Doofor DF538L-BLTG is a hydraulic drifter for grout injection, tunneling work, and mining. Typical applications include narrow vein jumbos. The Doofor DF538L-BLTG has two rotation motors for high torque. Rotation gear is robust and durable for surface and underground use.
The Doofor DF538L-BLTG is designed to drill up to 57 mm diameter drill holes in hard rock.
57 MM
13 KW
R32, R38, T38
AIR/WATER
| Nominal power class | 13 kW |
| Percussion pressure | 110-140 bar |
| (Percussion oil-flow) | (65-85 litres/min) |
| Rotation motor* | 2*32 cm3 |
| Speed max. | 250 rpm |
| Torque* | 295 Nm |
| Oil flow* | 2*15 litres/min (max 2*25 litres/min) |
| Gear ratio | 57/22 |
| Lubrication | Air-oil mist, min. 150 g/h |
| Flushing air pressure. | 5-7 bar |
| Flushing air flow | 1500-2500 litres/min |
| Flushing water pressure | 12 bar |
| Flushing water flow | 40 litres/min |
| Weight | 83 kg |
*) Numbers given are for two standard rotation motors (32 cm³) with an intermittent pressure of 140 bar [2031psi]. Motor options are 8 cm³, 12.5 cm³, 20 cm³, 32 cm³, 40 cm³ and 50 cm³. For professional use only as a component of a hydraulic system.