category:
Hydraulic impact hammers
Hydraulic impact hammer DF550G
Power class [kW]
17
Doofor DF550G is high frequency hydraulic impact hammer designed for the use of geothermal and other rotation drilling rigs. DF550G utilizes a high frequency percussion system, solid body and easy-to-service hydraulic accumulators. The impact hammer has two high pressure accumulators and one return, low pressure accumulator.
- Nominal power class 17 kW
- Percussion pressure 80-160 bar
- Oil flow (95-120 litres/min)
- Piston weight 5 kg
- Weight 88 kg
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