Details of railway signaling cable PTY23: railway signaling cables This product is suitable for the control circuit of the rated voltage of AC 500V or DC 1000V and below transmission railway signal, audio signal or automatic signaling devices, including integrated sheath railway signal cables have a certain shielding performance suitable for laying electrified section or other areas of strong radio interference. Using properties 1.1 cable using the ambient temperature of -40 ° C ~ +60 ° C. 1.2 long-term cable conductor operating temperature should not exceed +70 ℃. 1.3 Cabling the ambient temperature: PVC sheathed cable should not less than 0 ° C; polyethylene outer sheath cable should not be less than -20 ℃. 1.4 cable bending radius: non-armored cable should be not less than 10 times the cable diameter; armored cable should not be less than 15 times the cable diameter. 1.5 integrated sheath railway signal cables ideal shielding factor of ≤ 0.8; aluminum sheath railway signal cables ideal shielding factor of ≤ 0.3 2 model name and specifications model name the laying scope of specification (core) PTYV polyethylene insulated PVC sheathed railway The signal cable is laid in the soil, tank, tube, able to withstand the mechanical force in general. 4,6,8,9, 12,14,16,19,21,24,28,30,33,37,42,44,48,52,56,61 PTYY polyethylene insulation and polyethylene jacket railway signal cables PTY22 polyethylene insulated steel tape armored, PVC outer sheath railway signaling cable laid in the soil, slot in the tube can withstand large mechanical external the PTY23 polyethylene insulated steel tape armored polyethylene outer sheath railway signaling cable PTYA22 polyethylene insulation and sheath steel tape armored, PVC outer sheath railway signal the cable PTYA23 polyethylene insulation sheathed polyethylene outer sheath railway signaling cable PTYA polyethylene insulation jacket polyethylene outer sheath 3-section schematic of railway signal cables, cable electrical properties No Item Unit Index conversion formula 1 1.1 1.2 DC resistance of each conductor DC resistance line at 20 ° C Conductor DC resistance unbalanced Ω / km ≤ 23.5 ≤ Insulation resistance MΩ · km in 2% L/1000 2 ≥ 3000 1000 / L 3 3.1 3.2 3.3 capacitor any insulated cores twisted group work capacitance star quads capacitance between the core of the insulated wire connected to ground capacitance nF / km ≤ 70 ≤ 50 ≤ 100 L/1000 4 4.1 4.2> capacitive coupling to the average of the maximum value of K9 K1 ~ K12 average of the maximum four-line group K1 value index for the maximum pF/500m ≤ 100 ≤ 330 ≤ 120 ≤ 230> (L/500) 1/2 L/500 (L/500) 1/2 L/500 5 external capacitance imbalance ea1 ea2 average of the maximum four-core cable ea1 ea2 indicators for the maximum nF/500m ≤ 330 ≤ 1300 L/500 6 6.1 6.2 insulation of the duration of the wire core to the rest of the wire core grounding between 2min line core V 1000 1800 5, the cable diameter and weight specifications refer to the OD (mm) Reference Weight kg / km reference outer diameter mm Weight kg / km PTYV PTYY PYT22 PTY23 4 6 8 9 12 14 16 19 21 24 28 30 33 37 42 44 48 52 56 61 8.8 11.8 12.8 12.8 14.5 14.5 16.1 16.1 16.1 17.8 19.8 19.8 19.8 22.1 23.0 23.0 25.1 25.1 26.3 26.3 93 137 163 173,218,238,270,300 320 364 439 459 489 550 608 628 687 728 779 830 78 116 140 150 192 212 241 271 291 330 396 416 446 500 556 576 631 672 719 770 12.2 15.2 16.2 16.2 19.0 19.0 20.6 20.6 20.6 22.3 23.7 23.7 23.7 26.0 26.9 26.9 29.2 29.2 31.6 31.6 189 260 296 306 434 454 508 538 558 623 692 712 742 831 899 919 1016 1056 1430 1480 166 231 266 276 391 411 461 491 511 572 638 658 688 770 837 857 944 984 1 352 1402 Specifications PTYA22 PTYA23 reference OD (mm) Reference Weight kg / km reference outer diameter mm Weight kg / km 4 6 8 9 12 14 16 19 21 24 28 30 33 37 42 44 48 52 56 61 15.7 17.6 18.6 18.6 20.3 20.3 21.9 21.9 21.9 23.6 25.0 25.0 25.0 27.3 28.4 28.4 31.9 31.9 33.1 33.1 292 379 423 433 503 523 580 610 630 701 778 798 828 921 1002 1025 1 438 1 478 1562 1612 15.7 17.6 18.6 18.6 20.3 20.3 21.9 21.9 21.9 23.6 25.0 25.0 25.0 27.3 28.4 28.4 31.9 31.9 33.1 33.1 258 340 381,391,457,477,530 560 580 646 720 740 770 857 932 955 1355 1395 1 476 1526 specifications PTYL22 PTYL23 reference outer diameter mm Weight kg / km OD (mm) Reference Weight kg / km 4 6 8 9 12 14 16 19 21 24 28 3,033,374,244,485,256 61 21.8 24.0 24.0 24.0 26.0 26.0 28.2 28.2 28.2 31.4 31.4 31.4 31.4 34.6 34.6 34.6 36.6 36.6 38.8 38.8 681 792 815 825 936 956 1066 1096 1116 1279 1 321 1 341 1 371 1548 1600 1620 1 743 1783 1919 1969 21.8 24.0 24.0 24.0 26.0 26.0 28.2 28.2 28.2 31.4 31.4 31.4 31.4 34.6 34.6 34.6 36.6 36.6 38.8 38.8 640 741 764 774 880 900 1002 1032 1052 1203 1 245 1265 1295 1460 1512 1532 1650 1690 1816 1866 6 delivery length of 500m and above the cable should not be less than 50% of the total length of delivery; 50 ~ 250m short section of cable delivery length should not exceed 5% of the total length of delivery; cable length measurement error should not exceed ± 0.5%. According to the negotiated provisions of the length of the delivery. Order Online: