Mine monitoring cable - mining monitoring cable price - mining monitoring cable manufacturer

July 20, 2023

:;5962822
Total: Billing
:(automatic)

Mining communication cable: MHYV MHYAV MHYA32 Product standard: MT818.14-1999 Mining communication cable: MHYV (1×2 2×2 1×4 5×2) ×7/0.28 Polyethylene insulated PVC protection for coal mine Set of mine communication cable for inclined alley and electromechanical chamber MHJYV 4/0.28 copper wire +3/0.28 steel wire 1×2 2×2 reinforcing wire core polyethylene insulated PVC sheathed mining communication cable for coal mine Used for mechanical damage high level roadway and inclined lane mining communication cable Model: MHYAV-20*2*0.8 30*2*0.8 50*2*0.8 Coal insulated polyethylene insulated aluminum polyethylene bonding layer PVC sheathed mine Use communication cable for damp inclined well and flat road MHYA32 (30×2 50×2 80×2)×0.8 for polyethylene insulated aluminum polyethylene bonding layer steel wire armored PVC sheathed mining communication cable Communication cables for coal mines in shafts and inclined shafts................................ MH copper wire Core........................................ Omit the polyethylene Insulation.......................................... Y aluminum-polyethylene paste Knot sheath.................................... A polyethylene inner sheath..... .................... ................Omitted weaving armor.............................. ................ B PVC sheath........................... ............ V thin round steel armor, PVC outer layer......................... .32 Mine Communication Cable Representation Method Mine communication cable is indicated by model and specification. Such as: a) a polyethylene insulated aluminum-polyethylene bonded sheath steel wire armored PVC sheathed mining communication cable with 30 twisted cores: MHYA32 30×2b) with 1 star twist Wire-core polyethylene insulated PVC sheathed mining communication cable for coal mines, expressed as: Main technical performance and index of MHYV 1×4 mining communication cable Conductor DC resistance at 20 °C Ω/km 7/0.28 ≤45 7/ 0.28 (3 steel 4 copper) ≤ 73 1/0.8 ≤ 36.7 Intrinsic attenuation of mining communication cable (800 ~ 1000HZ) dB / km ≤ 1.1 ≤ 1.3 ≤ 0.95 20 ° C cable insulation core insulation resistance MΩ.km ≥ 3000 mining Communication cable pair working capacitor (800～1000HZ) uF/km ≤0.06 Mine communication cable near-end crosstalk attenuation (800～1000HZ)dB/500m ≥70 Mine communication cable inductance (800～1000HZ) uH/km ≤800 Mine communication cable resistance to AC power frequency voltage 1.5KV/1min through mining communication cable DC resistance difference ≤ ring resistance 2% mining communication cable use characteristics Mining communication cable conductor long-term allowable working temperature -40 ~ +50 ° C Mining communication cable average zui large relative humidity is ≤95% (+25 °C) for mining

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