HYA MHYA32 30 × 2 cable details: the first branch of the Tianjin Cable Plant Production BBDO brand mine communication cable, mining cable signal, control cables, mining control cables, mining blasting cable, shielding the flame-retardant communication cables. Complete a variety of cable certification authority. Mine communication cable mine monitoring cable mine communication cable model: the MHYV MHYAV MHYA32 MHJYV MHYV 1 × 2 2 × 2 × 4 5 × 2 × 7/0.28 mine communication cable for Lane Inclined electrical and mechanical chamber MHJYV +3 / 0.28 steel wire 1 × 2 2 × 2 4/0.28 copper mine communication cable for higher mechanical damage Lane and the Inclined MHYAV 1/0.8 20 × 2 30 × 2 50 × 2 × 0.8 Mine communication cable for wet and slanted MHYA32 30 × 2 50 × 2 80 × 2 × 0.8 steel wire armored, PVC sheathed mine shaft and inclined mine communication cable for the communication cable technology performance and indicators 20 ℃ DC resistance of conductor Ω, / km 7/0.28 ≤ 45 7/0.283 steel 4 Cu ≤ 73 1/0.8 ≤ 36.7 inherent attenuation core insulation resistance of cable insulation (800 ~ 1000HZ) dB / km ≤ 1.1 ≤ 1.3 ≤ 0.95 20 ° C ≥ 3000 line MΩ.km capacitor (800 ~ 1000HZ) uF / km ≤ 0.06 near-end crosstalk attenuation (800 ~ 1000HZ) dB/500m ≥ 70 inductance (800 ~ 1000HZ)-uH / km ≤ 800 resistance to exchange work frequency voltage difference of ≤ 2% loop resistance for mining use characteristics of the communication cable conductors 1.5KV/1min long-term DC resistance allows the operating temperature -40 to +50 ° C; average maximum relative humidity ≤ 95% (+25 ° C) to allow attached The installation temperature should not be greater than -10 ℃ minimum bend radius: MHYV, MHJYV cable is 10 times the cable diameter, other types of cable outer diameter of 15 times. The special structure according to customer requirements