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src="https://tyunfile.71360.com/UploadFile/sccsjjc/637233438797246094/7507105.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kzgiug2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sccsjjc/637233438797246094/7507105.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sr3bykj" 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>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>四川聯(lián)塑pvc電線套管批發(fā),pvc電線套管</p><p><span>***更新：</span>2021-02-03 02:05:41</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="fugd3u9" 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(hào)萬貫五金機(jī)電市場(chǎng)25號(hào)配送大廳14/15/16號(hào)</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="rkmykmt" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="eyfhtqm" class="box"><p><p> 為了保護(hù)電纜，電纜敷設(shè)時(shí)在易受外力損傷的部位要加裝保護(hù)管，四川聯(lián)塑pvc電線套管批發(fā)。通常使用的保護(hù)管有鋼管和硬質(zhì)塑料管。保護(hù)管的內(nèi)徑不應(yīng)小于電纜外徑的。管壁厚度不小7afe4b893e5b19e239于2mm，四川聯(lián)塑pvc電線套管批發(fā)。硬質(zhì)塑料管不能用在溫度過高和過低的場(chǎng)所。通過基礎(chǔ)（包括地面或樓板）的保護(hù)管，內(nèi)徑在32mm及以下時(shí)，用鋼管保護(hù)。電力電纜一般在下列場(chǎng)所加裝保護(hù)管：（1）電纜引入、引出建筑物、隧道、溝道部位；（2）電纜穿過樓板、墻壁、道路的穿越段；（3）引至電桿或沿墻敷設(shè)的電纜離地面2m高的一段和易受機(jī)械損傷的其他部位。施工安裝簡(jiǎn)便，四川聯(lián)塑pvc電線套管批發(fā)，既省事又省力。耐腐蝕性能強(qiáng)、絕緣、非磁性、耐酸、耐堿、阻燃型、抗靜電。四川聯(lián)塑pvc電線套管批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川聯(lián)塑pvc電線套管批發(fā),pvc電線套管" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637233438797246094/7507105.jpg"></div><p> PC電線管和PVC電線管的區(qū)別：1、材質(zhì)不同：PVC管的主要成份為聚百氯乙烯；PC管的主要成分為聚碳酸酯。2、兩種線管用途不同：度PVC管好煨彎，一般使用小口徑管路，用于室外監(jiān)控、報(bào)警等線路的保知護(hù)；PC管不好煨彎，一般用于強(qiáng)弱電管路的預(yù)埋。3、理化性質(zhì)道不同：PVC管的熱穩(wěn)定性和抗沖擊性較差，無論是硬性還是軟質(zhì)PVC使用過程中容易產(chǎn)生脆性；PC管具有突出的抗沖擊能力，耐蠕變和尺回寸穩(wěn)定性好，耐熱。PVC樹脂塑料制品突出優(yōu)點(diǎn)是難燃性、耐磨性、抗化學(xué)腐蝕性、氣體水汽低滲漏性好。此外綜合機(jī)械性能、制品透明性、電絕緣性、隔熱、消聲、消震性也好，是性能價(jià)格比**為優(yōu)越的通用型材料屬。缺點(diǎn)是熱穩(wěn)定性和抗沖擊性較差，無論是硬性還是軟質(zhì)PVC使用過程中容易產(chǎn)生脆性。成都川路pvc電線套管價(jià)格耐腐蝕性能強(qiáng)、絕緣、非磁性、耐酸、耐堿、阻燃型、抗靜電。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川聯(lián)塑pvc電線套管批發(fā),pvc電線套管" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637233438799111328/2065130.jpg"></div><p> 電線護(hù)套管，在電工材料中有玻璃纖維電線套管,PVC護(hù)套管,熱縮套管等，都屬于絕緣套管的一種，一般而言，電線護(hù)套管可分為單一電線護(hù)套管、復(fù)合電線護(hù)套管、電容式電線護(hù)套管、不銹鋼護(hù)套管。