DTH Hammer Drill For Mining,oil, gas,water well

ROSCHEN down the hole hammers have been proven superior performance and adaptability in many different application. We provide the most versatile and cost effective rock drilling method available to date. The Down-The-Hole hammer is designed to increase efficiency in drilling as well as...

Product Details

ROSCHEN down the hole hammers have been proven superior performance and adaptability in many different application. We provide the most versatile and cost effective rock drilling method available to date. The Down-The-Hole hammer is designed to increase efficiency in drilling as well as conventional drilling. 

DTH hammer

DTH hammer


down the hole hammer

down the hole hammer


dth hammer drill

dth hammer drill


DTH hammers series has six main series, it serves to drilling projects in mining, water well, geothermal, foundation, oil and gas. size if from 2inch to 24inch, Choosing the right hammer is largely determined by hole size and rock formation. We design our hammers with different outstanding advantages, and provide the various shanks for international use.


ROSCHEN are the manufacturer to supply the optimum performance and the competitive price in every single application.


Roschen offers a wide range of suitable products for a variety of drilling operations. Our store is as one of the reliable suppliers and exporters . We offer a wide range of DTH hammers, made from quality material, which are suitable for diversified drilling operations. Different sizes and designs are available at our stock.


Features and advantages:

1. Valveless air distribution. More reliable.
2. Simple design of the piston. Long life.
3. More efficient energy transfer, fact drilling speed, lower air consumption and lower oil consumption.
4. Fewer internal parts, simple structure, long life, less failure and easier to maintain because all the parts are heat treated.
5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread

Pay attention that the Down the Hole (DTH) hammer is designed for drilling multi-size holes whatever the rock type’s demand. It should be noted when a piston, DTH hammer’s element, gets in touch with the drill bit, it produces no loss of energy transmitted while the hammer going deeper.


Specifications:

Weight (kg)

External Diameter (mm)

Connection thread

Hole range (mm)

Impact rate

Recommended rotation speed

Low air pressure DTH hammer CIR type

5 ~22

50~180

CIR**

55~200

820 rpm


Middle air pressure BR & COP type

10~30

70~110


85~115



3 inch

24.5

81

API 2 3/8" Reg

90~110

28Hz (at 17 bar)

28 r/min

COP34/QL30 etc

4 inch

39.2

99

API 2 3/8" Reg

110~150

27Hz (at 17 bar)

25~40 r/min

COP44/DHD340 etc

5 inch

71.5

125

API 2 3/8" or API 3 1/2" Reg

135~165

25Hz (at 17 bar)

20~30 r/min

COP54/Mission50 etc

6 inch

98

142

API 3 1/2" Reg

152~216

23Hz (at 17 bar)

15~25 r/min

COP64/QL60 etc

8 inch

188

180

API 4 1/2" Reg

203~305

20Hz (at 17 bar)

15~20 r/min


ROSCHEN   DTH Hammers Specifications

Hammer   Size

Bit   Shank

ROSCHEN   Code

Connection   Thread

Suitable   bit

Working   pressure

Air   consumption

2"

BR2

ROS 11   ROS 22

RD50 box

¢70-¢90mm

0.7-1.75Mpa

0.7Mpa

4.5m3/min

1.0Mpa

4m3/min

1.4Mpa

5m3/min

3"

DHD3.5

ROS 32

API 2   3/8

 Reg

¢90-¢110mm

1.0-1.5Mpa

1.0Mpa

4.5m3/min

COP32/COP34

M30

1.5Mpa

9m3/min

4"

DHD340

ROS 34

API 2   3/8" Reg

¢110-¢135mm

1.0-2.5Mpa

1

0Mpa

6m3/min

COP44

QL40

SD4

1.8Mpa

10m3/min

M40

2.4Mpa

15m3/min

5"

DHD350

ROS 5

 ROS 54

API 2   3/8"Reg/API 3 1/2" Reg

¢135-¢155mm

1.0-2.5Mpa

1.0Mpa

9m3/min

COP54

QL50

SD5

1.8Mpa

15m3/min

M50

2.4Mpa

2

m3/min

6"

