Railway signal the cable PTYA22 the details: 
 Railway signal cables 


 1 Characteristics 
 1.1 cable to use an 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 
 Specifications of the model name laying range (core) 
 PTYV polyethylene insulated PVC sheathed railway signaling cable 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 insulated, PE sheathed railway signal cables 
 The PTY22 polyethylene insulated steel tape armored, PVC outer sheath railway signaling cable laid in the soil, tank, tube, able to withstand greater mechanical force 
 The PTY23 insulated, steel tape armored PVC outer sheath railway signal cable 
 PTYA22 polyethylene insulation sheathed PVC outer sheath railway signal cables 
 PTYA23 polyethylene insulation integrated sheath steel tape armored PVC outer sheath railway signal cables 
 PTYA polyethylene insulation integrated sheath polyethylene outer sheath railway signal cables 


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