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id="u4mi2fp" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/second-_jzjc/">建筑、建材</a>?<a href="http://m.cdcfah.com/cp/third-jzjc_sljc/">塑料建材</a>?四川七孔梅花管批發(fā) 四川創(chuàng)世界建材供應(yīng)</p><div id="33c3lkh" class="leftbox clearfix"><h1>四川七孔梅花管批發(fā) 四川創(chuàng)世界建材供應(yīng)</h1><div id="9xe88jv" class="proBig"><div id="msmbbi3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sccsjjc/637254220032578125/3999321.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="atdu3mt" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sccsjjc/637254220032578125/3999321.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lqf39qc" 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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>四川七孔梅花管批發(fā),梅花管</p><p><span>***更新：</span>2020-11-30 08:08:51</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="akgnevm" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">四川創(chuàng)世界建材有限公司</a></p><p><span>聯(lián)系人：</span>曾經(jīng)理</p><p><span>郵箱: </span>373793897@qq.com</p><p><span>電話: </span>18008052768</p><p><span>傳真: </span>028_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>028-68867225</p><p><span>地址: </span>金府路555號萬貫五金機(jī)電市場25號配送大廳14/15/16號</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="yn3wv2e" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3gspgxj" class="box"><p><p> 七孔梅花管是以pvc粒子為主要資料加上其他配方穿越奇特的模具而構(gòu)成的一種梅花狀的通信管材，又稱梅花管和蜂窩管，此種管材內(nèi)壁滑膩，直接可穿光纜，可節(jié)儉工時，其構(gòu)造在理，應(yīng)用價值高，壽命長，它主要用于移動、鐵通、聯(lián)通、網(wǎng)通、廣電等通信電纜護(hù)套管。七孔梅花管是由乳白色蠟質(zhì)半透亮固體顆粒（低密度聚乙烯）經(jīng)擠出機(jī)加工而。低密度聚乙烯無污染、無味，密度在，在聚乙烯樹脂中，除**密度聚乙烯之外是**輕的門類。與高密度聚乙烯相比，其結(jié)晶度（55%-65%）和軟化點（90-100攝氏度）較低些；有優(yōu)良的柔軟性、延長性、透亮性、耐寒性和加工性；化學(xué)穩(wěn)定性較好，可耐酸、堿和鹽類水溶液；有優(yōu)良的電絕緣效能和透氣性；吸水性低；易燃燒，放出一種石蠟氣息。不足之處力學(xué)輕度低于高密度聚乙烯，透濕性、耐熱性、耐氧化性和日光老化效能差，四川七孔梅花管批發(fā)，在日光或高溫作用下不易老化分解而變色，效能下跌，所以，四川七孔梅花管批發(fā)，低密度聚乙烯使用時要添加抗氧劑和紫外線吸收劑來改進(jìn)其不足之處，四川七孔梅花管批發(fā)。采用蜂窩管埋設(shè)時，若無特殊（軟土）情況，鋪設(shè)管道的溝底不需要做基礎(chǔ)。四川七孔梅花管批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川七孔梅花管批發(fā),梅花管" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637254220032578125/3999321.jpg"></div><p> 在實際施工中，每根管材的長度連起來不一定和人井之間的長度一樣，在這種情況下，根據(jù)實際的人井的長度，距離量好管材的長度，并用鋼鋸鋸斷，一定要鋸平整齊。對接完成之后，伸入人井的一端要求用管塞塞好，防止異物侵入。初次安裝使用時，可在鋪設(shè)較早段〈兩個人井之間的距離時〉先不要回填土。用穿纜器試穿一孔或兩孔，順利穿入后，再往下段鋪設(shè)，這樣會更放心。管子鋪設(shè)好之后，應(yīng)先用細(xì)沙或細(xì)土回填到侵沒管的高度，不可使管子懸空狀態(tài)，然后回填其它泥土，禁止將大石頭，大的干土塊砸向管子。當(dāng)管線經(jīng)過受外力破壞較嚴(yán)重的地段時，在接孔部分用水泥混泥土包覆，以保證其相對安全。四川七孔梅花管批發(fā)具有多個孔位，可預(yù)留管孔，提高通信孔位利用率。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川七孔梅花管批發(fā),梅花管" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637254220073476562/1730599.jpg"></div><p> 梅花管的施工安裝需要注意什么？梅花管的裝配應(yīng)按設(shè)計要求和施工把持盡或許平直，如溝底不平可鋪上一層細(xì)沙。埋管前應(yīng)澄清溝內(nèi)的硬質(zhì)物，禁止管道變形。初步埋管時，應(yīng)將多孔管預(yù)留10-15CM在人井，以便穿纜。應(yīng)將管梗塞住露在人井端的子管。埋管時嚴(yán)禁泥沙異物混入管內(nèi)。在管道的應(yīng)用中，要想讓梅花管的應(yīng)用更加省心，梅花管的裝配是一方面，還有更主要的一方面即使梅花管的質(zhì)量。我們在抉擇梅花管時必須要抉擇質(zhì)量穩(wěn)定的。梅花管應(yīng)用的好壞很大程度取決于裝配的好壞。在初次裝配梅花管時，能夠先鋪設(shè)一段先不要回填土。用穿纜器試穿一孔或兩孔，順當(dāng)穿入后，再往下段鋪設(shè)，這樣會更省心。管子鋪設(shè)好之后，應(yīng)先用細(xì)沙或細(xì)土回填到侵沒管的高度，不可使管子懸空態(tài)勢，然后回填其它泥土，禁止將大石頭，大的干土塊砸向管子。當(dāng)管線穿越受外力敗壞較繁重的地段時，在接孔部分用水泥混泥土包覆，以保證其相對平安。 </p><p> 在五孔梅花管施工過程中有以下幾點必要留神：1、五孔梅花管過橋時要采納鋼管或許管箱防守，將鋼管或管箱穩(wěn)定在樞紐護(hù)欄外側(cè)，所有上、下樞紐護(hù)欄外側(cè)的高程漸變段也采納鋼管防守。2、五孔梅花管放管時，由把持人員每10米間隔托起輕放入管溝與管箱中，不得與地面摩擦，保持管道順直，無扭曲，擰絞等現(xiàn)象。五孔梅花管進(jìn)去管溝內(nèi)應(yīng)進(jìn)行有序的擺放，并盡量將五孔梅花管順直，為禁止雜亂每隔5米用打包帶捆扎。用吊車裝卸時，鋼絲繩可穿在盤架心臟軸孔或鐵架上端起吊；切勿用鋼絲繩套住硅管直接起吊，吊下時要輕放，置于平直地區(qū)。3、當(dāng)日鋪設(shè)的五孔梅花管，應(yīng)該天先鋪10-15厘米的細(xì)沙土回填土，盡量緊縮五孔梅花管裸露，以防措傷及其被盜事件的締造。施工過程中和施工完后，均應(yīng)保證管口密封，以防水、土及其他雜物進(jìn)去五孔梅花管內(nèi)。回填管溝時，應(yīng)先填10-15厘米厚細(xì)沙土，嚴(yán)禁將石塊、磚頭、混凝土大塊直接填入溝內(nèi)。 pvc梅花管可以做到極薄，這樣水泥包封定型沒有任何壓力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川七孔梅花管批發(fā),梅花管" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637254220029736328/3898898.jpg"></div><p> Pvc梅花管主要用pvc資料制成的一種梅花形狀的通信管。這種管的內(nèi)壁滑膩可直接用來穿光纖，奇特節(jié)儉日期，縮小工期。 Pvc梅花管的構(gòu)造在理，應(yīng)用價值很高。平凡都用于通信電纜的防守套。應(yīng)用壽命很長，應(yīng)用應(yīng)埋地應(yīng)用，同時在埋地時要留神防守管道不要被重物或硬物壓迫，禁止管道折斷。 Pvc、梅花管又能夠分為七孔梅花管和三孔梅花管七孔和九孔，能夠合意不同的應(yīng)用要求。當(dāng)前pe梅花管和pvc梅花管都被普遍應(yīng)用，可是我們有的不獲悉顧客在選購不獲悉哪兒一種梅花管更符合自己，下面我們就簡單的舉薦一下pe梅花管和pvc梅花管的差別。產(chǎn)品還占有防水、防潮、抗老化、應(yīng)用壽命長、耐候好等個性。四川七孔梅花管批發(fā)</p><p style="text-indent:25px">梅花管使用壽命在埋深條件下大于30年以上。四川七孔梅花管批發(fā)</p><p> 隨著五孔梅花管的進(jìn)展，它的使用是極端普遍的，而關(guān)于五孔梅花管的施工裝配要求，國度有關(guān)部門有評判的規(guī)定，透徹要求如下：1、五孔梅花管與已有地下管線和收拾物之間的**小凈距應(yīng)符合規(guī)定要求。2、五孔梅花管同溝鋪設(shè)的**小曲率半徑應(yīng)符合規(guī)定要求。3、五孔梅花管在管道埋深大于5m或易塌方的地段鋪設(shè)時，可采納占有必須的強(qiáng)度的套管防守。4、五孔梅花管在沼澤、稻田等易揭示管道漂管狀況的地段鋪設(shè)時，采納原土袋加劇，原土袋下方的土應(yīng)填實；在有疏浚、拓寬計劃或挖泥或許的溝渠、水塘等地段，宜在五孔梅花管上方遮蓋水泥蓋板。在巖石、礫石段，五孔梅花管同溝鋪設(shè)在管溝底部時，應(yīng)保證五孔梅花管下方的細(xì)土或沙不小于；五孔梅花管同溝鋪設(shè)在與管頂平齊位置時，應(yīng)保證五孔梅花管上方細(xì)土或沙不小于。四川七孔梅花管批發(fā)</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2206857.html</p></div></div></div></div></div><div id="hw7bvbd" class="page-right twoColRt"><div id="2v3qhy8" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fe47ws8" class="recomPic likePro"><a 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