简要说明：(最新产品报价)煤矿用电话电缆MHYV型号;MA煤安标志认证产品(价格) 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

(最新产品报价)煤矿用电话电缆MHYV型号;MA煤安标志认证产品(价格)

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

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

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

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

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 ; 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