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Your present position:Home> PRODUCTS>Efficient DTH Hammer

Efficient D.T.H Hammer (High Air Pressure without Foot Valve)

Size
DTH Hammer Valveless
Connection Thread
Suitable bit
Working pressure
2"
BR2   DTH hammer Valveless
RD50 box
70-90mm
7-17.5 bar
3"
DHD3.5/COP32/COP34/QL30/M30/
BR3/BR33/XL3/Mach303 DTH hammer valveless
API 2 3/8" Reg
90-110mm
10-15 bar
4"
DHD340/COP44/QL40/SD4/M40/
Mach44/TD40(COP44 gold) DTH hammer Valveless
API 2 3/8" Reg
110-135mm
10-25 bar
5"
DHD350/COP54/QL50/SD5/M50 Valveless
API 2 3/8" Reg
API 3 1/2" Reg
135-155mm
10-25 bar
6"
DHD360/COP64/QL60/SD6/
M60/TD60 (COP64 gold) DTH hammer valveless
API 3 1/2" Reg
155-190mm
10-25 bar
8"
DHD380/COP84/QL80/SD8/M80 DTH hammer valveless
API 4 1/2’’ Reg
195-254mm
10-25 bar
10"
SD10/NUMA100/COP10 DTH hammer valveless
API 6 5/8" Reg
254-311mm
10-25 bar
12"
DHD112/NUMA120/NUMA125 DTH hammer valveless
API 6 5/8" Reg
305-445mm
        10-25 bar

 

DTH hammer Valveless,Atlas Copco,Sandvik,Numa,Bulroc type.

DTH hammer type
JD25A
JD3A
JD4A
JD45S
Length(less bit) mm
872
888
1011
986
Weight(less bit) kg
16
25
43.2
37
External diameter mm
71
82
99
92
Bit shank
HD25
IR3.5
COP44 DHD340
COP44 DHD340
Hole range(mm)
76-90
90-115
110-135
105-120
Connection thread
T42*10*1.5
API 2 3/8"Reg
API 2 3/8"Reg
API 2 3/8"Reg
 
 
 
 
Working pressure
1.0-1.5Mpa
1.0-1.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
Impact rate at 1.5/1.7Mpa
25Hz
25Hz
30Hz
30Hz
Recommended Rotation speed
22-35r/min
25-40r/min
22-35r/min
25-40r/min
Air consumption
1.0Mpa
4.0m3/min
3.8m3/min
6.0m3/min
5.0m3/min
1.5/1.8Mpa
6.0m3/min
7.5m3/min
10.0m3/min
8.0m3/min
2.4Mpa
/
/
15.0m3/min
13.0m3/min
 
DTH hammer type
SD4A
Mission40
QL40A
JD5A
Length(less bit) mm
1012
1005
1070
1110
Weight(less bit) kg
40
40
40
69
External diameter mm
99
99
99
125
Bit shank
SD4
Mission40
QL40
COP54 DHD350R
Hole range(mm)
110-135
110-135
110-135
135-155
Connection thread
API 2 3/8"Reg
API 2 3/8"Reg
API 2 3/8"Reg
API 2 3/8"Reg
 
 
 
API 3 1/2"Reg
Working pressure
1.5-2.0Mpa
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
Impact rate at 1.5/1.7Mpa
30Hz
30Hz
30Hz
28Hz
Recommended Rotation speed
25-40r/min
25-40r/min
25-40r/min
20-35r/min
Air consumption
1.0Mpa
6.0m3/min
5.0m3/min
5.0m3/min
7.0m3/min
1.5/1.8Mpa
9.0m3/min
9.0m3/min
9.0m3/min
14.0m3/min
2.4Mpa
14.0m3/min
14.0m3/min
14.0m3/min
19.0m3/min
 
DTH hammer type
JD55S
JD55C(A)
Mission50
SD5A
Length(less bit) mm
1110
1102
1110
1090
Weight(less bit) kg
66
68
68.5
70
External diameter mm
116
125
125
125
Bit shank
COP54 DHD350R
JD5C DHD350Q
Mission50
SD5
Hole range(mm)
127-145
135-155
135-155
135-155
Connection thread
API 2 3/8"Reg
API 2 3/8"Reg
API 2 3/8"Reg
API 2 3/8"Reg
API 3 1/2"Reg
API 3 1/2"Reg
API 3 1/2"Reg
API 3 1/2"Reg
Working pressure
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
Impact rate at 1.5/1.7Mpa
28Hz
28Hz
28Hz
28Hz
Recommended Rotation speed
20-35r/min
20-35r/min
20-35r/min
20-35r/min
Air consumption
1.0Mpa
7.0m3/min
8.0m3/min
7.0m3/min
7.0m3/min
1.5/1.8Mpa
13.5m3/min
14.0m3/min
14.0m3/min
14.0m3/min
2.4Mpa
18.0m3/min
19.0m3/min
19.0m3/min
19.0m3/min
 
