Hydraulic impact hammer DF560G
Power class [kW]
20
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.
- 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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