Pneumatic Roof Bolter
MQT Series Pneumatic Roof Bolter always take a leading position in roof supporting industry, specially in following aspects: higher output power； higher rotate speed and drilling power; convenient operation and maintenance to the air & water control valve; and special silencer bringing comfortable working condition, etc. And each model can be equipped with drilling rod with two connection types, B19 and B22.
|
Item
|
Parameter
|
Unit
|
MQT-120/2.7
|
MQT-130/2.8
|
|
1
|
Suitable Pressure
|
MPa
|
0.4-0.63
|
0.4-0.63
|
|
2
|
Rated Pressure
|
MPa
|
0.5
|
0.5
|
|
3
|
Rated Torque
|
N.m
|
120
|
130
|
|
4
|
Rated Rotate Speed
|
r/min
|
220
|
210
|
|
5
|
Rated Output Power
|
kW
|
2.7
|
2.8
|
|
6
|
Max. Output Power
|
kW
|
3.0
|
3.2
|
|
7
|
Max. Loading Torque
|
N.m
|
225
|
235
|
|
8
|
Stalling Torque
|
N.m
|
230
|
240
|
|
9
|
Air Consumption
|
m3/min
|
3.7
|
3.7
|
|
10
|
Idle Rotate Speed
|
r/min
|
750
|
700
|
|
11
|
Noise Level
|
dB(A)
|
≤90
|
|
12
|
Max. Height
|
mm
|
2460
|
3050
|
3660
|
2460
|
3050
|
3660
|
|
13
|
Min. Height
|
mm
|
1140
|
1290
|
1440
|
1140
|
1290
|
1440
|
|
14
|
Weight
|
kg
|
48
|
50
|
52
|
48
|
50
|
52
|
|
15
|
Flushing Pressure
|
MPa
|
0.6-4
|
|
