煤矿用电话电缆MHYV型号;MA煤安标志认证产品产品用途:本产品适用于固定敷设在矿井作通信干线及分线箱与电话机连接线scope of application:this product is fit for being laid in fixed placed in mines for the connection of communication trunk linesjunction boxtelephones.执行标准 standards implemented: q/3210hl29-2003 型号、名称及使用范围 model desc-riptionsuse scope
型 号model
名 称desc-riptions
使 用 范 围scope of application
mhvvhuvv
煤矿用聚氯乙烯绝缘阻燃聚氯乙烯护套电话电缆pvc insulated fire retardant pvc sheathed telephone cables for use in mines
矿井中一般场合general circumstances in mines
mhvvrhuvvr
煤矿用聚氯乙烯绝缘阻燃聚氯乙烯护套软电话电缆pvc insulated fire retardant pvc sheathed soft telephone cables for use in mines
矿井中分线盒、分线箱与电话机连接的场合where connection between junction boxtelephone is required in mines
mhvv22huvv22
煤矿用聚氯乙烯绝缘钢带铠装阻燃聚氯乙烯护套电话电缆pvc insulated steel tape armored fire retardant pvc sheathed telephone cables for use in mines
矿井中承受一定冲击力和压力的场合where cables are under some impactpressure in the mine
mhvv32huvv32
煤矿用聚氯乙烯绝缘细圆钢丝铠装阻燃聚氯乙烯护套电话电缆pvc insulated fine round steel wire armored fire retardant pvc sheathed telephone cables for use in mines
矿井中垂直敷设或承受较大拉力的场合vertically laid or laid where the cables are under big impactpull force in mines
mhyvhuyv
煤矿用聚乙烯绝缘阻燃聚氯乙烯护套电话电缆pe insulated fire retardant pvc sheathed telephone cables for use in mines
矿井中一般场合general circumstances in mines
mhyvrhuyvr
煤矿用聚乙烯绝缘阻燃聚氯乙烯护套软电话电缆pe insulated fire retardant pvc sheathed soft telephone cables for use in mines
矿井中一般场合general circumstances in mines
mhyv22huyv22
煤矿用聚乙烯绝缘钢带铠装阻燃聚氯乙烯护套电话电缆pe insulated steel tape armored fire retardant pvc sheathed telephone cables for use in mines
矿井中承受一定冲击力和压力的场合where cables are under some impactpressure in the mine
mhyv32huyv32
煤矿用聚乙烯绝缘细圆钢丝铠装阻燃聚氯乙烯护套电话电缆pe insulated fine round steel wire armored fire retardant pvc sheathed telephone cables for use in mines
矿井中垂直敷设或承受较大拉力的场合vertically laid or laid where the cables are under big impactpull force in mines
电缆结构示意图iiiustration of cable structure使用特性 service characteristics
电缆长期允许工作温度long-term service temperature of the cable conductor
-40℃-+50℃
电缆敷设温度cable laying temperature
≥-10℃
+25℃时环境相对湿度environment relative humidity at 25℃
≤95%
电缆的小弯曲半径minimun bending radius
mhvv mhyv mhvvr mhyvr 型电缆为电缆外径的15倍,其它型号为外径的20倍15 times of the cable outer diameter of mhvv mhyv mhvvr mhyvr,20times for the rest