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DTH(down the hole) Hammers
Features:
- Lower energy consumption,higher impact frequency and drilling speed.
- Simple structure,reliable parts,long life,easy and cheap maintenance.
- Lower air and oil consuption.
Hammer Size
Bit Shank
Hole Range
Connection Thread
Working Pressure
Recommended
Rotation Speed
Air Consumption
1"
BR1
64-76mm
RD40
BOX
0.7-1.75Mpa
25-40r/min
0.7Mpa
1.5m3/min
1.0Mpa
2.5m3/min
1.4Mpa
3m3/min
2"
BR2
MACH20
70-90mm
RD50
BOX
0.7-1.75Mpa
25-40r/min
0.7Mpa
2.5m3/min
1.0Mpa
4m3/min
1.4Mpa
5m3/min
3"
BR3
DHD3.5
COP32/COP34
QL30
MACH303
90-110mm
API
2 3/8" Reg
1.0-2.5Mpa
25-40r/min
1.0Mpa
3.8m3/min
1.5Mpa
7.5m3/min
4"
DHD340
COP44
QL40
SD4
MACH44
110-135mm
API
2 3/8" Reg
1.0-3.0Mpa
25-40r/min
1.0Mpa
6m3/min
1.8Mpa
10m3/min
2.4Mpa
15m3/min
5"
DHD350R
COP54
QL50
SD5
MACH50
135-155mm
API
2 3/8" Reg
API
3 1/2" Reg
1.0-3.0Mpa
20-35r/min
1.0Mpa
7m3/min
1.8Mpa
14m3/min
2.4Mpa
19m3/min
6"
DHD360
COP64
QL60
SD6
155-195mm
API
3 1/2" Reg
1.0-3.0Mpa
20-30r/min
1.0Mpa
9m3/min
1.8Mpa
18m3/min
2.4Mpa
26m3/min
8"
DHD380
COP84
QL80
SD8
195-254mm
API
4 1/2" Reg
1.0-3.0Mpa
15-25r/min
1.0Mpa
12m3/min
1.8Mpa
22m3/min
2.4Mpa
28m3/min
10"
SD10
Numa100
254-311mm
API
6 5/8" Reg
1.0-3.0Mpa
15-25r/min
1.0Mpa
22m3/min
1.8Mpa
40m3/min
2.4Mpa
65m3/min
12"
DHD1120
SD12
Numa120
Numa125
305-445mm
API
6 5/8" Reg
1.0-3.0Mpa
15-25r/min
1.0Mpa
28m3/min
1.8Mpa
50m3/min
2.4Mpa
71m3/min
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