煤矿用阻燃通信电缆(一)Mining Flame Retardant Communication Cable(1)
一、执行标准
MT81814-1999
Executive Standard
MT818.14-1999
电线电缆型号规格见表1)Models and specification ofcables and wires(see table 1)
表1 table 1
型号Model | 导体结构(根数/ 单丝直径) Conductor structure(No.of cores/diameter or single core) | 对数 No.of pairs | 名称 Desc riptions | 适用范围 Scope of appl ication |
| MHYV | 7/0.28 | 1x2 2x2 1x4 5x2 | 煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆PE insulated PVC sheathedcommunication cables for coal mines | 用于平巷斜巷及机电酮室 Served in level，slanted channelsａnd powrer house |
| MHJYV | 4/0.28铜线 +3/0.28钢线 4/0.28 copper wire +3/028 steel wire | 1x2 2x2 | 煤矿用加强线芯聚乙烯绝缘聚氯乙娣护套通信电缆Reinforced core PE insulated PVC sheathedcommunication cables for coalmines | 用于机械损伤较高平巷和斜巷 Served in level and slanted channelswhere mechanical damage isfrequent |
| MHYBV | 1/0.8 | 5x2 10x2 20x2 | 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 weavearmored 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 channelswhere mechanical damage isfrequent |
| MHYAV | 1/0.8 | 20x2 30x2 50x2 | 煤矿用聚乙烯绝缘铝聚乙烯粘结层聚氯乙烯护套通信电缆 PEinsulated A/PE binding layer PVCsheathed communication cablesfor coal mines | 用于较潮湿的斜井和平巷 Served in level and slanted channelswith high humidity |
| MHYA32 | 1/0.8 | 30x2 50x2 80x2 | 煤矿用聚乙烯绝缘铝聚乙烤粘结层钢丝铠装聚氯乙烯护套通信电缆 PE insulated AI/PE binding layer steel wi rearmored PVC sheathedcommunication cables for coal mines | 用于竖井和斜井 Served in shaft and slanted shaft |
煤矿用阻燃通信电缆 Fire retardantcommunication cables for coal mines...........................................MH
铜质线芯 Copper core...........................................................................................................................省略omitted
聚乙烯绝缘 PEinsulation.............................................................................................................................................Y
铝-聚乙烯粘结护层AI/PE binding layer sheath...................................................................................................A
编织铠装Weavedarmor...............................................................................................................................................B
聚氯乙烯护套 PVCsheath...........................................................................................................................................V
细圆钢丝铠装、聚氯乙烯外被层Fine roundsteelwire armorandPVC outersheath.................................32
钢铜加强线芯Steelstrengthen copper wire core................................................................................................J
三、产品表示方法Expression
产品用型号、规格表示。
如:1.具有30个对绞线芯的煤矿用聚乙烯绝缘铝一聚乙烯粘结护层钢丝铠装聚氯乙烯护套通信电缆，表示为:MHYA32 30x2
Models and specifications are expressed as the following:
1、PEinsulated Al/PE biding laver inner protected steel wirearmored PVC sheathed communication cable with 30twisted cores for coal mines is expressed as MHYA32 30x2
2、具有1个星绞线芯的煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆，表示为:MHYV 1x4
2、PEinsulated PVC sheathed communication cable for coal mines with one twisted core is expressed as MHYV 1x4
四、产品结构简图 Illustration of product structure
五、产品结构尺寸及参数(见表3)Productstructure,size and parameters(see table3)
型号Model | 规格(对数x芯数) Specifications (Pair No.xCore No.) | 导体结构根数 /单线标称直径 Conductor structure Core number/diameter of single core | 绝缘标称厚度(mm) Nominal thickness of insulation | 参考外径(mm) Refe rence outer diameter |
| MHYV | 1x2 | 7/0.28 | 0.45 | ≤7.1 |
| 2x2 | 7/0.28 | 0.45 | ≤8.6 | |
| 1x4 | 7/0.28 | 0.45 | ≤8.0 | |
| 5x2 | 7/0.28 | 0.45 | ≤11.5 | |
| MHJYV | 1x2 | 4/0.28铜线+3/0.28钢线4/0.28 copper wire+3/0.28 steel wire | 0.45 | ≤7.1 |
| 2x2 | 4/0.28铜线+3/0.28钢线4/0.28 copper wire+3/0.28 steel wire | 0.45 | ≤8.6 | |
| MHYBV | 5x2 | 1/0.8 | 0.35 | ≤15.6 |
| 10x2 | 1/0.8 | 0.35 | ≤18.4 | |
| 20x2 | 1/0.8 | 0.35 | ≤23.4 | |
| MHYAV | 20x2 | 1/0.8 | 0.35 | ≤23.4 |
| 30x2 | 1/0.8 | 0.35 | ≤27.4 | |
| 50x2 | 1/0.8 | 0.35 | ≤32.6 | |
| MHYA32 | 30x2 | 1/0.8 | 0.35 | ≤32.6 |
| 50x2 | 1/0.8 | 0.35 | ≤37.3 | |
| 80x2 | 1/0.8 | 0.35 | ≤43.0 |
六、主要技术性能及指标 Majortechnicalperformances and parameters
七、电缆的使用特性Service characteristics
1、电缆导体的长期允许工作温度-40~+50℃:
1，Long-term service temperature of the cable conductor:-40~+50℃
2、月平均**相对湿度为≤95%(+25℃时);
2、Maximum average relative humiditys95%(at+25℃)
3、电缆允许附设与安装的温度应不大于-10℃;
3、Temperature for laying and installing cables shall not be higher than- 10℃
4、电缆最小弯曲半径:MHYV、MHJYV型电缆为电缆外径的10倍，其它型号的电缆为外径的15倍
4、Minimum bending radius: 10 times of the cable outer diameter forMHJYV:ａnd 15 times for the rest