DTH hammer type
QL50A
JD6A
Mission60
SD6A
Length(less bit) mm
1090
1238
1161
1182
Weight(less bit) kg
67
98
90
90
External diameter mm
125
142
146
146
Bit shank
QL50
COP64 DHD360
Mission60
SD6
Hole range(mm)
135-155
155-203
155-203
155-203
Connection thread
API 2 3/8"Reg
API 3 1/2"Reg
API 3 1/2"Reg
API 3 1/2"Reg
API 3 1/2"Reg
 
 
 
Working pressure
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
Impact rate at 1.5/1.7Mpa
28Hz
25Hz
25Hz
25Hz
Recommended Rotation speed
20-35r/min
20-30r/min
20-30r/min
20-30r/min
Air consumption
1.0Mpa
7.0m3/min
9.0m3/min
9.0m3/min
9.0m3/min
1.5/1.8Mpa
14.0m3/min
18.0m3/min
18.0m3/min
18.0m3/min
2.4Mpa
19.0m3/min
26.0m3/min
26.0m3/min
26.0m3/min
 
DTH hammer type
QL60A
JD7A
JD8A
Mission80
Length(less bit) mm
1183
1258
1359
1338
Weight(less bit) kg
92
120
175
176
External diameter mm
146
165
180
180
Bit shank
QL60
COP64 DHD360
COP84 DHD380
Mission80
Hole range(mm)
155-203
175-216
195-254
195-254
Connection thread
API 3 1/2"Reg
API 3 1/2"Reg
API 4 1/2"Reg
API 4 1/2"Reg
 
 
 
 
Working pressure
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
Impact rate at 1.5/1.7Mpa
25Hz
23Hz
22Hz
22Hz
Recommended Rotation speed
20-30r/min
20-30r/min
15-25r/min
15-25r/min
Air consumption
1.0Mpa
9.0m3/min
11.0m3/min
12.0m3/min
12.0m3/min
1.5/1.8Mpa
18.0m3/min
20.0m3/min
22.0m3/min
22.0m3/min
2.4Mpa
26.0m3/min
28.0m3/min
28.0m3/min
28.0m3/min

 

 

DTH hammer type
SD8A
QL80A
QL95A
SD10A
Length(less bit) mm
1330
1330
1340
1525
Weight(less bit) kg
174
171
203
316
External diameter mm
180
180
203
226
Bit shank
SD8
QL80
QL80
SD10
Hole range(mm)
195-254
195-254
216-254
254-311
Connection thread
API 4 1/2"Reg
API 4 1/2"Reg
API 4 1/2"Reg
API 6 5/8"Reg
 
 
 
 
Working pressure
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
Impact rate at 1.5/1.7Mpa
22Hz
22Hz
22Hz
20Hz
Recommended Rotation speed
15-25r/min
15-25r/min
15-25r/min
15-25r/min
Air consumption
1.0Mpa
12.0m3/min
12.0m3/min
16.0m3/min
22.0m3/min
1.5/1.8Mpa
22.0m3/min
22.0m3/min
28.0m3/min
40.0m3/min
2.4Mpa
28.0m3/min
28.0m3/min
39.0m3/min
65.0m3/min
 
 
DTH hammer type
Numa100A
DHD1120A
SD12A
Numa120A
Numa125A
Length(less bit) mm
1545
1880
1860
1880
1880
Weight(less bit) kg
305
474
480
475
470
External diameter mm
226
275
275
275
275
Bit shank
NUMA100
DHD1120
SD12
NUMA120
NUMA125
Hole range(mm)
254-311
305-445
305-445
305-445
305-445
Connection thread
API 6 5/8"Reg
API 6 5/8"Reg
API 6 5/8"Reg
API 6 5/8"Reg
API 6 5/8"Reg
 
 
 
 
 
Working pressure
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
1.0-2.5Mpa
Impact rate at 1.5/1.7Mpa
20Hz
20Hz
20Hz
20Hz
20Hz
Recommended Rotation speed
15-25r/min
15-25r/min
15-25r/min
15-25r/min
15-25r/min
Air consumption
1.0Mpa
22.0m3/min
28.0m3/min
28.0m3/min
28.0m3/min
28.0m3/min
1.5/1.8Mpa
40.0m3/min
50.0m3/min
50.0m3/min
50.0m3/min
50.0m3/min
2.4Mpa
65.0m3/min
71.0m3/min
71.0m3/min
71.0m3/min
71.0m3/min

 

 

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