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<meta http-equiv="Cache-Control" content="no-transform" /> <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 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class="proBig"><div id="nczbcjl" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421679264_hbhhgs_5999506.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8q7mta2" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421679264_hbhhgs_5999506.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3xrnk3d" 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>上海人孔多少錢(qián),人孔</p><p><span>***更新：</span>2020-07-01 15:19:15</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="smew33u" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">河北海浩高壓法蘭管件集團(tuán)有限公司</a></p><p><span>聯(lián)系人：</span>董學(xué)文</p><p><span>郵箱: </span>1390756017@qq.com</p><p><span>電話: </span>15028729866</p><p><span>傳真: </span>0317_6866720</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0317-6866720</p><p><span>地址: </span>河北省孟村縣辛大路付林路段</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="rbold4b" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="vfc7nkm" class="box"><p><p style="text-indent:25px">人孔應(yīng)有一個(gè)設(shè)在進(jìn)出油管右側(cè)附近，并盡量使人孔正對(duì)罐室密閉門(mén)，以便人員進(jìn)出、維修油罐和通風(fēng)接管用。由于人孔安裝在油罐的相當(dāng)下層體圈上，防滲漏就顯得特別重要。要求兩法蘭結(jié)合面必須保證其平直度，無(wú)飄扭現(xiàn)象。加強(qiáng)板和法蘭應(yīng)盡量在整塊鋼板上切割而不拼接。法蘭和蓋板上加工有密封圈，在施工中要特別注意保護(hù)。密封用3mm厚石棉橡膠墊片，不允許有折裂。安裝人孔蓋板上緊螺栓時(shí)，要成對(duì)角均勻用力，以防孔蓋變形。，上海人孔多少錢(qián)。，上海人孔多少錢(qián)。，上海人孔多少錢(qián)。。。上海人孔多少錢(qián)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海人孔多少錢(qián),人孔" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421679264_hbhhgs_5999506.jpg"></div><p style="text-indent:25px">人孔是指用于人員進(jìn)出設(shè)備以便安裝、檢修和安全檢查的開(kāi)孔結(jié)構(gòu)。主要由短筒節(jié)（或短管）、法蘭和帶把手的人孔蓋組成。從安全檢查考慮，壓力容器要求開(kāi)設(shè)的人孔數(shù)及其相當(dāng)小尺寸見(jiàn)“檢查孔”。人孔材料有碳鋼和不銹鋼。按受壓情況人孔分為常壓和受壓人孔；按形狀人孔分為圓形、橢圓形和矩形人孔，矩形人孔*適用于常壓設(shè)備；按安裝位置人孔分為水平和垂直安裝人孔；人孔蓋固定方式有迥轉(zhuǎn)蓋和吊蓋；人孔開(kāi)后速度有普通式和快開(kāi)式，人孔結(jié)構(gòu)和尺寸一般都已標(biāo)準(zhǔn)化，可參照有關(guān)手冊(cè)選用或設(shè)計(jì)。江西人孔多少錢(qián)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海人孔多少錢(qián),人孔" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421523305_hbhhgs_9897495.jpg"></div><p style="text-indent:25px">地下綜合通信管道人孔的置放要點(diǎn) 地下綜合通信管道人孔設(shè)置既要有多種設(shè)置方式，還要考慮在人行道城建部門(mén)規(guī)劃的有限寬度范圍內(nèi)適當(dāng)位置設(shè)置好人孔，既不能占據(jù)其他管線單位的位置，又要能方便人孔設(shè)置和電光纜引上引下不交叉，這就要詳細(xì)了解合建單位的有關(guān)情況并綜合進(jìn)行分析，要對(duì)場(chǎng)地認(rèn)真進(jìn)行調(diào)查和實(shí)地勘察，然后仔細(xì)設(shè)計(jì)人孔的位置?；驹瓌t是：多管線單位或多電纜類(lèi)業(yè)務(wù)單設(shè)或合設(shè)的人，應(yīng)置于人行道上距離建筑物近的一側(cè)，少管線或少電纜類(lèi)單位單設(shè)或合設(shè)的人孔次之，光纜類(lèi)業(yè)務(wù)單設(shè)或合設(shè)的人孔應(yīng)置于距離人行道道沿或慢車(chē)道近側(cè)。因?yàn)槎喙芸坠芫€單位自身經(jīng)營(yíng)業(yè)務(wù)較多，纜線尤其是大對(duì)數(shù)電纜引出也較多，如果放在中間或距離道沿近側(cè)，勢(shì)必在人孔內(nèi)造成纜線交叉，給盤(pán)放、綁扎、接續(xù)都會(huì)帶來(lái)不便。