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class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/third-wjgj_guanjianbi/">管件</a>?黑龍江盲板廠 **** 河北長洪管業(yè)供應(yīng)</p><div id="jk9nxol" class="leftbox clearfix"><h1>黑龍江盲板廠 **** 河北長洪管業(yè)供應(yīng)</h1><div id="8gsf3ov" class="proBig"><div id="7k8g3qi" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/10/636963624255746439_jiazong01_9246029.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="c3h4322" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/10/636963624255746439_jiazong01_9246029.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8tk8ctv" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>黑龍江盲板廠</p><p><span>***更新：</span>2020-06-06 06:02:42</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="7nprokr" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">河北長洪管業(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="wyxol8r" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="auj2ebd" class="box"><p><p style="text-indent:25px">盲板的作用及分類盲板從外觀上看，一般分為板式平板盲板、8 字盲板、插板、以及墊環(huán)（插板和墊環(huán)互為盲通）。盲板起隔離、切斷作用，和封頭、管帽、焊接堵頭所起的作用是一樣的。由于其密封性能好，對于需要完全隔離的系統(tǒng)，一般都作為可靠的隔離手段。板式平板盲板就是一個帶柄的實心的圓，用于通常狀況下處于隔離狀態(tài)的系統(tǒng)。而8字盲板，形狀像8字，一端是盲板，另一端是節(jié)流環(huán)，但直徑與管道的管徑相同，并不起節(jié)流作用，黑龍江盲板廠。8字盲板，使用方便，需要隔離時，黑龍江盲板廠，黑龍江盲板廠，使用盲板端，需要正常操作時，使用節(jié)流環(huán)端，同時也可用于填補(bǔ)管路上盲板的安裝間隙。另一個特點(diǎn)就是標(biāo)識明顯，易于辨認(rèn)安裝狀態(tài)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江盲板廠" src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/10/636963624255746439_jiazong01_9246029.jpg"></div><p style="text-indent:25px">8、裝置分期建設(shè)時，有互相聯(lián)系的管道在切斷閥處設(shè)置肓板，以便后續(xù)工程施工。 9、裝置正常生產(chǎn)時，需完全切斷的一些輔助管道，一般也應(yīng)設(shè)置盲板。?[1]? 注意事項 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，安全和工藝要求來決定。國家標(biāo)準(zhǔn) 鋼制管法蘭蓋GB/T 9123-2010 船用盲板鋼法蘭GB/T4450-1995 行業(yè)標(biāo)準(zhǔn) 化工部標(biāo)準(zhǔn) HG20592-2009 HG20615-2009 HG20601-97 機(jī)械部標(biāo)準(zhǔn) JB/T86.1-94 JB/T86.2-94 電力行標(biāo)準(zhǔn) D-GD86-0513 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江盲板廠" src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/10/636963624255746439_jiazong01_3871421.jpg"></div><p style="text-indent:25px">目錄簡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 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，安全和工藝要求來決定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江盲板廠" src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/10/636963624267467664_jiazong01_5424995.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/163121.html</p></div></div></div></div></div><div id="jtldaeq" 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