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|
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,20times for the rest |
|
型 号model |
规 格specifications |
导体结构（根数/直径）mm conductor structurenumber/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 |
|
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）; 36.70.8mm |
1.320.5mm; 0.950.8mm |
|
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 ; 40mhvvr | 3000 ; 110mhyvr | |
|
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 | ||
公司名称：天津市电缆总厂第一分厂
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