产品介绍
煤矿用聚氯乙烯绝缘和聚氯乙烯护套电话电缆MHYV、MHYVR、MHYVRP
价 格：￥电议
型 号：MHYV、MHYVR、MHYVRP
产品完善度：
生产地：其他访问量：80次
发布日期：2011/11/2 21:22:51
更新日期：2012/1/1 10:47:45
详细内容
煤矿用聚氯乙烯绝缘和聚氯乙烯护套电话电缆
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 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 desc-riptions ａnd use scope
| 型 号 model | 名 称 desc-riptions | 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 |
电缆规格 specifications
| 型 号 model | 规 格 specifications | 导体结构（根数/直径）mm conductor structure（number/diameter） |
| mhyvr mhvvr | 1x2 | 1/0.28镀锡铜线 +6/0.28镀锡钢线 1/0.28 tinned copper wire +6/0.28 tinned steel wire |
| mhvv22 mhvv32 mhyv22 mhyv32 | 2x2-100x2 | 1/0.5; 1/0.8 |
| mhvv mhyv | 1x2-100x2 | 1/0.5; 1/0.8 |
电缆主要技术性能 major technical performances
1、 电缆导体直流电阻及固有衰减
dc resistance of the conductor ａnd intrinsic attenuation
| 型 号 model | +20℃导体直流电阻（≤ω/km） dc resistance of conductor at 20℃ | 固有衰减（800hz）≤db/km intrinsic attenuation |
| mhvvr mhyvr | 260 | 4.63 |
| mhvv22 mhvv32 mhyv22 mhyv32 mhvv mhyv | 95（0.5mm）; 36.7（0.8mm） | 1.32（0.5mm）; 0.95（0.8mm） |
2、电缆其它技术性能 other major technical performances
| 序 号 serial number | 项 目 items | 型 号model:mhvv mhvvr mhvv22 mhvv32 | 型 号model:mhyv mhyvr mhyv22 mhyv32 | |
| 1 | +20℃线芯导体直流电阻（ω/km） line core dc resistance at 20℃ | 见上表 see above table | ||
| 2 | 电缆固有衰减（≤dm/km） cable intrinsic attenuation | 见上表 see above table | ||
| 3 | +20℃绝缘电阻（≥mω·km） insulating resistance at 20℃ | 110 ; 40（mhvvr） | 3000 ; 110（mhyvr） | |
| 4 | 1min工频交流电压试验 lmin power frequency alternating current pressure test | 芯-芯core - core 芯-铠装层core - armoring | 1000v不击穿 1000v no breakdown | 1500v不击穿 1500v no breakdown |
| 5 | 工作电容（≤μf/km） service capacity | 0.12 | 0.06 | |
| 6 | 单根垂直燃烧试验 single wire burning test | mt386 | ||
| 7 | 成束燃烧试验 group burning test | 符合gb/t 18380.3标准中b类成束试验要求 conforms to gb/t18380.3 standard b types group test | ||
