井下通信电缆MHYA32 30*2*0.7
fire-retardant communication cables for coal mines
产品用途:产品用于煤矿井下电话通信干线、配线和用户线路。 scope of application:the product uses in the coal mine mine shaft telephone communication skeleton line, matches the line and the subscriber's loop 执行标准 standards implemented:mt 81814-1999
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型号、名称及使用范围矿用通信电缆
model、deions and use scope
型号 model
| 名 称 deions
| 使 用 范 围 use scope
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mhyv
| 煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆 pe insulated pvc sheathed communication cables for coal mines
| 用于平巷、斜巷及机电硐室 served in level,slanted channels and power house
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mhjyv
| 煤矿用加强型线芯聚乙烯绝缘聚氯乙烯护套通信电缆 reinforced core pe insulated pvc sheathed communication cables for coal mines
| 用于机械损伤较高的平巷和斜巷 served in level and slanted channels where mechanical damage is frequent
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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 pe insulated galvanized steel wire weave armored pvc sheathed communication cables for coal mines
| 用于机械冲击较高的平巷和斜巷 served in level and slanted channels where mechanical damage is frequent
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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 pe insulated al/pe binding layer pvc sheathed communication cables for coal mines
| 用于较潮湿的斜井和平巷 served in level and slanted channels with high humidity
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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 pe insulated al/pe binding layer steel wire armored pvc sheathed communication cables for coal mines
| 用于竖井或斜井 served in shaft and slanted shaft
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使用特性service characteristics矿用通信电缆
电缆长期允许工作温度 long-term service temperature of the cable conductor
| -40℃-+50℃
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电缆敷设温度 cable laying temperature
| ≥-10℃
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+25℃时环境相对湿度 environment relative humidity at 25℃
| ≤95%
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电缆的最小弯曲半径 minimun bending radius
| mhyv及mhjyv型电缆为电缆外径的10倍，其它型号为外径的15倍 10 times of the cable outer diameter of mhjyv, and 15times for the rest
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电缆规格specifications
型 号 model
| 规 格 specifications
| 导体结构(根/直径)mm conductor structure(number/diameter)
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mhyv
| 1x2、2x2、1x4、5x2
| 7/0.28
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mhjyv
| 1x2、2x2
| 4/0.28铜线+3/0.28钢线 4/0.28 copper wire +3/0.28 steel wire
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mhybv
| 5x2、10x2、20x2
| 1/0.8
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mhyav
| 20x2、30x2、50x2
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mhya32
| 30x2、50x2、80x2
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