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E-mail
1450695433@qq.com
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Phone
15631635222
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Address
No.1 Chang'an Road, South District of Economic Development Zone
Tianjin Jinshuo Cable Co., Ltd
1450695433@qq.com
15631635222
No.1 Chang'an Road, South District of Economic Development Zone
Mining communication cable MHYV flame-retardant signal cable
Mining communication cable (mining communication cable) -mhyvcable
Naming code:
Communication cables for coal mines... MH (HU)
Copper wire core... omitted
Polyethylene insulation... Y
Aluminum polyethylene bonding protective layer... A
Polyethylene inner sheath... omitted
Steel wire braided armor... B
Blue flame retardant polyvinyl chloride sheath... V
Steel wire armored blue flame-retardant polyvinyl chloride outer sheath... 32
Main models, names, specifications, and uses of mining communication cables:
model |
name |
structure |
purpose |
|
logarithm |
Wire core |
|||
MHYV(HUYV) |
Mining polyethylene insulated, flame-retardant polyvinyl chloride sheathed communication cable |
2-5 |
7/0.28 |
Used for flat lanes, inclined lanes, and mechanical and electrical chambers |
MHJYV(HUJYV) |
Mining polyethylene insulated, flame-retardant polyvinyl chloride sheathed reinforced communication cable |
2-5 |
7/0.28 |
Used for flat and inclined lanes, with good tensile strength |
MHYBV(HUYBV) |
Mining polyethylene insulated, galvanized steel wire braided armor, flame-retardant polyvinyl chloride sheathed communication cable |
5-50 |
1/0.8 |
Used for flat and inclined tunnels with high mechanical impact |
MHYAV(HUYAV) |
Mining polyethylene insulated, aluminum/polyethylene bonded protective layer, flame-retardant polyvinyl chloride sheathed communication cable |
10-100 |
1/0.8 |
Used as a communication line for damp inclined shafts and alleyways |
MHYA32(HUYA32) |
Mining polyethylene insulation, aluminum/polyethylene bonding protective layer, galvanized steel wire armor, flame-retardant polyvinyl chloride sheathed communication cable |
10-100 |
1/0.8 |
Used as a communication line for coal mine shafts or inclined shafts |
Main electrical properties of mining signal cables:
project |
unit |
MHYV |
MHJYV |
MHYBV,MHYAV,MHYA32 |
|
7/0.28 |
7/0.28 |
1/0.8 |
1/1.0 |
||
+20 ℃ DC resistance of wire |
Ω/km |
≤45 |
≤73 |
≤36.7 |
≤25.8 |
Inherent attenuation (800~1000Hz) |
dB/km |
≤1.1 |
≤1.30 |
≤0.95 |
≤0.7 |
+Insulation resistance of wire at 20 ℃ |
MΩ.km |
≥3000 |
|||
Line to line working capacitance (800~1000HZ) |
uF/km |
≤0.06 |
|||
Far end crosstalk attenuation (800~1000Hz) |
dB/km |
≥70 |
|||
Inductance (800~1000HZ) |
mH/km |
≤800 |
|||
Resistant to AC power frequency voltage |
- |
1.5KV/1min pass |
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Current resistance difference |
- |
≤ 2% of the ring resistance |
|||
Working conditions:
Cable usage environment temperature -40 ℃~ +50℃
Cable laying temperature ≥ -10 ℃
Temperature at 25 ℃ ≤ 95%
Bending radius during cable laying:
MHYV cable ≥ 10 times the outer diameter of the cable
Other types of cables have a diameter ≥ 15 times the outer diameter of the cable
Mining communication cable MHYV flame-retardant signal cable
Our factory solemnly declares:
1. Sign a product quality assurance certificate and promise that unqualified products will never leave the factory.
2. Provide product quality tracking services within two years and keep customer service records in archives for 20 years.
3. Due to product quality issues, our factory will provide warranty, return, replacement, and meet customer requirements.
Product specifications: Customized according to customer requirements
Product quantity: The minimum order quantity is 100 meters, and the price for 100-200 meters will increase
Packaging instructions: Packaged in trays with a length of meters, packaged in cable shafts with a length of meters
Price Description: The price is updated at any time based on the fluctuation of copper prices