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Water-blocking railway signal cable
Scopeofapplication Cablesareusedforconnectionofrailwaysignals,audiosignalsorautomaticsignaldevicesandareusedincircuitswithratedvoltagesupto500Vorupto1000vdc.Cablesareusedforfixedlayinginrailwayelectr
Classification:
Railway special cable
Description
Scope of application
Cables are used for connection of railway signals, audio signals or automatic signal devices and are used in circuits with rated voltages up to 500V or up to 1000v dc. Cables are used for fixed laying in railway electrification sections or in areas of heavy electrical disturbance and do not require aeration maintenance.
structure
Insulated conductor: 1.0mm diameter round copper wire, polyethylene insulation.
Cable core: two or four insulated core-lines or four insulated core-lines in different colors shall be twisted according to the specification and evenly filled with petroleum paste.
Protective layer: PTYAT53 type: cable core outsourcing polyethylene belt + ointment + aluminum plastic belt + polyethylene sleeve + wrinkle steel belt + polyethylene coat
Type PTYLT23: cable core outer wrapping plastic belt ten resistance hose (or polyethylene sleeve)+ aluminum sheath + lining + steel belt + polyethylene coat
Model and name
| Model | Name | Some | Nominal cross section |
| PTYAT53 | Composite sheathed corrugated steel tape armored watertight railway signal cable | 4~61 | Bury, trough, pipe, can bear larger mechanical external force |
| PTYLT23 | Aluminum sheathed steel tape armored resistance railway signal cable |
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Henan Hengtian Special Cable Group
Tel：+86-371-69972000
Add：Shenzhou South Road,Xingang Industrial Park, Zhengzhou, China
Email：sales@hengtiantelan.com.cn
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