Manufacturer sells MHYAV coal mine communication cables

NegotiableUpdate on 01/09

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

The manufacturer sells MHYAV coal mine communication cables $r $n coal mine polyethylene insulated aluminum #160; - #160; Polyethylene bonded protective layer PVC sheathed communication cable $r $n is used for main signal transmission in damp inclined shafts and tunnels

Product Details

Manufacturer sells MHYAV coal mine communication cables

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 MHYAV coal mine communication cables