Communication Cable Mining Communication Cable MHYVP

Communication Cable Mining Communication Cable MHYVP

MHYVR Signal Cable | MHYVR Mining Signal Soft Cable Mining Communication Cable: MHYV MHYAV MHYA32 Product Standard: MT818.14-1999 MHYV (1 × 2 × 2 1 × 4 5 × 2) × 7/0.28 Coal Mine Polyethylene Insulated Polyvinyl Chloride Sheathed Mining Communication Cable Used for Horizontal and Diagonal Alleys and Mechanical and Electrical Caverns MHJKV 4/0.28 Copper Wire+3/0.28 Steel Wire 1 × 2 × 2 Coal Mine Reinforced Core Polyethylene Insulated Polyvinyl Chloride Sheathed Mining Communication Cable Used for Mechanical Damage High Horizontal and Diagonal Alleys MHYAV 1/0.8 (20 × 2 30 × 2 50 × 2) × 0.8 Coal Mine Polyethylene Insulated Aluminum Polyethylene Adhesive Layer Polyvinyl Chloride Sheathed Mining Communication Cable Used for Damp Mines inclined shaft and flat lane MHYA32 (30 × 2, 50 × 2, 80 × 2) × 0.8 coal mine use polyethylene insulation, aluminum polyethylene bonding layer, steel wire armor, polyvinyl chloride sheath, mining communication cable for vertical and inclined shafts, naming code coal mine communication cable MH copper wire core Omit polyethylene insulation ..........................................

MHYV MHYVR MHYVRP PUYV PUYVR PUYVRP MHYBV PUYV31

Mining signal cable products adopt standard: MT818-1999
MHYVR (PUYVR) (1 × 2 1 × 4 2 × 2 5 × 2 7 × 2 10 × 2) polyethylene insulated polyvinyl chloride sheathed coal mine signal cable, used for ordinary signal transmission in mines, and can be moved for use.
MHY32 (PUYV39-1) (1 × 2 1 × 4 2 × 2 5 × 2 7 × 2 10 × 2) polyethylene insulated steel wire armored PVC sheathed coal mine signal cable is used for signal transmission in tunnels, shafts or inclined shafts.
MHYV (PUYV) (1 × 2 1 × 4 2 × 2 5 × 2 7 × 2 10 × 2) polyethylene insulated polyvinyl chloride sheathed coal mine signal cable is used for ordinary signal transmission in mines and is suitable for fixed laying.
MHYVRP 7/0.30、 7/0.37, 7/0.43, 7/0.52 (1-10 pairs, 1 × 4) polyethylene insulated copper wire braided shielding polyvinyl chloride sheathed coal mine signal cables are used for signal transmission in places with high electric field interference. The cables are relatively flexible.
MHYVP (1 × 2 1 × 4 2 × 2 5 × 2 7 × 2 10 × 2) × 7/0.30, 7/0.37, 7/0.43, 7/0.52 polyethylene insulated polyvinyl chloride sheathed signal cables are used for signal transmission in large areas of coal mines and can be used for fixed laying

‍Flame retardant MHYVRP 1 * 4 * 7/0.37 explosion-proof communication cable‍

Main technical performance and indicators:
Direct current resistance of conductor at 20 ℃ Ω/km 7/0.37 ≤ 24.5 7/0.43 ≤ 18.1 7/0.52 ≤ 12.1
Inherent attenuation (800-1000Hz) dB/km ≤ 1.2
At 20 ℃, the insulation resistance of the cable insulation core is M Ω. km ≥ 5000
Line to line working capacitance (800-1000Hz) uF/km ≤ 0.10
Near end crosstalk attenuation (800-1000Hz) dB/500m ≥ 70
Inductance (800-1000Hz) uH/km ≤ 800
Withstand AC power frequency voltage of 1.5KV/1min
DC resistance difference ≤ 2% of loop resistance
Usage characteristics of mining communication cables
The long-term allowable working temperature of the conductor is -40 to+50 ℃;
The average maximum relative humidity is ≤ 95% (at+25 ℃)
The temperature allowed for attachment and installation should not exceed -10 ℃
The maximum bending radius is 10 times the outer diameter of the MHYVR cable, and 15 times the outer diameter for other types of cables.

Flame retardant signal cable for coal mines: MHYVR MHYBV MHYV32 MHYVR MHYVP MHYBV MHYVR32
Flame retardant control cable for coal mines: MKVV MKVV22 MKVV32 MKVVRP
市内通信电缆： HYA22 ZRC-HYA22 ZRC-HYAT22 HYA HYA23 HYA53 HYAT HYAT23 HYAT53 HYAC WDZ-HYA HJVV HPVV PVV PYV
Control cable: KVV KVVP KVV22 KVVP2 KVVP2-22 KVVRP KVVR
Power cable VV VV22 YJV YJV22 Flame retardant and fire-resistant cable NHVV NHYJV NHYJV22

Flame retardant communication cables for coal mines... MH polyethylene insulation... Y copper wire core... Aluminum polyethylene bonding protective layer for coal mines... A polyethylene inner protective layer... Copper wire braided armor for coal mines... B blue flame retardant polyvinyl chloride sheath... V steel wire armor blue flame retardant polyvinyl chloride sheath... 32 copper wire braided shielding... P soft wire core... R complies with: MT818-2009 "Test Methods and Judgment Rules for Flame Retardant Cables for Coal Mines" and Q/TX 002-2010 "Flame Retardant Communication Cables for Coal Mines" Mining communication cables MHYVR cables (PUYVR cables, mining riot control cables) (1 × 2 1 × 4 3 × 2 4 × 2 5 × 2 10 × 2 pairs) 7/0.28 7/0.37 7/0.43 7/0.52 (conductor diameter)

Communication Cable Mining Communication Cable MHYVP