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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.
41 MM
5 KW
FR25, FR28
AIR/WATER
| Nominal power class | 5 kW |
| Percussion pressure | 120 bar |
| (Percussion oil-flow) | (45 litres/min) |
| Rotation motor* | 20 cm3 |
| Speed max. | 180–300 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. | 12 bar max. |
| Flushing air flow | 700-1200 litres/min |
| Flushing water flow | 15–30 litres/min |
| Weight | 50 kg |
*) 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