公司名称:天津市电缆总厂第一分厂
所在区域:河北省.廊坊市
销售总经理:毕灵通 电话:
销售热线:;5962618;
公司传真:(自动)
号 名 称 使 用 范 围 MHYV 煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆 用于平巷、斜巷及机电硐室 MHJYV 煤矿用加强型线芯聚乙烯绝缘聚氯乙烯护套通信电缆 用于机械损伤较高的平巷和斜巷 MHYBV 煤矿用聚乙烯绝缘镀锌钢丝编织铠装聚氯乙烯护套通信电缆 用于机械冲击较高的平巷和斜巷 MHYAV 煤矿用聚乙烯绝缘铝-聚乙烯粘护层聚氯乙烯护套通信电缆 用于较潮湿的斜井和平巷 MHYA32 煤矿用聚乙烯绝缘铝-聚乙烯粘结护层钢丝铠装聚氯乙烯护套通信电缆 用于竖井或斜井
Model
De scriptions
Use scope
PE insulated PVC sheathed communication cables for coal mines
Served in level,slanted channelspower house
Reinforced core PE insulated PVC sheathed communication cables for coal mines
Served in levelslanted channels where mechanical damage is frequent
PE insulated galvanized steel wire weave armored PVC sheathed communication cables for coal mines
Served in levelslanted channels where mechanical damage is frequent
PE insulated Al/PE binding layer PVC sheathed communication cables for coal mines
Served in levelslanted channels with high humidity
PE insulated Al/PE binding layer steel wire armored PVC sheathed communication cables for coal mines
Served in shaftslanted shaft
矿用通信电缆型号:MHYV MHYAV
MHYV 1×2 2×2 1×4 5×2 ×7/0.28矿用通信电缆用于平巷斜巷及机电硐室
MHJYV 4/0.28铜线+3/0.28钢线 1×2 2×2矿用通信电缆用于机械损伤较高平巷和斜巷
MHYAV 1/0.8 20×2 30×2 50×2 ×0.8 矿用通信电缆用于较潮湿的斜井和平巷
MHYA32 30×2 50×2 80×2 ×0.8钢丝铠装聚氯乙烯护套矿用通信电缆用于竖井和斜井
主要技术性能及指标
20℃时导体直流电阻 Ω/km 7/0.28 ≤45 7/0.283钢4铜≤73 1/0.8≤36.7
固有衰减(800~1000HZ) dB/km ≤1.1 ≤1.3 ≤0.95
20℃时电缆绝缘线芯绝缘电阻 MΩ.km ≥3000
线对工作电容(800~1000HZ) uF/km ≤0.06
近端串音衰减(800~1000HZ) dB/500m ≥70
电感(800~1000HZ) uH/km ≤800
耐交流工频电压 1.5KV/1min通过
直流电阻差 ≤环阻的2%
矿用通信电缆的使用特性
导体的长期允许工作温度-40~+50℃;
平均最大相对湿度为≤95%(+25℃时)
允许附设与安装的温度应不大于-10℃
最小弯曲半径:MHYV、MHJYV型电缆为电缆外径的10倍,其它型号的电缆为外径的15倍