單一電線護(hù)套管用非磁性材料以減少發(fā)熱。單一電線護(hù)套管的絕緣結(jié)構(gòu)分為有空氣腔和空氣腔短路兩類?？諝馇惶坠苡糜?0千伏及以下電壓等級(jí)，導(dǎo)體與瓷套之間有空氣腔作為輔助絕緣，可以減少套管電容，提高套管的電暈電壓和滑閃電壓。當(dāng)電壓等級(jí)較高時(shí)（20～30千伏），空氣腔內(nèi)部將發(fā)生電暈而使上述作用失效，這時(shí)采用空氣腔短路結(jié)構(gòu)。這種瓷套管的瓷套內(nèi)壁涂半導(dǎo)體釉，并用彈簧片與導(dǎo)體接通使空氣腔短路，用以消除內(nèi)部電暈； </p><p> 第三點(diǎn)，管線彎曲時(shí)應(yīng)注意彎曲應(yīng)慢慢進(jìn)行，否則易損壞管子及其彎曲彈簧;彎管彈簧未取出之前，不要用力使變管回復(fù)以防損壞彈簧;彎管彈簧不易取出時(shí)，可一邊逆時(shí)針旋轉(zhuǎn)彈簧，一邊向外拉出彈簧;當(dāng)管子較長(zhǎng)時(shí)，可在彈簧上系上繩子;寒冷天氣施工時(shí)，可將管子彎曲處摩擦適當(dāng)升溫后進(jìn)行。電氣線路的穿管保護(hù)作用在于防止電氣線路的絕緣層不受高溫、潮濕或腐蝕等作用的影響而失去絕緣能力，避免絕緣層陳舊老化或受損致使線芯裸露，同時(shí)PVC電力管可以隔離電線電纜與可燃物接觸，控制火災(zāi)蔓延。規(guī)格從3mm到150mm。超小口徑不銹鋼護(hù)套管主要用于精密光學(xué)尺之傳感線路保護(hù)、工業(yè)傳感器線路保護(hù)；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川聯(lián)塑pvc電線套管批發(fā),pvc電線套管" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637233438800693360/358631.jpg"></div><p> 碳鋼穿線管材質(zhì)為Q235的有縫鋼管生產(chǎn)而成的電線電纜保護(hù)管，通常為R=6D的產(chǎn)品。R大，彎度就緩，而在穿線時(shí)就會(huì)非常容易的穿過去。碳鋼穿線管在和直管相連接時(shí)，是用套管護(hù)住接口處，然后用焊接的方式把管子和穿線管連接起來，其目的就是為了不讓接口處受到電焊?jìng)?，而達(dá)到保護(hù)里面的電線電纜的目的。常用規(guī)格為DN**N150。用于室內(nèi)正常環(huán)境和在高溫、多塵、有震動(dòng)及有火災(zāi)危險(xiǎn)的場(chǎng)所。也可在潮濕的場(chǎng)所使用。不得在特別潮濕，有酸、堿、鹽腐蝕和有危險(xiǎn)的場(chǎng)所使用。使用環(huán)境溫度為-15℃～+40℃。穿線管優(yōu)良的機(jī)械性能。優(yōu)良的抗腐蝕性能，穿線管耐壓強(qiáng)度高、工作壓力超過。穿線管表面光滑、流體阻力小，不結(jié)垢、不宜滋生微生物。熱膨脹系數(shù)小，不收縮變形。傳統(tǒng)的安裝連接方式。穿線管環(huán)氧涂塑層更有效的解決了輸水、埋地和酸、堿、鹽對(duì)金屬管道的腐蝕，使用年限可達(dá)50年以上。復(fù)合電線護(hù)套管以油或氣體作絕緣介質(zhì)，一般制成變壓器套管或斷路器套管，常用于35千伏以下的電壓等級(jí)。成都川路pvc電線套管價(jià)格</p><p style="text-indent:25px">空氣腔內(nèi)部將發(fā)生電暈而使上述作用失效，這時(shí)采用空氣腔短路結(jié)構(gòu)。四川聯(lián)塑pvc電線套管批發(fā)</p><p> 5、方便施工如果直接鋪設(shè)電線，不利于工人把握電路的走向，施工時(shí)，也很難保證電線橫平豎直的排列，更無法做到相應(yīng)的強(qiáng)弱電距離間隔等規(guī)范。二、電線管特點(diǎn)1、電線套管具有良好的耐腐蝕，使用壽命長(zhǎng)，可在潮濕鹽堿地帶使用。2、阻燃、耐熱性好，可在130度高溫下長(zhǎng)期使用而不變形，遇火不燃燒。3、強(qiáng)度高、剛度高。用在行車道下直埋無需加混凝土保護(hù)層，能輥快電纜工程建設(shè)進(jìn)度。4、電線套管無論是管材還是管件都具有一定柔性，能抵御外界重壓和基礎(chǔ)沉降所引起的破壞。5、具有良好的抗外界信號(hào)干擾性能。四川聯(lián)塑pvc電線套管批發(fā)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3131718.html</p></div></div></div></div></div><div id="28af3b9" class="page-right twoColRt"><div id="r2brta2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="d8xsub7" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="k3eprdk" class="recomPic 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