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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="2lx827d" 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="e3l3ie2" 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>江蘇人孔企業(yè)哪家好</p><p><span>***更新：</span>2020-06-05 15:06:22</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="oi8skry" 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="ux88ikr" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qaxegnj" class="box"><p><p style="text-indent:25px">筆直吊蓋人孔規(guī)范是安裝在儲罐頂上的安全應(yīng)急通氣設(shè)備，一般與機(jī)械呼吸閥配套使用，既能防止因意外原因造成罐內(nèi)急劇超壓或真空時(shí)，損壞儲罐而發(fā)生事端，又有起到安全阻火效果，DN600筆直吊蓋人孔，是保護(hù)儲罐的安全設(shè)備，特別適用于儲存物料以氮?dú)夥忭數(shù)墓绊敵汗?。具有定壓排放、定壓吸入、開閉靈敏、安全阻火、密封性能好、安全可靠等長處。筆直吊蓋人孔規(guī)范也是**一般的人孔。呼吸人孔分別安裝在石油,化工等物料儲罐頂上的安全應(yīng)急通風(fēng)裝置。防爆阻火呼吸人孔它以全天候密封結(jié)構(gòu)替代刀口平面密封結(jié)構(gòu)，顯（xian）著（zhu）地提高了密封程度，并以調(diào)節(jié)吸入閥瓣配重替代彈簧調(diào)節(jié)來控制吸入閥瓣的關(guān)閉，有效地提高了吸入閥瓣開閉的靈活性和可靠性，江蘇人孔企業(yè)哪家好，江蘇人孔企業(yè)哪家好，從而達(dá)到了吸入壓力的控制．它與常用的泄壓吸入人孔比較，具有定壓熱排放，定壓吸入，江蘇人孔企業(yè)哪家好，結(jié)構(gòu)合理，密封性能好，安全可靠等優(yōu)點(diǎn)。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇人孔企業(yè)哪家好" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421679264_hbhhgs_5999506.jpg"></div><p style="text-indent:25px">垂直吊蓋人孔標(biāo)準(zhǔn)應(yīng)有一個(gè)設(shè)在進(jìn)出油管右側(cè)附近，并盡量使人孔廠正對罐室密閉門，以便人員進(jìn)出、維修油罐和通風(fēng)接管用。非金屬油罐的人孔設(shè)在罐頂上，金屬油罐的人孔設(shè)在罐壁下圈板上。大都為直徑600mm的圓孔，其中心距底板750mm，為油罐清洗或維修人員進(jìn)出油罐用，又稱作道門。檢修清理油罐時(shí)刻利用人孔進(jìn)行采光和通風(fēng)。立式油罐的容量在5000m3以下時(shí)設(shè)1~2個(gè)人孔，5000m3以上的設(shè)2個(gè)人孔。人孔的安裝應(yīng)與進(jìn)出油管線相隔不大于90°。當(dāng)只設(shè)一個(gè)人孔時(shí)，應(yīng)將其置于罐頂透光孔的對面；當(dāng)設(shè)2個(gè)人孔時(shí)，其中一個(gè)設(shè)在透光孔的對面，另一個(gè)應(yīng)至少與第1個(gè)人孔相隔90°。鐵路或馬路交越處，管道兩端要設(shè)置人孔；在管道分支、轉(zhuǎn)彎和引入處要設(shè)置人孔；在有加感箱的地點(diǎn)要設(shè)置人孔。人孔宜設(shè)在馬路坡度轉(zhuǎn)折處、街道中心花園間的橫道旁、街道轉(zhuǎn)折處、人行道上、房基線凹入的地方和接近引上桿或通信線路引入點(diǎn)。人孔不宜設(shè)在重要建筑物的門口（例如汽車庫、消防隊(duì)等）、交通要道、不牢固的建筑物附近、緊靠消火栓或水井處、屯放器材地點(diǎn)，以及有其他地下管線經(jīng)過的地方。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇人孔企業(yè)哪家好" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_4597277.jpg"></div><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，并盡量使人孔正對罐室密閉門，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)，要成對角均勻用力，以防孔蓋變形。。。。。。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇人孔企業(yè)哪家好" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_8833877.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/158127.html</p></div></div></div></div></div><div id="shj7e28" class="page-right twoColRt"><div id="3dpmypw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lamj87a" 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)" 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