Designed to endure
demanding environments

DF430S

Doofor DF430S is a high-frequency rock drill.
High-performance hydraulic rock drill

Doofor DF430S is a high-frequency rock drill made for general excavations, mining, quarrying, and bolting. Suitable drill steels are 25mm and 28mm extension and drifter steels. The rock drills are equipped with a separate side flushing box. Flushing can be done with air or with water.

The DF430S rock drill can be equipped with a male R23, R25 or R28 shank adapter (striker bar).

Technical Data
Metric
Percussion power 5 kW
Percussion pressure 120 bar
(oil flow) (45 litres/min)
Rotation motor* 20 cm3
Speed max. 200–300 rpm
Torque* 100 Nm
Oil flow* 15 litres/min (max. 25 litres/min)
Gear ratio 47/17
Lubrication Air-oil mist, min. 125 g/h
Flushing air pressure max. 12 bar
Flushing air flow 700-1200 litres/min
Flushing water flow 15–30 litres/min
Weight 50 kg

41 mm

OPTIMAL MAXIMUM
HOLE DIAMETER

5 kW

Power class

R23, R25
R28

shank size
AIR / WATER
Flushing

*) Numbers given are for standard rotation motor (20cm³) with an intermittent pressure of 140bar [2031psi]. Motor options are 8cm³, 12.5cm³, 20 cm³, 32cm³, 40cm³. For professional use only as a component of a hydraulic system.

Doofor DF430S in action

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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