Scope of application:This product is fit for being laid in fixed placed in mines for the connection of communication trunk lines and junction box and telephones.
执行标准 Standards implemented: Q/3210HL29-2003
型号、名称及使用范围 Model descriptions and Use scope
型 号
Model 名 称
Descriptions 使 用 范 围
Scope of application
MHVV(HUVV) 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
MHVVR(HUVVR) 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 box and telephone is required in mines
MHVV22(HUVV22) 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 impact and pressure in the mine
MHVV32(HUVV32) 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 impact and pull force in mines
MHYV(HUYV) 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
MHYVR(HUYVR) 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
MHYV22(HUYV22) 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 impact and pressure in the mine
MHYV32(HUYV32) 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 impact and pull 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%
电缆的最小弯曲半径
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, and 20times for the rest
