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聚丙烯(MPP)電力電纜保護(hù)管
電力電纜用非開挖改性聚丙烯(MPP)保護(hù)管是以改型聚丙烯為主要原材料。采用特殊配方和加工工藝制造的新型塑料管道。具有強(qiáng)度高、耐溫性能好、穿放電纜容易、施工簡
便、節(jié)省費用等一系列優(yōu)點。改性聚丙烯非開挖廣泛用作電力電纜和通訊電纜的保護(hù)管．作為托管施工更顯產(chǎn)品特性，它符合現(xiàn)代城市的發(fā)展要求，適合埋深在2-18m范圍。應(yīng)用非開挖鋪管技術(shù)具有不污染環(huán)境、不影響交通、對地層結(jié)構(gòu)破壞小。施工安全可靠、周期短、無需運輸和堆放雜土、成本低、社會效益與經(jīng)濟(jì)效益顯著等特點，應(yīng)用領(lǐng)域很寬。改性MPP電力電纜護(hù)套管采用非開挖技術(shù)進(jìn)行施工。既保證了管網(wǎng)的可靠性．降到了管網(wǎng)的故障率。同時也使市容環(huán)境得到大大改善。
電力電纜管又名電纜管、電纜保護(hù)管、水泥電纜管、電力排管、電力電纜保護(hù)管等。
電力電纜管的突出特點是強(qiáng)度高、摩擦阻力小，比普通管強(qiáng)度高40%，管體的抗折荷載≥12000N，外壓荷載≥15000N，，可用于各種級別的道路敷設(shè)使用，內(nèi)壁與電纜的摩擦阻力小是電力電纜管的最突出優(yōu)點，其摩擦系數(shù)<0．35，明顯低于玻璃鋼、PVC等其它類別電纜管。電力電纜管通纜時減少了工井的數(shù)量，降低了工程造價、增加了電纜牽引長度。
電力電纜管優(yōu)勢
電力電纜管消化吸收國內(nèi)先進(jìn)水平，采用電擴(kuò)孔等先進(jìn)工藝，用高品質(zhì)的維綸纖維為基礎(chǔ)材料，融入植物纖維、高強(qiáng)高摩維尼綸等原料，選高號水泥作為主原料，通過抄取卷制而成的高新增強(qiáng)電纜保護(hù)管。 電力電纜管的生產(chǎn)過程基本相同，都是通過無上毛布抄取工藝生產(chǎn)，原材料為
維綸纖維、高標(biāo)號水泥及其它高強(qiáng)高彈模纖維，因此強(qiáng)度都很高。電力電纜管是通過高速拋光機(jī)在管子內(nèi)壁拋出致密光滑面來達(dá)到減小摩擦阻力的目的。而電纜保護(hù)管則是在管子內(nèi)壁涂覆一層石墨乳潤滑膜，當(dāng)電纜穿過時石墨乳潤滑膜受力斷裂而產(chǎn)生滑移面，這些滑移面改變了管內(nèi)壁與電纜之間的摩擦方式，從而達(dá)到了減少摩擦阻力的目的。
電力電纜管產(chǎn)品特點
電力電纜管除具備維綸纖維水泥電纜管的優(yōu)良性能外還具備以下特點：
一、電力電纜管載流量高、熱阻系數(shù)低。
二、電力電纜管使用時，與電纜間的摩擦系數(shù)低，電纜穿過時更方便。
三、電力電纜管加長了井距，減低了工井?dāng)?shù)量，降低了工程成本 。
優(yōu)點特性
具有抗高溫、耐外壓的特點,適用于10KV以上高壓輸電線電纜排管管材。
非開挖工程MPP排管(改性聚丙烯管)廣泛應(yīng)用于城鎮(zhèn)電力電纜、建筑給排水敷設(shè)等領(lǐng)域。
MPP管無需開挖施工,管材熱熔焊接柔性接頭,焊接頭強(qiáng)度高．可超長度高牽引力托管。
韌性好。具有優(yōu)良的抗地層沉降以及抗震性能，常用管材分為普通型和加強(qiáng)型。普通型適用于開挖鋪設(shè)施工和非開挖穿越施工埋深小于4m的工程;加強(qiáng)型使用于非開挖穿越施工埋深大于4m的工程。
具有以上優(yōu)點
具有優(yōu)良的電氣絕緣度。抗拉、抗壓性能比HDPE高
質(zhì)輕、光滑、摩擦阻力小，可熱熔焊接對接。長期使用溫度-5-90℃。
應(yīng)用領(lǐng)域
- 城鄉(xiāng)非開挖水平定向鉆進(jìn)電纜排管工程，及明開挖電纜排管工程
- 城鄉(xiāng)非開挖水平向鉆進(jìn)下水排污管工程
- 工業(yè)廢水排放工程
| 項目 | 技術(shù)指標(biāo) | |
| 密度，kg/m3 | 0.91-0.95 | |
| 滑動摩擦系數(shù) | <0.35 | |
| 維卡耐熱(10N,50℃) | ≥120 | |
| 落錘沖擊試驗(-5℃/8h，20) | >160,10kgx2m | 9/10不破裂 |
| ≤160,6kgx2m | ||
| ≤160,5kg×2m | ||
| 拉伸強(qiáng)度，mpp | 23±2℃ | ≥24.0 |
| 70±2℃ | ≥18 | |
| 熱熔接接頭拉伸強(qiáng)度(23±2℃)，Mpa | ≥21.6 | |
| 扁壓試驗(1/2) | 23士2℃ | 9/10不破裂 |
| -5℃/8h | ||
| 彎曲強(qiáng)度(23主2℃)，Mpa | ≥37.0 | |
| 彎曲彈性模量。Mpa | 900-300 | |
| 環(huán)片熱壓縮力(70℃/2h,5%)，Kn | ≥1.3 | |
關(guān)鍵詞:
電力電纜管
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關(guān)鍵詞：克拉管、中空壁纏繞管、HDPE雙壁波紋管、波紋管、排水管、塑料排水管、雙壁波紋管、纏繞管、電力電纜管、電力管
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關(guān)鍵詞：克拉管、HDPE雙壁波紋管、中空壁纏繞管、塑料排水管、波紋管、排水管、纏繞管、雙壁波紋管、電力電纜管、電力管
