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  • 產品名稱:煤礦用阻燃通信電纜MHYV
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  • 添加時間:2015-04-06 15:43:14
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型號、名稱及使用范圍
Model、Descriptions and Use scope
型號
Model 名 稱
Descriptions 使 用 范 圍
Use scope MHYV 煤礦用聚乙烯絕緣聚氯乙烯護套通信電纜
PE insulated PVC sheathed communication cables for coal mines 用于平巷、斜巷及機電硐室
Served in levelslanted channels and power house MHJYV 煤礦用加強型線芯聚乙烯絕緣聚氯乙烯護套通信電纜
Reinforced core PE insulated PVC sheathed communication cables for coal mines 用于機械損傷較高的平巷和斜巷
Served in level and slanted channels where mechanical damage is frequent MHYBV 煤礦用聚乙烯絕緣鍍鋅鋼絲編織鎧裝聚氯乙烯護套通信電纜
PE insulated galvanized steel wire weave armored PVC sheathed communication cables for coal mines 用于機械沖擊較高的平巷和斜巷
Served in level and slanted channels where mechanical damage is frequent MHYAV 煤礦用聚乙烯絕緣鋁-聚乙烯粘護層聚氯乙烯護套通信電纜
PE insulated Al/PE binding layer PVC sheathed communication cables for coal mines 用于較潮濕的斜井和平巷
Served in level and slanted channels with high humidity MHYA32 煤礦用聚乙烯絕緣鋁-聚乙烯粘結護層鋼絲鎧裝聚氯乙烯護套通信電纜
PE insulated Al/PE binding layer steel wire armored PVC sheathed communication cables for coal mines 用于豎井或斜井
Served in shaft and slanted shaft
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 MHYV及MHJYV型電纜為電纜外徑的10倍,其它型號為外徑的15倍 10 times of the cable outer diameter of MHJYV and 15times for the rest
電纜規格 Specifications
型 號
Model 規 格
Specifications 導體結構(根/直徑)mm
Conductor structure(number/diameter) MHYV 1x2、2x2、1x4、5x2 7/0.28 MHJYV 1x2、2x2 4/0.28銅線+3/0.28鋼線 4/0.28
copper wire +3/0.28 steel wire MHYBV 5x2、10x2、20x2 1/0.8 MHYAV 20x2、30x2、50x2 MHYA32 30x2、50x2、80x2
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℃時導體直流電阻
DC resistance of conductor at 20℃
≤Ω ( , /km) 固有衰減(800Hz)
Intrinsic attenuation
≤( dB/km) MHYV 45 1.10 MHJYV 73 1.30 MHYBV MHYAV MHYA32 36.7 0.95
2、電纜其它主要技術性能 Other major technical performances
( MHYV、MHJYV、MHYBV MHYAV、MHYA32)
序 號
Serial number 項目
Items 技術性能
Technical performances 1 +20℃線芯直流電阻(≤Ω/Km)
Line core DC resistance at 20℃ 見上表 See above table 2 電纜固有衰減(≤dB/Km)
Cable intrinsic attenuation 見上表 See above table 3 +20℃絕緣電阻(≥MΩ Km) Insulating resistance at 20℃ 3000 4 lmin工頻交流電壓試驗
lmin power frequency alternating current pressure test 1500V不擊穿(50Hz)
1500V Does not penetrate 5 遠端串音衰減(≥dB/500)
Far-end crosstalk attenuation 70(800Hz) 6 電感(≤μH/Km)
Inductance 800(800Hz) 7 電纜工作電容(≤μF/Km)
Cable service capacity 0.06(800Hz) 8 工作對直流電阻差(≤%環阻)
DC resistance difference 2 9 單根垂直燃燒試驗
Combustion for single cable test MT386 10 成束燃燒試驗
Combustion for bunched cable test 符合GB/T18380標準中B類成束燃燒試驗要求
Conforms to GB/T18380 standard B kind becomes ties the burning test
電纜結構示意圖
IIIustration of cable structure

煤礦用阻燃通信電纜MHYV

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