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 rock drill is equipped with a single-piece flushing box with grease lubricated flushing seals and multiple flushing leak indicator channels. In addition to grouting fluids, flushing can also be done with water or air.
The Doofor DF538L-BLTG is designed to drill up to 57 mm diameter drill holes in hard rock.
OPTIMAL MAXIMUM HOLE DIAMETER
R32, R38, T38
|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|
|Oil flow*||2*15 litres/min (max 2*25 litres/min)|
|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|
*) 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.
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.