Railway Signal Cables PTYV and PTYY
- Product Model, Production Range
- Product Usage
- Product Structure
- Product Performance
- Product Advantage (Selling Point)
- Product Code Identification
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Model Name Laying range Specifications MM2 Core number PTYV Polyethylene Insulated PVC Sheathed Railway Signal Cable Laying in soil, trough and pipe, it can withstand general mechanical external force. 1.0/1.5/2.5 4、6、8、9、 12、14、16、19、21、24、28、30、33、37、42、44、48、52、56、61 PTYY Polyethylene Insulated Polyolefin Sheathed Railway Signal Cable
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This product is suitable for the control circuit of railway signal transmission, audio signal or automatic signal device with rated voltage of 500V or 1000V DC. The integrated sheath and aluminium sheath railway signal cables have certain shielding performance and are suitable for laying in electrified section or other areas with strong electric interference.
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Wire: annealed copper wire. Chinese style
Insulation: Flame retardant high density polyethylene, and mark the color of insulating wire according to the full chromatogram.
Core stranding: multi-core specification stranding or grouping stranding re-assembly.
Shielding: Aluminum foil wrapping, copper wire braiding shielding, shielding rate (> 80%)
Sheath: High flame retardant black polyolefin, high flame retardant polyvinyl chloride sheath -
1. Rated voltage: 750V2. Rated temperature: - 40 ~125 ~3, 1.0 mm2 maximum conductor DC resistance (20 C): 20.0_/Km1.5 mm 2 maximum conductor DC resistance (20 C): 13.7_/Km2.5 mm 2 maximum conductor DC resistance (20 C): 8.92_/Km4. Voltage withstand test: 2.0KV/5min5. Flame Retardant Tests Passed: GB/T 18380.1-3.20016. Minimum bending radius (fixed laying): > 6D (cable outer diameter)7. Halogen-free properties of polyolefins: insulating PH value: > 4.3Insulation Conductivity: <10Us/mmInsulation halogen content: 5mg/gTransmittance: > 80%PH value of sheath: > 4.3Conductivity of sheath: <10Us/mmSheath halogen content: 5mg/g8. The ambient temperature of the cable is - 40 ~60%.9. The long-term working temperature of cable conductor should not exceed + 70 C.10. Environmental temperature of cable laying: PVC sheathed cable should not be less than 0 C; polyolefin sheathed cable should not be less than - 20 C.11. The allowable bending radius of the cable is not less than 10 times of the outer diameter of the cable.
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1. Good corrosion resistance, long service life, can be used in wet saline-alkali zone.2. Flame retardant, good heat resistance.
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