SD12A DTH Hammer (SD12)
SD12A DTH Hammer (SD12) Down The Hole Hammer for Quarries Drilling
Roschen down the hole hammer for Mining, quarries, highways and other projects drilling blasting holes, retaining the hole, the mountain reinforcement, anchoring and other engineering holes, geothermal air conditioning holes, wells and other fields.
| Basic Info |
| Model NO |
QL6A-Match bit shank QL60 |
| Condition |
New |
| Mining Object |
Mining |
| Transport Package |
Poly Wood |
| Origin |
Germany China |
| Usage |
Coal, Ore, Water Well |
| Power Type |
Pneumatic |
| Trademark |
ROSCHEN |
| Specification |
ISO,CE |
| HS Code |
8412310090 |
Description:
It is a kind of high air pressure DTH Hammer without footvalve, our newest design. It is also one of the most advanced DTH Hammers in the world.
It has the following advantages:
1. Out of the trouble of foot valve fracture and expansion and contraction.
2. Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.
3. Simple structure, reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.
| Length (exclude bit) |
Weight (exclude bit) |
External Diameter |
Bit Shank |
Hole Range |
Connection Thread |
| 1860 mm |
480.00 kg |
Φ275 mm |
SD12 |
Φ305mm ~ Φ445mm |
API 6 5/8'' Reg |
| Working Pressure |
Impact rate at 0.5 MPa |
Recommended Rotary Speed |
Air Consumption |
| 1.0 MPa |
1.8 MPa |
2.4 MPa |
| 1.0 ~ 2.5 MPa |
20 Hz |
15~25 rpm |
28 m³/min |
50 m³/min |
71 m³/min |
| 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 52 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 |
23m3/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 |
| 10" |
SD10 |
ROS 100 |
API 6 5/8" Reg |
￠254-￠311mm |
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 |
1.0-2.5Mpa |
1.0Mpa |
30m3/min |
| SD12 |
1.8Mpa |
56m3/min |
| Numa120 |
2.4Mpa |
78m3/min |
| Notes: Metzke, Remet thread is available! |
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.net ; http://www.roschen.cn
http://www.roschen.com ; http://www.roschengroup.com
Product Tags:
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SD12A DTH Hammer (SD12) Down The Hole Hammer for Quarries Drilling Images
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