Flame-Retardant Mining Communication Cable
1. Product Application
Flame-retardant communication cables for coal mines are suitable for fixed and mobile underground communications.
2. Implementation Standard: MT818.14-2009 "Flame-Retardant Cables for Coal Mines"
3. Usage Characteristics
3.1 The cable's permissible long-term operating temperature is -40°C to +50°C, with a monthly average maximum relative humidity of 95% (at +25°C).
The permissible laying and installation temperature for the cable should not be lower than -10°C.
3.2 Minimum cable bending radius: 10 times the cable's outer diameter for MHYV and MHJYV cables; 15 times the outer diameter for other types.
4. Cable Models and Names
MHYV: Polyethylene insulated, PVC sheathed communications cable for coal mines
MHYVR: Polyethylene insulated, PVC sheathed flexible communications cable for coal mines
MHYVP: Polyethylene insulated, braided shielded, PVC sheathed communications cable for coal mines
MHYVRP: Polyethylene insulated, braided shielded, PVC sheathed flexible communications cable for coal mines
MHYBV: Polyethylene insulated, galvanized steel wire braided armored, PVC sheathed communications cable for coal mines
MHY32: Polyethylene insulated, steel wire armored, PVC sheathed communications cable for coal mines
