This product is fit for ac rated voltage 500 v or dc 1000 v and below transmission of railway signals, audio signals or automatic device |
| 1 USES features 1.1 cable using the environment temperature of 40 ℃ ~ + 60 ℃. 1.2 cable conductor long-term working temperature shall not exceed + 70 ℃. Cable laying temperature 1.3: PVC sheathed cable should not below 0 ℃;Polyethylene outer sheath cable should be not less than 20 ℃. Permissive bending radius of cable 1.4: the armored cable should be not less than 10 times of cable diameter;Armored cable should be not less than 15 times of cable diameter. 1.5 comprehensive ideal sheathed railway signal cable shielding coefficient of 0.8 or less;Aluminum sheath ideal of railway signal cable shielding coefficient of 0.3 or less |
| 2 type, name and specification |
| model | The name of the | Laying range | Specifications (core) |
| PTYV | Polyethylene insulated PVC sheathed railway signal cable | In the soil, tank, pipe laying, able to bear external mechanical forces. | 4, 6, 8, 9, 12, 14, 16, 19, 21, 24, 28 and 30, 33, 37, 42, 44, 48 and 52, 56, 61 |
| PTYY | Polyethylene insulated, PE sheathed railway signal cable | ||
| PTY22 | Polyethylene insulation tape armored PVC sheathed outside the railway signal cable | In the soil, tank, pipe laying, can bear external mechanical forces | |
| PTY23 | Polyethylene insulation tape armored polyethylene outer sheath railway signal cable | ||
| PTYA22 | Polyethylene insulation composite sheath steel tape armoured PVC sheathed outside the railway signal cable | ||
| PTYA23 | Polyethylene insulation composite sheath steel tape armoured polyethylene outer sheath railway signal cable | ||
| PTYL22 | Polyethylene insulation aluminum sheath steel tape armoured PVC sheathed outside the railway signal cable | ||
| PTYL23 | Polyethylene insulation aluminum sheath steel tape armoured polyethylene outer sheath railway signal cable |
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