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  • Name: DTH Hammer
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DTH Hammer

With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.

 

High Air Pressure DTH Hammer (with foot valve)

 

DTH hammer type

HD35

HD45

HSD4

HQL4

Length(less bit) mm

930mm

1030

1084

1097

Weight(less bit) kg

25kg

39

40.5

41

External diameter mm

Φ82mm

Φ99

Φ99

Φ99

Bit shank

DHD3.5

COP44 DHD340

SD4

QL40

Hole range(mm)

Φ90-110

Φ110-135

Φ110-135

Φ110-135

Connection thread

API 2 3/8” Reg

API 2 3/8"Reg

API 2 3/8"Reg

API 2 3/8"Reg

 

 

 

 

Working pressure

1.0-1.5Mpa

1.0-2.5Mpa

1.0-2.5Mpa

1.0-2.5Mpa

Impact rate at 1.5-1.7Mpa

28Hz

27Hz

27Hz

27Hz

Recommended Rotation speed

25-40r/min

25-40r/min

25-40r/min

25-40r/min

Air consumption

1.0Mpa

4.5m3/min

6.0m3/min

6.0m3/min

6.0m3/min

1.8Mpa

9.0m3/min

10.0m3/min

10.0m3/min

10.0m3/min

2.4Mpa

/

15.0m3/min

15.0m3/min

15.0m3/min

 

DTH hammer type

HD55

HD55C

HSD5

HQL5

Length(less bit) mm

1214

1160

1175

1156

Weight(less bit) kg

76.5

72.5

72.5

73

External diameter mm

Φ125

Φ125

Φ125

Φ125

Bit shank

COP54 DHD350R

HD55C DHD350Q

SD5

QL50

Hole range(mm)

Φ135-155

Φ135-155

Φ135-155

Φ135-155

Connection thread

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

25Hz

25Hz

25Hz

25Hz

Recommended Rotation speed

20-35r/min

20-35r/min

20-35r/min

20-35r/min

Air consumption

1.0Mpa

9.0m3/min

9.0m3/min

9.0m3/min

9.0m3/min

1.8Mpa

15.0m3/min

15.0m3/min

15.0m3/min

15.0m3/min

2.4Mpa

23.0m3/min

23.0m3/min

23.0m3/min

23.0m3/min

 

 …………………………
  

High Air Pressure DTH Hammer (without foot valve)

 

DTH hammer type

HD25A

HD35A

HD45A

HD45S

Length(less bit) mm

872

888

1011

986

Weight(less bit)  kg

16

25

43.2

37

External diameter  mm

Φ71

Φ82

Φ99

Φ92

Bit shank

HD25

IR3.5

COP44 DHD340

COP44 DHD340

Hole range(mm)

Φ76-90

Φ90-115

Φ110-135

Φ105-120

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

HSD4A

HM4A

HQL4A

HD55A

Length(less bit) mm

1012

1005

1070

1110

Weight(less bit) kg

40

40

40

69

External diameter mm

Φ99

Φ99

Φ99

Φ125

Bit shank

SD4

HM4

QL40

COP54 DHD350R

Hole range(mm)

Φ110-135

Φ110-135

Φ110-135

Φ135-155

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

 

 

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