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Airis Australia
Products>Reverse Circulation DTH Hammers
Type and Technical Specification of Reverse Circulation DTH Hammers▼
Item
Drilling Dia. (ф/mm)
Hammer Length (mm)
Outside Dia. (ф/mm)
Weight (kg)
Working Pressure (Mpa)
Air Consumption (M3/Min.)
Torque (N.M)
Impact Frequency (Times/Min.)
Connection 1
Connection 2
GLF335
90-105
1143
85
33
0.7-2.1
4.2-11.7
475
≥800
API 2-3/8
GLF345
110-130
1281
105
36
0.7-2.1
5.7-14.2
600
≥800
API 2-7/8
GLF355
135-155
1292
124
36
0.8-2.1
6.5-19.3
791
800-1200
T 91-3
GLF365
160-200
1345
154
61
0.8-2.1
9-18
950
600-1100
API 4-1/2
GLF385
200-254
1578
190
61
0.8-2.1
12-30.8
1040
660-1208
API 4-1/2
GLF3105
254-311
1440
250
75
0.8-2.4
15-34
1260
660-1230
API 4-1/2
GLF3125
311-360
1430
270
85
0.8-2.4
20-37.8
1250
600-1150
API 4-1/2
Our DTH hammer and bits are compatible with CIR, DHD, QL, SD, Mission, etc. series of Atlas and Sandvik brands. They are with high efficiency, low failure rate and long service life. Even for all kinds of high hardness, high abrasive rocks and other harsh conditions, our drilling tools can also realize efficient and economical drilling.
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