Hydraulic conductor tensioners
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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.
Hydraulic open circuit that provides very sensitive tensioning control and negligible deviations of tension in case of speed change.
1.Two Hydraulic half-closed circuit that provides very sensitive tensioning control and negligible deviations of tension in case of speed change.
2. The machine is provided with tension pre-setting system.
2. Bull wheel with wear proof MC nylon lining segment
3. Closed hydraulic circuit and bi-directional variant plunger pump .infinitely variable pull/tension control
4. Rexroth pump and motor, Italian RR reducer ,model C attached reel winder .
5. Spring applied hydraulic released brake, overload protection is on the safe side and easy operation.
6. There is a hydraulic circuit for drive , matching DW2240 A reel stand
7. Negative self-acting hydraulic brake, in case of hydraulic failure ensure to safety.
8.Hydraulic dynamometer with set-point and automatic control of maximum pull, automatic overload protection.
9.Hydraulic oil cooling system
10.Mechanical meter counter.
11.Hydraulic power pack to control 1 drum stand with hydraulic motor or 1 reel winder.
12.Gearbox with 3 operating positions:
--neutral position(with free bull-wheels for conductor loading and unloading)
--Low tensioner position.
--nominal tension position
13.Mechanical actuated front plough stabilizer.
14.Grounding device on board.