Mining signal cable model: MHYV MHYVR 15times for PUYV PUYVR PUYVRP MHYBV tinned mining standard signal cable products: MT818-the 1999 MHYVR (PUYVR) (12 14 22 52 72 102) insulated, PVC sheathed coal signal cable, used to mine the common signal transmission for mobile use. MHY32 (PUYV39-1) (12 14 22 52 72 102) polyethylene insulated steel wire armored, PVC sheathed coal drift or shaft or inclined to make the signal cable for signal transmission. MHYV (PUYV) (12 14 22 52 72 102), polyethylene insulated PVC sheathed coal mine for a common signal transmission, signal cable is used for fixed installation. MHYVRP 7/0.30, 7/0.37, 7/0.43, 7/0.52 (1 ~ 10 right, 14) insulated copper wire braid shield PVC sheath for use in mines signal cables for the electric field to interfere with the larger establishments. signal transmission, cable softer. MHYVP (12 14 22 52 72 102) 7/0.30, 7/0.37, 7/0.43, 7/0.52 polyethylene insulation and PVC sheath for use in mines the place of signal cable for signal transmission, can be used for fixed installation Main technical performance and indicators: 20 ° C conductor DC resistance Ω, / km 7/0.37 ≤ 24.5 7/0.43 ≤ 18.1 7/0.52 ≤ 12.1 inherent attenuation (800 ~ 1000HZ) dB / km cable insulation wire core ≤ 1.2 20 ° C Insulation Resistance MΩ. ≥ 5000 line km capacitor (800 ~ 1000HZ) uF / km ≤ 0.10 near-end crosstalk attenuation (800 ~ 1000HZ) dB/500m ≥ 70 inductance (800 1000HZ)-uH / km ≤ 800 resistance to AC power frequency voltage of 1.5KV / 1min worse by the DC resistance of ≤ loop resistance 2 percent mining use characteristics of the communication cable conductors allow long-term operating temperature -40 to +50 ° C; average maximum relative humidity ≤ 95% (+25 ° C) to allow attached and installation The temperature should not be greater than -10 ℃ minimum bend radius of the: MHYVR cable 10 times the cable diameter, other types of cable outer diameter of 15 times.
Plastic telephone cable, communication cable models, distribution cables, central office cable, armored communication cable, steel wire armored communication cable, steel wire armored communication cable, local telecommunication cable
Communication cable model of HYA HYAC HYAT HPVV the HYV HJVV HYY
Distribution Cable Model HPVV ZR-HPVV
Bureau of the cable model HJVV HJVVP ZR-HJVV ZR-HJVVP
Armored communication cable model HYA53 WDZ - HYA53 ZRC-HYA53
Filled armored communication cable model HYAT53-HYAT53 WDZ - ZRC-HYAT53,
Other armored communication cable model HYA22 HYV22 HYAT22 HYY23 HYYT23 HYA23 HYAT23
Steel wire armored communication cable HYA33 HYAT33 WDZ - HYA53-HYY33 HYYT33 HYY33
Oil-filled communication cable HYAT ZRC-HYAT, WDZ - the-HYAT HYYT
Plastic telephone cable Executive standard: YD/T322-1996
Plastic telephone cable structural features: of HYA local telecommunication cable with the full spectrum of high-density polyethylene insulation, aluminum integrated sheath (ie, longitudinally of the cable, shielded ribbon with jacket bonded into one to form a sealing sheath) , with excellent electrical performance, and easy construction.
Plastic telephone cable electrical properties:
DC Resistance: 20 ° C, 0.4 ≤ 148? / Km 0.5 ≤ 95.0? / Km 0.6 ≤ 65.8? / Km 0.8 ≤ 36.6? / Km.
1min between the two. Insulation electrical strength: conductor 1kv not breakdown the conductor and shielding breakdown in the 1min 3kv not
Insulation resistance: each wire to ground and the rest of the wire core, the inflatable cable is greater than 10000MΩ.km filled cable is greater than 3000MΩ.km.
(4) Capacitance: average of 52 ± 2nF/km
The FEXT defense degree: 150kHz when the average power of the specified combination is greater than 69dB/km.