Bolter

ALMINCO
Gopher 

CRAM Wombat

FIREFLY INT
Fire Fly

HYDROMATIC
ARO-4000

SIG
HBM 50

ALMINCO
    Beaver

Mode of power

Pneumatic

Pneumatic

Pneumatic

Hydraulic

Hydraulic

Hydraulic

Range (m):
smallest (3 Stge)
largest (3 Stge)

 

0.771 – 1.227
1.374 – 3.657

 

0.442 – 0.759
1.347 – 3.539

 

1365 – 3253
1145 – 2793

 

1500 – 2500
2200 – 3900

725-930

 

914-1710
1372-3090

Operating air pressure (kPa)

551 -760

551- 758

551- 586

120

 

Water pressure operating range
(kPa)

760 – 1240

760 – 1240

689 – 1102

1000-1200

550- 860

Water consumption (l/min.)

15-20
@ 1000 kPa

15-20
@ 1000 kPa

15 – 20

12-40

 

72- 80

Air consumption at full speed- free
(m3/min)

2.83 -3.4

3.4 – 4.3 at free speed

4.25

Output torque at
stall (Nm)

108 – 136

218

190.4

340

250 – 350

up to 204

Leg thrust   /Thrust Feed
kN

6.7

5.1 – 6.97
3.94 – 6.6 (stage 2)

4.00

30
@ 13 789 KPa  max.

5.34

Full rotational speed (no load) (rpm)

950 (approx)

960 @ 620 kPa

750

620

200  – 350

525

Machine Weight    smallest   (kg):
 largest      (kg):

Three stage 33
42

27.60
46.31

37

74

44-48

Noise level (dB)

84@ free speed

95

 

98

 

No of stages

2 and 3

2

2

2

 

 

Technical specifications of Pneumatic and Hydraulic roof bolting rigs

bolter