煤矿用聚(氯)乙烯绝缘和聚氯乙烯护套电话电缆
型号、名称及使用范围 model desc-riptionsuse scope
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型 号model
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名 称desc-riptions
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使 用 范 围scope of application
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| 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 boxtelephone 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 impactpressure 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 impactpull 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 impactpressure 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 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 |
电缆规格 specifications
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型 号model
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规 格specifications
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导体结构(根数/直径)mm conductor structure(number/diameter)
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| 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 conductorintrinsic attenuation
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型 号model
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+20℃导体直流电阻(≤ω/km)dc resistance of conductor at 20℃
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固有衰减(800hz)≤db/km intrinsic attenuation
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mhvvr mhyvr
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260
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4.63
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mhvv22 mhvv32 mhyv22 mhyv32 mhvv mhyv
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95(0.5mm); 36.7(0.8mm)
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1.32(0.5mm); 0.95(0.8mm)
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2、电缆其它技术性能 other major technical performances
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序 号serial number
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项 目items
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型 号model:mhvv mhvvr mhvv22 mhvv32
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型 号model:mhyv mhyvr mhyv22 mhyv32
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1
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+20℃线芯导体直流电阻(ω/km)line core dc resistance at 20℃ | 见上表 see above table | ||
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2
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电缆固有衰减(≤dm/km)cable intrinsic attenuation | 见上表 see above table | ||
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3
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+20℃绝缘电阻(≥mω·km)insulating resistance at 20℃ | 110 ; 40(mhvvr) | 3000 ; 110(mhyvr) | |
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4
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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 |
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5
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工作电容(≤μf/km)service capacity | 0.12 | 0.06 | |
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6
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单根垂直燃烧试验single wire burning test | mt386 | ||
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7
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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 | ||
Name: General the City of Tianjin cable factory is first branch factory
总经理:李先生
General manager: Mr. Li
电话：0316-5961080 手机：15932604020
Tel: 0316-5961080 MP: 15932604020
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Fax: 0316-5962920 Email: tlcable@126.com
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