Mining shield Control cable MKVVP-450/750-24 * 1.0 weight
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Mine shield control Cable One of the manufacturers of MKVVP-450/750-24 * 1.0 weight. If you want to buy this product, please contact our sales department. Standard for mining communication cable products: MT818.14-1999
MHYV (1 * 2 2 * 2 1 * 4 5 * 2) * 7/0.28 coal mine polymer ethylene Insulated PVC sheathed mine communication cable used in drift and inclined roadway and electromechanical chamber
MHJYV 4/0.28 copper wire 3/0.28 steel wire 1 * 2 2 * 2 reinforced core polyethylene insulated PVC sheathed mining communication cable for high mechanical damage roadway and inclined roadway
MHYAV 1/0.8 (20 * 2 30 * 2 50 * 2) * 0.8 PE insulated aluminum polyethylene bonding layer PVC sheathed mining communication cable for wet inclined shaft and drift
MHYA32 (30 * 2 50 * 2 80 * 2) * 0.8 PE insulated aluminum polyethylene bonding layer steel wire armored PVC sheathed mine communication cable for shaft and inclined shaft
Naming code
Communication cable for coal mine MH
Copper wire core ellipsis
Polyethylene insulation Y
Aluminum polyethylene bonded sheath A
Polyethylene inner sheath ellipsis
Braided Armor B
PVC sheath V
fine Round steel Wire armour, PVC outer coating thirty-two
Representation method of mine communication cable
Mine communication cable is indicated by model and specification. For example:
a) Mine used polyethylene insulated aluminum polyethylene bonding sheath steel wire armored PVC sheathed mine used communication cable with 30 twisted pair cores is expressed as: MHYA32 30 * 2
b) Polyethylene insulated PVC sheathed mining communication cable with one star strand core for coal mine, expressed as MHYV 1 * 4
Main technical performance and index of mine communication cable
DC resistance of conductor at 20 ℃ Ω/km 7/0.28 ≤ 45 7/0.28 (3 steel and 4 copper) ≤ 73 1/0.8 ≤ 36.7
Inherent attenuation (800 ～ 1000HZ) dB/km ≤ 1.1 ≤ 1.3 ≤ 0.95
Insulation resistance of cable insulation core at 20 ℃ M Ω. km ≥ 3000
Line pair working capacitance (800 ～ 1000HZ) uF/km ≤ 0.06
Near end crosstalk attenuation (800 ～ 1000HZ) dB/500m ≥ 70
Inductance (800 ～ 1000HZ) uH/km ≤ 800
Withstand AC power frequency voltage 1.5KV/1min passing
DC resistance difference ≤ 2% of loop resistance
Usage characteristics of
The long-term allowable working temperature of conductor is - 40~50 ℃;
Average relative humidity ≤ 95% (at 25 ℃)
The temperature allowed for attachment and installation shall not be more than - 10 ℃
Bending radius: MHYV, MHJYV cable is 10 times the outer diameter of the cable, and other types of cable is 15 times the outer diameter
Specification and model of signal wire for coal mine
● Product use:
The flame-retardant signal cable for coal mine (now collectively referred to as flame-retardant communication cable for coal mine) is suitable for signal transmission in the mine and can be used for mobile or fixed purposes.
● Product model, specification and scope of use:
1) MHYV (PUYV) polyethylene insulated PVC sheathed coal mine signal cable (1 * 2, 1 * 4, 2 * 2, 3 * 2, 4 * 2, 5 * 2, 6 * 2, 8 * 2, 10 * 2) 1/1.0, 1/1.38; It is used for ordinary signal transmission in the mine and is suitable for fixed laying.
2) MHYVR (PUYVR) coal mine signal cable with polyethylene insulation and PVC sheath, (1 * 2, 1 * 4, 2 * 2, 3 * 2, 4 * 2, 5 * 2, 6 * 2, 8 * 2, 10 * 2) 7/0.30, 7/0.37, 7/0.43, 7/0.52; It is used for ordinary signal transmission in the mine and can be moved for use.
3) MHYVP (PUYVP) polyethylene insulated PVC sheathed coal mine signal cable (1 * 2, 1 * 4, 2 * 2, 3 * 2, 4 * 2, 5 * 2, 6 * 2, 8 * 2, 10 * 2) 7/0.30, 7/0.37, 7/0.43, 7/0.52, used for signal transmission in places with large electric field interference, can be used for fixed laying.
4) MHYVRP (PUYVRP) polyethylene insulated copper wire braided shielded PVC sheathed signal cable for coal mine (1~10 pairs, 1 * 4) 7/0.30, 7/0.37, 7/0.43, 7/0.52, used for signal transmission in places with large electric field interference, the cable is relatively soft.
5) MHY32 (PUYV39-1) polyethylene insulated steel wire armored PVC sheathed signal cable for coal mine (1 * 2, 1 * 4, 2 * 2, 3 * 2, 4 * 2, 5 * 2, 6 * 2, 8 * 2, 10 * 2) 1/1.0, 1/1.38; It is used for signal transmission in drift, shaft or inclined shaft.
● Service characteristics:
1) Long term allowable working temperature of cable conductor: - 40~50 ℃;
2) Monthly average relative humidity: 95% (at 25 ℃);
3) The allowable temperature for cable laying and installation shall not be lower than - 10 ℃;
4) Cable bending radius: 10 times of cable outer diameter. 0 The weight of MKVVP-450/750-24 * 1.0 shielded control cable for mining in our factory has iso10542 system certification and production license. If you want to know the details of this product, you can send us the specific model of MKVVP-450/750-24 * 1.0 shielded control cable for mining, and we will provide you with the price information of this product as soon as possible.
