Shandong Tianlian Mining Control Cable MKVV4 * 0.75 Manufacturer

Description :

　　Main technical performance and indicators of mining communication cables: DC resistance of conductor at 20 ℃ Ω/km 7/0.28 ≤ 45 7/0.283 steel 4 copper ≤ 73 1/0.8 ≤ 36.7 intrinsic attenuation (800~1000HZ) dB/km ≤ 1.1 ≤ 1.3 ≤ 0.95 Insulation resistance of cable core at 20 ℃ M Ω. km ≥ 3000 wire pair working capacitance (800~1000HZ) uF/km ≤ 0.06 Near end crosstalk attenuation (800~1000HZ) dB/500m ≥ 70 inductance (800~1000HZ) uH/km ≤ 800 Resistance to AC power frequency voltage 1.5KV/1min Long term allowable working temperature of the conductor for mining communication cables: -40~+50 ℃; When the average relative humidity is ≤ 95% (+25 ℃), the allowable temperature for attachment and installation should not exceed -10 ℃. The minimum bending radius is 10 times the outer diameter of MHYV and MHJKV cables, and 15 times the outer diameter of other types of cables.

　　MHYBV (PUYBV) coal mine polyethylene insulated galvanized steel wire braided armor flame-retardant polyvinyl chloride sheathed communication cable 5-50

　　1/0.8 is used for flat and inclined tunnels with high mechanical impact

　　Shandong Tianlian Mining Control Cable MKVV4 * 0.75 Manufacturer

　　1. Product execution standard: GB11327-89.

　　2. Purpose: Used for short distance signal transmission.

　　3. Product model, specifications, and scope:

　　HPVV 0.4-0.8mm 5-400 pairs are suitable for the starting and ending of lines, used for connecting local telephone cables to distribution boxes or patch panels.

　　HJVV HJVVP 0.4-0.8mm 5-core -200 core is used for connecting distribution frames to switches or connecting machines at all levels within switches (including rural telephone offices).

　　4. Usage characteristics:

　　Shandong Tianlian Mining Control Cable MKVV4 * 0.75 Manufacturer

AfterSalesService :

• Tianlian Mining Control Cable MKVV