Designed to endure
demanding environments


Doofor DF550G hydraulic impact hammer
Hydraulic impact hammer

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.

Technical Data
Percussion power17 kW
Percussion pressure80-160 bar
(oil flow)(95-120 litres/min)
Piston weight5 kg
Weight88 kg

17 kW

Power class

Feed force (pressure) must be adjustable during operation. Rotation torque and oil flow values given are for a typical rotation motor. See full brochure for detailed information on different rotation motors. Percussion pressure mentioned is a recommended value for a typical application. The product is intended for professional use by skilled personnel. Doofor reserves all rights for changes without prior notice.

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