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MQT Series Pneumatic Roof Bolter, higher output power, high rotate speed and drilling power; convenient operation and maintenance to the air & water control valve; and special silencer bringing comfortable working condition, etc. MQT-70/1.8,MQT-85/2.2,MQT-90/2.3A,MQT-100/3.1,MQT-110/2.8,MQT-120/3.0 and MQT-130/3.2. And each model can be equipped with drilling rod with two connection types, B19 and B22. In addition, we also provide various drill bits & rod fitting for different rock hardness for your selection
MODEL & PARAMETER | MQT-100/3.1 | MQT-110/2.8 | MQT-120/3.0 | MQT-130/3.2 | |||||||||
SUITABLE PRESSURE RANGE (MPa) | 0.4 -- 0.63 | 0.4 -- 0.63 | 0.4 -- 0.63 | 0.4 -- 0.63 | |||||||||
RATED PRESSURE (MPa) | 0.5 | 0.5 | 0.5 | 0.5 | |||||||||
RATED TORQUE? (N.m) | ≥100 | ≥110 | ≥120 | ≥130 | |||||||||
RATED ROTATE SPEED? (r/min) | 280 | 240 | 240 | 240 | |||||||||
LEG PROPULSION(Kn) | III | 9.8 | 9.8 | 9.8 | 9.8 | ||||||||
II | 6.7 | 6.7 | 6.7 | 6.7 | |||||||||
I | 5.2 | 5.2 | 5.2 | 5.2 | |||||||||
IDLE PUSHING SPEED(mm/s) | 400 | 400 | 400 | 400 | |||||||||
MAX. OUTPUT POWER (kw) | 3.1 | 2.8 | 3 | 3.2 | |||||||||
IDLE ROTATE SPEED (r/min) | 900 | 700 | 700 | 700 | |||||||||
STALL TORQUE (N.m) | ≥180 | ≥230 | ≥240 | ≥240 | |||||||||
MAX.LOADING TORQUE (N.m) | 170 | 220 | 230 | 230 | |||||||||
AIR CONSUMPTION (m3/min) | 3.8 | 3.6 | 3.8 | 4 | |||||||||
NOISE LEVEL (dB(A)) | <90 | <90 | <90 | <90 | |||||||||
LEG TYPE | I | II | III | I | II | III | I | II | III | I | II | III | |
WEIGHT (kg) | 45 | 47 | 49 | 48 | 50 | 50 | 48 | 50 | 52 | 48 | 50 | 52 | |
MAX? HEIGHT (mm) | 2566 | 3046 | 3614 | 2552 | 3032 | 3600 | 2552 | 3032 | 3600 | 2552 | 3032 | 3600 | |
MIN HEIGHT? (mm) | 1189 | 1309 | 1451 | 1175 | 1295 | 1437 | 1175 | 1295 | 1437 | 1175 | 1295 | 1437 | |
Pneumatic Roof Bolter