煤矿用特种通信电缆 Mining Communication Cable for Special Purposes
一、执行标准
MT818.14-1999、Q/YZJX006-2014及Q/YZJX008-2016
Execution standard
MT818.14-1999,Q/YZJX006-2014ａnd Q/YZJX008-2016
二、电缆型号和名称及用途见下表 Cable types and USES ofthe name and see the table below
表1 table 1
表2 table 2
三、主要性能指标Main performanceindicators
表3 table3
1.电缆导体结构及直流电阻应符合表3的要求
2.耐交流电压应经受1min、1.5kV交流电压试验不击穿:
3.20C时绝缘电阻5000MQ.km
4.电缆阻燃性通过MT/T386-2011试验。
1.The cable conductor structure and dc resistance should conformto the requirements of table 3;
2.Ac voltage resistance should be subjected to 1 min, 1.5 kV ac
voltage testnot breakdown:
3.The insulation resistance when 20C 5000 MQ.km4.The flame retardant cable by MT/T386-2011 test.
四、命名代号 Namecode
煤矿用通信电缆 Coalmining in communication cable'...............................................................................MH
质线态 Copper wre Core maaaa.............................................................................................................省略omit
聚飞烯绝缘Polvethyleneinsulation........................................................................................................................Y
87医护套PVCSheathedumauumouamaurmmauanmmauanuumaa.........................................................V
编织屏蔽 Braided shielding.....................................................................................................................................P
细圆钢丝铠装、聚气乙烯外护套Fineroundsteel wirearmouredａnd PVCsheathedoutside................32
五、产品结构示意图 Product structure diagram
六、电缆的安装与敷设
1.电缆长期允许工作温度为-40~+50℃，月平均相;
对**湿度为95%(+25℃时);
2.电缆允许敷设与安装的温度应不低于-10%℃;
3.电缆最小弯曲半径:无铠装的电缆为电缆外径的10倍，有铠装的电缆为电缆外径的15倍。
Theinstallation ofthe cable laying
Long-term allowed working temperature of cable - 40-+50℃，thebiggest monthly average relative humidity of 95%(+ 25℃):
2. The cable and installation of the allowed temperature should be notless than 10℃；
3.The minimum bending radius: no armoured cable to 10 times thecable diameter armored cable for 15 times of cable diameter.