</p><p style="text-indent:25px">地下綜合通信管道人孔設(shè)置現(xiàn)狀地下綜合通信管道施工交工后，表面上看，主管網(wǎng)**是人孔井蓋有區(qū)別，而人孔內(nèi)管孔組群方式則要參照設(shè)計(jì)圖紙中人孔分布，才可找到各自管線單位的管孔位置。因此在實(shí)際勘設(shè)中，應(yīng)嚴(yán)格按照各管線單位管孔占用斷面圖標(biāo)明本次哪家管線單位占用哪一管孔位置(在布放纜線時(shí)，應(yīng)按圖施工，同時(shí)應(yīng)將光電纜在人孔內(nèi)壁固定牢靠，先布放的光電纜固定在人孔內(nèi)壁相當(dāng)上端，戴上帶牌或涂刷顏色漆，以便和其他管線區(qū)別。盡管這樣，在實(shí)際布纜時(shí)，還常出現(xiàn)放錯(cuò)管孔的情況，給施工維護(hù)帶來(lái)不便"前段時(shí)間就曾出現(xiàn)兩家管線單位因相互放錯(cuò)管位的現(xiàn)象，這便影響了管線單位之間的關(guān)系；此外，還出現(xiàn)人孔井蓋蓋錯(cuò)，造成光纜不夠長(zhǎng)，無(wú)法進(jìn)入機(jī)房或無(wú)法在指定位置引上的現(xiàn)象等。因此，重新審視管道現(xiàn)狀、規(guī)劃未來(lái)管道人孔設(shè)置非常重要。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海人孔多少錢(qián),人孔" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_4597277.jpg"></div><p style="text-indent:25px">人孔是安裝在儲(chǔ)罐頂上的安全應(yīng)急通氣裝置，通常與防火器、機(jī)械呼吸閥配套使用，既能避免因意外原因造成罐內(nèi)急劇超壓或真空時(shí)，損壞儲(chǔ)罐而發(fā)生事故，又有起到安全阻火作用，是保護(hù)儲(chǔ)罐的安全裝置，特別適用于貯存物料以氮?dú)夥忭數(shù)墓绊敵汗?。具有定壓排放、定壓吸入、開(kāi)閉靈活、安全阻火、結(jié)構(gòu)緊湊、密封性能好、安全可靠等優(yōu)點(diǎn)。人孔分為緊急泄壓人孔、防爆阻火呼吸人孔、罐頂人孔、罐壁人孔和帶芯人孔等。人孔一般由304、316L不銹鋼鋼板或者碳鋼制作而成。浙江人孔多少錢(qián)</p><p style="text-indent:25px">上海人孔多少錢(qián)</p><p style="text-indent:25px">互聯(lián)網(wǎng)大潮的沖擊下，五金行業(yè)也投身進(jìn)入“互聯(lián)網(wǎng)+”的探索中。不少銷(xiāo)售企業(yè)嘗試?yán)靡苿?dòng)互聯(lián)網(wǎng)技術(shù)拓展銷(xiāo)售渠道，建立線上、線下的立體化銷(xiāo)售網(wǎng)絡(luò)，并收到了切實(shí)效益。大力發(fā)展具有高科技含量、高附加值的[ "法蘭", "彎頭", "三通", "封頭" ]的生產(chǎn)和銷(xiāo)售。同時(shí)，在努力吸收和轉(zhuǎn)化先進(jìn)技術(shù)的前提下，從各個(gè)環(huán)節(jié)入手，通過(guò)實(shí)施費(fèi)用節(jié)減計(jì)劃、能源結(jié)構(gòu)改造等方式方法，盡可能減少浪費(fèi)，提高管理水平降低單位成本。五金工具市場(chǎng)競(jìng)爭(zhēng)將由以?xún)r(jià)格為主轉(zhuǎn)向到***、高技術(shù)含量的產(chǎn)品上。許多有限責(zé)任公司企業(yè)加大了技術(shù)投入，開(kāi)發(fā)新的具有高技術(shù)含量的產(chǎn)品，將產(chǎn)品的差異化作為企業(yè)發(fā)展的長(zhǎng)久之計(jì)，尋求新的市場(chǎng)需求，建立新的經(jīng)濟(jì)增長(zhǎng)點(diǎn)。加工制造銷(xiāo)售:法蘭、營(yíng)件、防腐保溫耐磨管件、管道支吊架電配件。埠接結(jié)構(gòu)件:銷(xiāo)售:鋼材、鋼管五金配件:經(jīng)營(yíng)本企業(yè)生產(chǎn)產(chǎn)品及技術(shù)的出口業(yè)務(wù)和本企業(yè)所需機(jī)械設(shè)備、零配件。原輔材料及技術(shù)的進(jìn)口業(yè)務(wù)，法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)) 已形成系列化、標(biāo)準(zhǔn)化，品種規(guī)格齊全，產(chǎn)品質(zhì)量穩(wěn)定，部分產(chǎn)品在國(guó)際市場(chǎng)上具有一定的競(jìng)爭(zhēng)力。上海人孔多少錢(qián)</p><p style="text-indent:25px">河北海浩高壓法蘭管件集團(tuán)有限公司創(chuàng)辦于1997-08-27，是一家生產(chǎn)型的公司。經(jīng)過(guò)多年不斷的歷練探索和創(chuàng)新發(fā)展，河北海浩管件集團(tuán)是一家有限責(zé)任公司企業(yè)，一直貫徹“以人為本，服務(wù)于社會(huì)”的經(jīng)營(yíng)理念;“質(zhì)量高速，誠(chéng)守信譽(yù)，持續(xù)發(fā)展”的質(zhì)量方針。以滿(mǎn)足顧客要求為己任；以顧客永遠(yuǎn)滿(mǎn)意為標(biāo)準(zhǔn)；以保持行業(yè)**為目標(biāo)，提供***的[ "法蘭", "彎頭", "三通", "封頭" ]。河北海浩管件集團(tuán)順應(yīng)時(shí)代發(fā)展和市場(chǎng)需求，通過(guò)**技術(shù)，力圖保證高規(guī)格高質(zhì)量的[ "法蘭", "彎頭", "三通", "封頭" ]。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/459408.html</p></div></div></div></div></div><div id="ajldk4z" class="page-right twoColRt"><div id="8khtqpl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fuwd3md" 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" 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