓成為必不可少的一個(gè)重要環(huán)節(jié)，在試壓前后，必須對(duì)每段管線進(jìn)行通球掃線，云南盲板價(jià)格，云南盲板價(jià)格，次數(shù)一般為4～5次。特別在試壓后，管線內(nèi)的存水很難清掃干凈，清掃次數(shù)將更多。盲板法蘭是工藝管道連接的一種管件，按連接方法可以有螺紋式法蘭，焊接法蘭（焊接分平焊及對(duì)焊法蘭）；三通是為方便在管道上連接支管而制作的成品管件，分正三通:主管和支管的直徑相等，變徑三通:主管和支管直徑不等，還有特制斜接三通等，一般低壓的可以現(xiàn)場(chǎng)在管道上開口制作三通，但高壓管道必須用成品特制三通，云南盲板價(jià)格，三通按連接方式可分焊接時(shí)及螺紋式法蘭式等；盲板的在管道的末端封堵用的，有焊接盲板及法蘭蓋。 </p> <br /> </div><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南盲板價(jià)格" src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/10/636963624267467664_jiazong01_4540407.jpg"></div><p style="text-indent:25px">河北長(zhǎng)洪管業(yè)有限公司，，是一家為國(guó)內(nèi)外石油、煉化、化工、冶金、電力、造船、輸氣、管道輸送等行業(yè)提供**產(chǎn)品與服務(wù)的專業(yè)制造商。公司技術(shù)力量雄厚，出產(chǎn)裝備先進(jìn)，檢測(cè)方法完備。公司產(chǎn)品主要包含三大系列100多個(gè)種類：1、彎頭、三通、異徑管、管帽、法蘭、支吊架等高、中、低壓管件及管道配件系列；2、絕緣接頭、絕緣法蘭系列；3、保溫、耐磨、防腐管道系列。 “一張圖”規(guī)劃、“一盤棋”制作、“一體化”展開。其間，霧霾少了，藍(lán)天多了，是民眾看在眼里、喜在心里的改變之一一般法蘭閥的法蘭和閥是一個(gè)全體。假如法蘭運(yùn)用螺紋和閥銜接的，就叫8字盲板閥。下面就是一片8字盲板，適宜的話可以連到上面的螺紋閥門上。304盲板一般用在小口徑、低壓、溫度不太高的場(chǎng)合。不方便拆修；法蘭閥適應(yīng)性廣（guang）泛，便于修補(bǔ)；8字盲板具有安裝、修補(bǔ)方便的特色，可在一些現(xiàn)場(chǎng)不允許焊接的管線上運(yùn)用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南盲板價(jià)格" src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/10/636963624257309269_jiazong01_4986165.jpg"></div><p style="text-indent:25px">目錄簡(jiǎn)介盲板主要是用于將生產(chǎn)介質(zhì)完全隔離，防止由于切斷閥關(guān)閉不嚴(yán)，影響生產(chǎn)，甚至造成事故。盲板應(yīng)設(shè)置在要求隔離的部位，如設(shè)備接管口處、切斷閥前后或兩個(gè)法蘭之間，常推薦使用8字盲板；為打壓、吹掃等一次性使用的部位亦可使用插板（圓形盲板）。生產(chǎn)工藝一般分四種：鍛打、鑄鍛、中板割制、鑄造。其中鍛打產(chǎn)品價(jià)格比較高，中板次之，鑄鍛比較低。而鑄造則是相當(dāng)次的一種工藝。而質(zhì)量是鍛打和中板的好，鑄鍛的要稍差些。注意事項(xiàng) 1、在滿足工藝要求的前提下，盡可能少設(shè)盲板。 2、所設(shè)置的盲板必須注明正常開啟或正常關(guān)閉。 3、盲板所設(shè)置的部位在切斷閥的，上游還是下游，應(yīng)根據(jù)切斷效果，安全和工藝要求來(lái)決定。</p><div style="width:100%;text-align: center;"><img style="max-width: 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