1 product use
Flame retardant communication cable for coal mine is suitable for fixed and mobile underground communication.
2 the implementation of standards; MT818.14 2009 "coal mine used flame retardant cable.
3 use characteristics
3.1 cable long term allowable working temperature -40 C ~ +50 C, the average monthly maximum relative humidity of 95% (+25 C);
Cable installation and installation of the temperature should not be less than -10;
3.2 the minimum bending radius of the cable: MHYV, MHJYV type cable is 10 times of the outer diameter of the cable; the other model is 15 times of the outer diameter.
4 cable type and name
Main scope of use
Polyethylene insulated polyvinyl chloride sheathed communication cable for coal mine
Used in the field for ordinary signal transmission, suitable for fixed installation
Polyethylene insulated polyvinyl chloride sheathed communication soft cable for coal mine
Used for general signal transmission in the mine field.
PE insulated and shielded PVC sheathed communication cable for coal mine
Used for signal transmission in a large field, which is suitable for fixed installation.
PE insulated and sheathed communication soft cable for coal mine
Used for signal transmission in a large field, the cable is soft.
PE insulated galvanized steel wire braid armoured PVC sheathed communication cables for coal mine
High field cooperative main signal transmission for mechanical shock
Polythene insulated steel wire armoured PVC sheathed communication cables for coal mine
For them, as the signal transmission shaft or shaft
5. Cable specification and scope
Nominal section mm2
Number of cores
6 Schematic diagram of typical product structure