Hydraulic impact hammer DF560G
Hydraulic impact hammers

Hydraulic impact hammer DF560G

Power class [kW]


Doofor DF560G is a high-frequency hydraulic impact hammer designed for the use of geothermal and other rotation drilling rigs.

The impact hammer has a rapid function control valve with a large surface for a high percussion frequency and optimal shock wave control. The valve optimizes the power distributed by the piston so, that the impact hammer is capable of delivering a full blow force in all hitting points.

The Doofor impact hammers utilize the Doofor – developed trapezoid impact piston, which increases the movement of the impact pulse in the drill tool string. The two high-pressure accumulators and the low number of serviceable parts make the impact hammers’ uptime a long one. The cast iron body is light and rigid. The four bolt connections in the front make the impact hammer easy to install.

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  • Nominal power class 20 kW
  • Percussion pressure 130 bar
  • Percussion oil-flow (95-120 litres/min)
  • Piston weight 6.5 kg
  • Weight 90 kg

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