Manufacturer sells MHJKV mining flame-retardant communication cable

NegotiableUpdate on 01/09

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Nature of the Manufacturer: Producers

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Overview

The manufacturer sells MHJKV flame-retardant communication cable for mining, which is suitable for the construction of underground communication welding lines, wiring, and user lines in coal mines, metal mines, and other underground environments. It supports stable signal transmission in flat tunnels, inclined tunnels, and electromechanical chambers

Product Details

Manufacturer sells MHJKV mining flame-retardant communication cable

Mining communication cable (mining communication cable) - mhyv cable

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
model	name	logarithm	Wire core	purpose
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 (Three steel and four copper)	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 1/1.0	Used as a communication line for damp inclined shafts and alleyways
MHYA₃₂(hey₃₂)	Mining polyethylene insulation, aluminum/polyethylene bonding protective layer, galvanized steel wire armor, flame-retardant polyvinyl chloride sheathed communication cable	10-100	1/0.8 1/1.0	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
project	unit	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
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

Outer diameter of mining communication cable

Specifications Logarithms x number of roots x diameter of conductor	MHYV(HUYV)	MHYJV(HUJYV)
1×2×7/0.28	7.1	7.1
4×1×7/0.28	7.3	7.3
5×2×7/0.28	11.3	11.3
10×2×7/0.28	-	-

Specifications Logarithms x number of roots x diameter of conductor	MHYBV(HUYBV)	MHYAV(HUYAV)	MHYA₃₂(hey₃₂)
3×2×0.8	-	14	-
5×2×0.8	15.3	16	18
10×2×0.8	17.6	18.5	22
20×2×0.8	21.4	20	24
30×2×0.8	25.5	25	26
50×2×0.8	30.2	29	33
80×2×0.8	-	36	39

Manufacturer sells MHJKV mining flame-retardant communication cable