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Information | RL200(Tricycle) | RL260(Tricycle) | RL300(Four-wheeled) |
Max drilling depth | 200 m | 260m | 300 m |
Air pressure | 1.7-2.5Mpa | 1.7-2.5Mpa | 1.7-3.0Mpa |
Drill pipe length | 1.5/2/3.m | 1.5/2/3m | 1.5/2/3.0m |
Axial pressure | 3T | 3T | 3T |
Fast lifting speed | 20 m/min | 24 m/min | 24 m/min |
Max rotary torque | 3400-4700N.m | 4200-5500N.m | 5700-7500N.m |
Jacks stroke | 1.4 m | 1.4m | 1.4 m |
Driving speed | 2.5 Km/h | 2.5Km/h | 2.5 Km/h |
Equipment weight | 5.4 T | 5.8T | 6.8 T |
Drilling diameter | 140-254mm | 140-305mm | 140-305mm |
Air consumption | 17-31 m³/min | 17-31 m³/min | 17-36 m³/min |
Drill pipe diameter | 76/89mm | 76/89mm | 76/89mm |
Lifting force | 13 T | 16T | 16 T |
Fast feeding speed | 40m/min | 40m/min | 40m/min |
Max rotary speed | 45/70 r/min | 45/70 r/min | 42/70 r/min |
Drilling efficiency | 10-35 m/h | 15-35 m/h | 15-35 m/h |
Uphill angle | 21 | 20° | 21° |
Dimension | 3.6*1.75*2.25m | 3.9*1.75*2.25m | 4.1*2.0*2.26m |
Engine power | 58KW | 76KW | 85KW |
Working condition | Loose layers and rocks | Loose layers and rocks | Loose layers and rocks |
Drilling methods | Top drive hydraulic rotary and propulsion DTH impactor or mud drilling | Top drive hydraulic rotary and propulsion DTH impactor or mud drilling | Top drive hydraulic rotary and propulsion DTH impactor or mud drilling |




