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src="https://tyunfile.71360.com/UploadFile/sccsjjc/637233438795546875/5083698.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kewso7b" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sccsjjc/637233438795546875/5083698.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="9yiwhv2" 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>成都多聯(lián)塑膠pvc電線套管批發(fā)廠家,pvc電線套管</p><p><span>***更新：</span>2021-02-02 03:06:17</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="ac9eag7" 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="udvcxt9" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="dblvjmw" class="box"><p><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，成都多聯(lián)塑膠pvc電線套管批發(fā)廠家、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，成都多聯(lián)塑膠pvc電線套管批發(fā)廠家，成都多聯(lián)塑膠pvc電線套管批發(fā)廠家。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。電線套管：?jiǎn)我浑娋€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。成都多聯(lián)塑膠pvc電線套管批發(fā)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都多聯(lián)塑膠pvc電線套管批發(fā)廠家,pvc電線套管" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637233438795546875/5083698.jpg"></div><p> 三、使用范圍不同1、電線套管：?jiǎn)我浑娋€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。2、電工套管：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。電工套管：聚氯乙烯加入阻燃材料做成的一種白色不透明的穿線管，一、執(zhí)行標(biāo)準(zhǔn)：JG/T3050-1998二、產(chǎn)品規(guī)格:分為輕型-205、中型-305、重型-405三種。1、輕型-205外徑￠16mm-￠50mm2、中型-305外徑￠16mm-￠50mm3、重型-305外徑￠16mm-￠50mm（定長(zhǎng)一般為4m，特殊規(guī)格可按客戶定做）；成都多聯(lián)塑膠pvc電線套管批發(fā)廠家電線護(hù)套管，其實(shí)也叫絕緣套管，是一種復(fù)合了絕緣材料的新型的復(fù)合材料管。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都多聯(lián)塑膠pvc電線套管批發(fā)廠家,pvc電線套管" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637233438800693360/358631.jpg"></div><p> PVC電線套管選擇？PVC線槽的品種規(guī)格很多，知從型號(hào)上講有：PVC-20系列、PVC-25系列、PVC-25F系列、PVC-30系列、PVC-40系列、PVC-40Q系列等。每一種型號(hào)的PVC線槽都有各自的特色和缺點(diǎn)。如果真的要比道較好壞就只能從性價(jià)比比較了。pvc－u絕緣阻燃電工套管GY。G=管材；Y=硬質(zhì)套管，內(nèi)其他還有B指半硬質(zhì)，W指波紋容管；3=機(jī)械性能，這里3指中型，其他還有2輕型，4重型，5超重型；15=溫度等級(jí)，一般指管材的低溫或高溫性能，其他還有-5型，-25型等等；25=公稱外徑，常見的有16，20，25，32，40，63。 </p><p> 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。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)。復(fù)合電線護(hù)套管的導(dǎo)體與瓷套間的內(nèi)腔充滿變壓器油，起徑向絕緣作用。當(dāng)電壓超過35千伏時(shí)，在導(dǎo)體上套以絕緣管或包電纜線，以加強(qiáng)絕緣。復(fù)合電線護(hù)套管的導(dǎo)體結(jié)構(gòu)有穿纜式和導(dǎo)桿式兩種。穿纜式利用變壓器的引出電纜直接穿過套管,安裝方便。當(dāng)工作電流大于600安時(shí)，穿纜式結(jié)構(gòu)安裝比較困難，一般采用導(dǎo)桿式結(jié)構(gòu)。 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；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都多聯(lián)塑膠pvc電線套管批發(fā)廠家,pvc電線套管" src="https://tyunfile.71360.com/UploadFile/sccsjjc/637233438797246094/7507105.jpg"></div><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。根據(jù)材質(zhì)性能可分四類：?jiǎn)我浑娋€護(hù)套管、復(fù)合電線護(hù)套管、電容式電線護(hù)套管和不銹鋼護(hù)套管。四川川路塑膠pvc電線套管質(zhì)量</p><p style="text-indent:25px">施工安裝簡(jiǎn)便，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。成都多聯(lián)塑膠pvc電線套管批發(fā)廠家</p><p> 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)。復(fù)合電線護(hù)套管的導(dǎo)體與瓷套間的內(nèi)腔充滿變壓器油，起徑向絕緣作用。當(dāng)電壓超過35千伏時(shí)，在導(dǎo)體上套以絕緣管或包電纜線，以加強(qiáng)絕緣。復(fù)合電線護(hù)套管的導(dǎo)體結(jié)構(gòu)有穿纜式和導(dǎo)桿式兩種。穿纜式利用變壓器的引出電纜直接穿過套管,安裝方便。當(dāng)工作電流大于600安時(shí)，穿纜式結(jié)構(gòu)安裝比較困難，一般采用導(dǎo)桿式結(jié)構(gòu)。電容式電線護(hù)套管由電容心子、瓷套、金屬附件和導(dǎo)體構(gòu)成。成都多聯(lián)塑膠pvc電線套管批發(fā)廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3117735.html</p></div></div></div></div></div><div id="ejfe9r4" class="page-right twoColRt"><div id="ywcy9d8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="igx9z69" 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) 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