型号mhyv mhyv puyv puyvr （1*2 1*3 1*4 1*5 1*6 1*7 1*81*10等多芯.多规格系列芯数可选护套材质阻燃聚氯乙稀材料形状圆线拉伸强度国标电线大外径国标（mm）绝缘厚度国标（mm）产品认证iso9001-2000. mt818-1999
产品用途:产品用于煤矿井下电话通信干线、配线和用户线路。
scope of application:the product uses in the coal mine mine shafttelephone communication skeleton line, matches the line and thesubscriber"s loop
执行标准 standards implemented:mt 81814-1999
型号、名称及使用范围
model、descriptions and use scope
型号
model 名 称
descriptions 使 用 范 围
use scope
mhyv 煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆
pe insulated pvc sheathed communication cables for coal mines用于平巷、斜巷及机电硐室
served in level,slanted channels and power house
mhjyv 煤矿用加强型线芯聚乙烯绝缘聚氯乙烯护套通信电缆
reinforced core pe insulated pvc sheathed communication cables forcoal mines 用于机械损伤较高的平巷和斜巷
served in level and slanted channels where mechanical damage isfrequent
mhybv 煤矿用聚乙烯绝缘镀锌钢丝编织铠装聚氯乙烯护套通信电缆
pe insulated galvanized steel wire weave armored pvc sheathedcommunication cables for coal mines 用于机械冲击较高的平巷和斜巷
served in level and slanted channels where mechanical damage isfrequent
mhyav 煤矿用聚乙烯绝缘铝-聚乙烯粘护层聚氯乙烯护套通信电缆
pe insulated al/pe binding layer pvc sheathed communication cablesfor coal mines 用于较潮湿的斜井和平巷
served in level and slanted channels with high humidity
mhya32 煤矿用聚乙烯绝缘铝-聚乙烯粘结护层钢丝铠装聚氯乙烯护套通信电缆
pe insulated al/pe binding layer steel wire armored pvc sheathedcommunication cables for coal mines 用于竖井或斜井
served in shaft and slanted shaft
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 mhyv及mhjyv型电缆为电缆外径的10倍，其它型号为外径的15倍10 times of the cable outer diameter of mhjyv, and 15times for therest
电缆规格 specifications
型 号
model 规 格
specifications 导体结构(根/直径)mm
conductor structure(number/diameter)
mhyv 1x2、2x2、1x4、5x2 7/0.28
mhjyv 1x2、2x2 4/0.28铜线+3/0.28钢线 4/0.28
copper wire +3/0.28 steel wire
mhybv 5x2、10x2、20x2 1/0.8
mhyav 20x2、30x2、50x2
mhya32 30x2、50x2、80x2
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 intrinsicattenuation
型 号
model 20℃时导体直流电阻
dc resistance of conductor at 20℃
≤ω ( ， /km) 固有衰减(800hz)
intrinsic attenuation
≤( ,db/km)
mhyv 45 1.10
mhjyv 73 1.30
mhybv mhyav mhya32 36.7 0.95