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href="http://www.cdcfah.com/cp/third-wjgj_guanjianbi/">管件</a>?云南人孔企業(yè)電話服務(wù)至上河北海浩高壓法蘭管件供應(yīng)</p><div id="3zxhxbt" class="leftbox clearfix"><h1>云南人孔企業(yè)電話服務(wù)至上河北海浩高壓法蘭管件供應(yīng)</h1><div id="d5brbbv" class="proBig"><div id="5xp7xh3" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_8833877.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="5nnprbv" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_8833877.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dtxx55h" 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>云南人孔企業(yè)電話</p><p><span>***更新：</span>2020-06-05 03:06:03</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="z7z3zr3" 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="pvn5r5d" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hbbbbdl" class="box"><p><p style="text-indent:25px">地下綜合通信管道人孔設(shè)置建議編輯鐵路或馬路交越處，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(kù)、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。一般說來，在直線通信管道中間設(shè)置直通人孔；在直線通信管道上有另一方向分歧通信管道時(shí)，在分歧點(diǎn)上設(shè)置三通人孔；在縱橫兩條通信管道交叉點(diǎn)上設(shè)置四通人孔；在弧形、彎曲管道折點(diǎn)上設(shè)置斜通人孔，斜通人孔有15°、30°，云南人孔企業(yè)電話、45°、60°、75°5種，每種斜通人孔的角度可適用于±7.5°范圍內(nèi)；在電話局出局處應(yīng)設(shè)置局前人孔，由于新建通信樓的出局管道已被電纜通道取代，云南人孔企業(yè)電話，云南人孔企業(yè)電話，不再需要設(shè)置局前人孔，故在人孔類型中沒有局前人孔。沿用通信管道引出通信樓時(shí)，可選用上述適宜的人孔類型做局前人孔。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南人孔企業(yè)電話" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_8833877.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。基本原則是：多管線單位或多電纜類業(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)，少管線或少電纜類單位單設(shè)或合設(shè)的人孔次之，光纜類業(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，給盤放、綁扎、接續(xù)都會(huì)帶來不便。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南人孔企業(yè)電話" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_4597277.jpg"></div><p style="text-indent:25px">筆直吊蓋人孔規(guī)范是安裝在儲(chǔ)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(chǔ)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(chǔ)罐的安全設(shè)備，特別適用于儲(chǔ)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(zhǎng)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(chǔ)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，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，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="云南人孔企業(yè)電話" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421679264_hbhhgs_5999506.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/149133.html</p></div></div></div></div></div><div id="zjjvrp3" class="page-right twoColRt"><div id="pfxbjjr" class="box01 margin10 clearfix"><h3><a 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