Medium Pressure DTH Hammers
Our DTH hammer and bits are compatible with CIR, DHD, QL,SD,Mission, etc. series of Atlas and Sandvik etc.
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.
◆Type and Technical Specification of Medium Pressure DTH Hammers ▼
|
Item |
GL930 |
GL4.5 |
|
Drilling Dia. (ф/mm) |
90-120 |
110-150 |
|
Hammer Length(mm) |
870 |
917 |
|
Outside Dia.(ф/mm) |
80.5 |
98 |
|
Weight(kg) |
25 |
36 |
|
Working Pressure (Mpa) |
0.8-1.2 |
0.8-1.2 |
|
Air Consumption (M3/Min.) |
6 |
11 |
|
Torque(N.M) |
180 |
300 |
|
Impact Frequency (Times/Min.) |
≥700 |
≥800 |
|
Connection 1 |
External API 2- 3/8” |
Inner API 2- 3/8” |
|
Connection 2 |
ф54-6 |
ф65-6 |
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