Hydraulic impact hammer DF550G
Hydraulic impact hammers

Hydraulic impact hammer DF550G

Power class [kW]


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.

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  • 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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