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tcPro"><section class="home-main container clearfix"><div id="b83x7i2" class="twoCol"><div id="ggsosoa" class="page-proshow clearfix"><p class="current"> 當前位置:<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>?貴州人孔價格創(chuàng)新服務(wù) 河北海浩高壓法蘭管件供應(yīng)</p><div id="bkfcte3" class="leftbox clearfix"><h1>貴州人孔價格創(chuàng)新服務(wù) 河北海浩高壓法蘭管件供應(yīng)</h1><div id="3klsj8l" class="proBig"><div id="wzgstp2" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_4597277.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fdpkm8g" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_4597277.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qe23xcy" 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>貴州人孔價格</p><p><span>***更新：</span>2020-06-20 07:18:49</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="3tqryug" 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: </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="tmagsxt" class="page-proshow02"><p class="title">詳細說明</p><div id="ecxtkb8" class="box"><p><p style="text-indent:25px">由于垂直吊蓋人孔標準廠安裝在油罐的**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，無飄扭現(xiàn)象。加強板和法蘭應(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。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，要成對角均勻用力，垂直吊蓋人孔標準，以防孔蓋變形。防爆阻火呼吸人孔，在防火呼吸閥正常工作情況下，防爆阻火呼吸人孔基本保持密封狀態(tài)，儲罐處于正常壓力。當呼吸閥正常工作滿足不了因意外原因造成儲罐急劇超壓時，呼吸人孔的泄壓蓋自動頂開，進行緊急泄壓，使罐內(nèi)壓力保持正常；當罐內(nèi)壓力急劇減壓或超真空時，貴州人孔價格，吸入閥便開啟急劇吸入大氣，貴州人孔價格，維護罐內(nèi)正常壓力；當吸入大氣帶有火花，貴州人孔價格、火焰時，阻火層起到“器壁效應(yīng)”的作用來阻止火焰的通過，以保護儲罐的安全。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州人孔價格" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_4597277.jpg"></div><p style="text-indent:25px">劃分編輯 1、以通信管塊容量劃分按人孔可容納規(guī)格為寬360mm、高250mm（標準的六孔管孔內(nèi) 不銹鋼人孔不銹鋼人孔徑90mm水泥管塊，簡稱標準塊）的管道斷面管塊或單孔管道管孔內(nèi)徑90mm的數(shù)量，分為大、中、小三類。通信管道所設(shè)置人孔的大小，應(yīng)以通信管道的遠期容量設(shè)置。不應(yīng)只考慮本期建設(shè)通信管道容量。 2、以人孔的通向劃分以人孔的通向劃分可分為直通人孔、三通人孔、四通人孔和斜通人孔，具體詳見下表1。其中，斜通人孔又分為15°、30°、45°、60°、75°共五種。每種斜通人孔的角度，可適用于±7.5°范圍以內(nèi)。 3、以人孔上覆承受負荷能力劃分以人孔上覆承受負荷能力劃分可分為汽-20級和汽-10級兩種</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州人孔價格" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421523305_hbhhgs_9897495.jpg"></div><p style="text-indent:25px">人孔是指用于人員進出設(shè)備以便安裝、檢修和安全檢查的開孔結(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，壓力容器要求開設(shè)的人孔數(shù)及其相當小尺寸見“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；人孔開后速度有普通式和快開式，人孔結(jié)構(gòu)和尺寸一般都已標準化，可參照有關(guān)手冊選用或設(shè)計。 </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/322972.html</p></div></div></div></div></div><div id="tmd3wdu" class="page-right twoColRt"><div id="bz8k2e4" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ckvmdel" class="recomPic likePro"><a 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