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  • 常規以及特種電線電纜定制,國標質量保證,價格合理
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    煤礦用聚(氯)乙烯絕緣和聚氯乙烯護套電纜MHVV

    [當前欄目:耐候阻燃礦用電纜]????? [發布日期:2014-03-03]


    簡要說明:煤礦用聚(氯)乙烯絕緣和聚氯乙烯護套電話電纜
    詳細介紹:

      

    型號、名稱及使用范圍 Model descriptions and Use scope

    型 號
    Model 名 稱
    Descriptions 使 用 范 圍
    Scope of application MHVV(HUVV) 煤礦用聚氯乙烯絕緣阻燃聚氯乙烯護套電話電纜
    PVC insulated fire retardant PVC sheathed telephone cables for use in mines 礦井中一般場合
    General circumstances in mines MHVVR(HUVVR) 煤礦用聚氯乙烯絕緣阻燃聚氯乙烯護套軟電話電纜
    PVC insulated fire retardant PVC sheathed soft telephone cables for use in mines 礦井中分線盒、分線箱與電話機連接的場合
    Where connection between junction box and telephone is required in mines MHVV22(HUVV22) 煤礦用聚氯乙烯絕緣鋼帶鎧裝阻燃聚氯乙烯護套電話電纜
    PVC insulated steel tape armored fire retardant PVC sheathed telephone cables for use in mines 礦井中承受一定沖擊力和壓力的場合
    Where cables are under some impact and pressure in the mine MHVV32(HUVV32) 煤礦用聚氯乙烯絕緣細圓鋼絲鎧裝阻燃聚氯乙烯護套電話電纜
    PVC insulated fine round steel wire armored fire retardant PVC sheathed telephone cables for use in mines 礦井中垂直敷設或承受較大拉力的場合
    Vertically laid or laid where the cables are under big impact and pull force in mines MHYV(HUYV) 煤礦用聚乙烯絕緣阻燃聚氯乙烯護套電話電纜
    PE insulated fire retardant PVC sheathed telephone cables for use in mines 礦井中一般場合
    General circumstances in mines MHYVR(HUYVR) 煤礦用聚乙烯絕緣阻燃聚氯乙烯護套軟電話電纜
    PE insulated fire retardant PVC sheathed soft telephone cables for use in mines 礦井中一般場合
    General circumstances in mines MHYV22(HUYV22) 煤礦用聚乙烯絕緣鋼帶鎧裝阻燃聚氯乙烯護套電話電纜
    PE insulated steel tape armored fire retardant PVC sheathed telephone cables for use in mines 礦井中承受一定沖擊力和壓力的場合
    Where cables are under some impact and pressure in the mine MHYV32(HUYV32) 煤礦用聚乙烯絕緣細圓鋼絲鎧裝阻燃聚氯乙烯護套電話電纜
    PE insulated fine round steel wire armored fire retardant PVC sheathed telephone cables for use in mines 礦井中垂直敷設或承受較大拉力的場合
    Vertically laid or laid where the cables are under big impact and pull force in mines

    電纜結構示意圖

    IIIustration of cable structure

      

    使用特性 Service characteristics

    電纜長期允許工作溫度
    Long-term service temperature of the cable conductor -40℃-+50℃ 電纜敷設溫度
    Cable laying temperature ≥-10℃ +25℃時環境相對濕度
    Environment relative humidity at 25℃ ≤95% 電纜的最小彎曲半徑
    Minimun bending radius MHVV MHYV MHVVR MHYVR 型電纜為電纜外徑的15倍,其它型號為外徑的20倍
    15 times of the cable outer diameter of MHVV MHYV MHVVR MHYVR and 20times for the rest

    電纜規格 Specifications

    型 號
    Model 規 格
    Specifications 導體結構(根數/直徑)mm
    Conductor structure(number/diameter) MHYVR MHVVR 1X2 1/0.28鍍錫銅線 +6/0.28鍍錫鋼線
    1/0.28 tinned copper wire +6/0.28 tinned steel wire MHVV22 MHVV32 MHYV22 MHYV32 2X2-100X2 1/0.5; 1/0.8 MHVV MHYV 1X2-100X2 1/0.5; 1/0.8

    電纜主要技術性能 Major technical performances

    1、 電纜導體直流電阻及固有衰減

    DC resistance of the conductor and Intrinsic attenuation

    型 號
    Model +20℃導體直流電阻(≤Ω/Km)
    DC resistance of conductor at 20℃ 固有衰減(800Hz)≤db/Km
    Intrinsic attenuation MHVVR MHYVR 260 4.63 MHVV22 MHVV32 MHYV22 MHYV32 MHVV MHYV 95(0.5mm); 36.7(0.8mm) 1.32(0.5mm); 0.95(0.8mm)

    2、電纜其它技術性能 Other major technical performances

    序 號
    Serial number 項 目
    Items 型 號Model:MHVV MHVVR MHVV22 MHVV32 型 號Model:MHYV MHYVR MHYV22 MHYV32 1 +20℃線芯導體直流電阻(Ω/Km)
    Line core DC resistance at 20℃ 見上表 See above table 2 電纜固有衰減(≤dm/Km)
    Cable intrinsic attenuation 見上表 See above table 3 +20℃絕緣電阻(≥MΩ·Km)
    Insulating resistance at 20℃ 110 ; 40(MHVVR) 3000 ; 110(MHYVR) 4 1min工頻交流電壓試驗
    lmin power frequency alternating current pressure test 芯-芯core - core
    芯-鎧裝層core - armoring 1000V不擊穿
    1000V no breakdown 1500V不擊穿
    1500V no breakdown 5 工作電容(≤μF/Km)
    Service capacity 0.12 0.06 6 單根垂直燃燒試驗
    Single wire burning test MT386 7 成束燃燒試驗
    Group burning test 符合GB/T 18380.3標準中B類成束試驗要求
    Conforms to GB/T18380.3 standard B types group test
    文章標簽:MHVV電纜

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