Hydraulic conductor pullers
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Overhead line construction
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OPGW stringing equipments
> OPGW puller and tensioner
> OPGW stringing block
> OPGW Installation Devices
Ningbo Eastern Grid Power (E-Grid) is China leader in designing, manufacturing and supplying hydraulic brake tensioners for stringing operations, ideal to allow operations to be carried out with the highest accuracy, speed and safety.
It is applied to traction in the process of paying off the wire, earth wire, OPGW cable and ADSS cable for Overhead Transmission Lines.
1. Negative self-acting hydraulic brake,in case of hydraulic failure ensure to safety
2. Hydraulic dynamometer with set-point and automatic control of maximum pull.
3. Hydraulic oil cooling system
4. With pull pre-setting system
5. On board reel winder with automatic level wind, suitable for standard reel mod.
6. Closed Hydraulic back oil circuit, bidirectional variable plunger pump ,you can change the traction in any case.
7. Maximum traction force can be preset, automatic overload protection.
8. Pressure loss automatic braking device is used to ensure the safety of system operation when loss of pressure in case of the engine suddenly stops or other causes.
9. Hydraulic traction rope clamping device, automatic rope ,convenient to loading and unloading.Trailer type structure,rigid scaffold,attractive appearance.
Remarks: we can supply all kinds of stringing equipment according to customers' requirements.