Supply mining shielded communication cables, mining shielded communication cables MHYVRP

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Supply mining shielded communication cables, mining shielded communication cables MHYVRP

Information Name:	Supply mining shielded communication cables, mining shielded communication cables MHYVRP
Published:	2012-04-23
Validity:	30
Specifications:
Quantity:	1000.00
Price Description:
Detailed Product Description：	A brief introduction Mining shielded communication cables, mining shielded communication cables MHYVRPMHYV 1 × 2 2 × 2 1 × 4 5 × 2 × 7/0.28 mine communication cable for the drift Inclined electrical and mechanical chamber MHJYV 4/0.28 copper +3 / 0.28 steel wire 1 × 2 2 × 2 for the higher mechanical damage Lane and the Inclined MHYAV 1/0.8 20 × 2 30 × 2 50 × 2 × 0.8 ore mine communication cable communication cable is used to wet inclined peace, Lane Mining shielded communication cables, mining the details of the shielded communication cable MHYVRP Mining shielded communication cables, mining shielded communication cables MHYVRP Shielded mine communication cable model: 15times for, MHYVP; MHYAV MHYV 1 × 2 2 × 2 1 × 4 5 × 2 × 7/0.28 mine communication cable for the drift Inclined electrical and mechanical chamber MHJYV 4/0.28 copper + / 0.28 steel wire 1 × 2 2 × 2 Mine communication cable for higher mechanical damage Lane and Inclined MHYAV 1/0.8 20 × 2 30 × 2 50 × 2 × 0.8 Mine communication cable used in the more humid and slanted MHYA32 30 × 2 50 × 2 80 × 2 × 0.8 steel wire armored PVC sheathed shaft and inclined mine communication cable for The main technical performance indicators Conductor DC resistance Ω, 20 ° C / km 7/0.28 ≤ 73 1/0.8 ≤ 36.7 ≤ 45 7/0.283 steel 4 copper Intrinsic attenuation (800 1000HZ) dB / km ≤ 1.1 ≤ 1.3 ≤ 0.95 20 ° C core insulation of the cable insulation to resistance MΩ.km ≥ 3000 Line capacitor (800 ~ 1000HZ) uF / km ≤ 0.06 Near-end crosstalk attenuation (800 ~ 1000HZ) dB/500m ≥ 70 Inductance (800 1000HZ)-uH / km ≤ 800 AC power frequency resistance voltage 1.5KV/1min by DC resistance difference of 2% of ≤ loop resistance Mining use characteristics of the communication cable The conductor of the long-term allowable working temperature -40 to +50 ° C; The average maximum relative humidity ≤ 95% (+25 ° C) Allow attached and installed the temperature should not exceed -10 ° C The minimum bend radius: MHYV MHJYV cable is 10 times the cable diameter, The first branch of the Tianjin Cable Plant

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Mining shielded communication cables, mining the details of the shielded communication cable MHYVRP