DHD360

ROS 62   ROS 64

API 3   1/2" Reg

¢155-¢190mm

1.0-2.5Mpa

1.0Mpa

10m3/min

COP64

QL60

SD6

1.8Mpa

20m3/min

M60

2.4Mpa

28.5m3/min

8"

DHD380

ROS 82   ROS 84

API 4   1/2" Reg

¢195-¢254mm

1.0-2.5Mpa

1.0Mpa

15m3/min

COP84

QL80

1.8Mpa

26m3/min

SD8

2.4Mpa

34m3/min

M80/M85

10"

SD10

ROS 100

API 6   5/8" Reg

¢254-


1.0-2.5Mpa

1.0Mpa

22m3/min

Numa100

1.8Mpa

40m3/min

ROS 100

2.4Mpa

55m3/min

12"

DHD1120

ROS 120

API 6   5/8" Reg

¢305-¢445mm


.

-2.5Mpa

1.0Mpa

30m3/min

SD12

1.8Mpa

56m3/min

Numa120

2.4Mpa

78m3/min

Notes:   Any special size of

DTH bits   will be available by requests.

Metzke,   Remet thread is available!

 

production process

1

2

3


DTH Hammer series:

1. High pressure DTH Hammer

SD series hammer: SD 5, SD 6, SD 8 and SD 12 DTH Hammers.

QL series hammer: QL 50, QL 60, QL 80 DTH Hammers.

HD series hammers: DHD 3.5, DHD 340. DHD 350, DHD 360, DHD380 DTH Hammers.

Mission series hammers: M30, M40, M50, M60, M80 DTH Hammers.

Cop series hammers: Cop 32/34, Cop 42/44, Cop 54/64 DTH Hammers.

2. Low air pressure DTH Hammer
BR1, BR2, CIR 70, CIR 90, J60, J80, J100, J150, etc.


Application

The Down-The-Hole hammer is designed to increase efficiency in drilling as well as conventional drilling. The presented series can be used for multiple purposes such as the geotechnical, mining, quarrying, geothermal, mineral, underground, and other exploration drilling.


We can also provide related products, ODEX system, symmetric systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, dth hammer lubricator , dth hammer piston , dth hammer piles , dth hammer spare parts ,etc.


We are dth hammer manufacturer and dth hammer bits manufacturer, our products quality can compare with sandvik dth hammer/ atlas dth hammer / halco dth hammer. We are suppliers and many dth hammer distributors they buy from us and sale our ROSCHEN products. 

 

how does a dth hammer work? ROSCHEN DTH hammer images in working:

how does a dth hammer work


Service

Terms & Conditions of Ordering:

Quality warranty:

Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.


Package:

Using ply-wooden cases and pallet for package to protect the products and avoid the damage during transportation. Also we can customize package according to your special requests.


Production time:

Generally need 15-25 days


Transportation:

By air, By Express or By sea according to your requests.


Quality & Service:

A. There will be strict inspection and testing for every order before shipping out.

B. Our sales team and Technical Support will response for your question within 24 hours through skype: ROSCHEN.TOOL and WhatsApp/Wechat: +86-13764195009

C. Free replacement will provide once the failure confirmed caused or our product quality


The information about dth drill bit you may like to know before order:

1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight


2. Handling time for an order
Based on order quantity, normally it takes 20 days for production.
in 3 working days after receiving the advance payment


3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.


4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.


5. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time, if you have any problem just contact us freely. 


For more information, please contact:

ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED

Skype: ROSCHEN.TOOL , ROSCHEN_GROUP

WeChat: +86-137 6419 5009 ; +86-135 8585 5390

WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390

Email: roschen@roschen.com ; roschen@roschen.net

Website: http://www.roschen.com ; http://www.roschen.net

http://www.roschen.cn ; http://www.roschendrill.com


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