Product Overview
BR1 Quarry Mining Medium Air Pressure DTH Hammer
This series includes the BR1, BR2, and BR3 models, designed for efficient drilling performance across various geological conditions.
Design Highlights
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Operating air pressures are optimized between 0.8Mpa and 1.5Mpa.
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Advanced valveless hammer design for increased reliability.
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Simple structure allows for easy assembly, disassembly, and longer service life.
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Higher impact frequency resulting in significantly faster drilling speeds.
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Enhanced efficiency with lower air and oil consumption.
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Engineered specifically for demanding quarrying environments.
Applications
These hammers are widely utilized in the following sectors:
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Mining and Quarrying operations
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Road construction (drilling and blasting)
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Water well drilling and slope protection
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Anchoring and foundation work
Available DTH Hammer Series
- High pressure series
- Medium pressure series
- Low pressure series
- High efficiency high pressure series
- Reverse circulation series
| Type |
Model |
Length |
Weight |
External Dia.(mm) |
Hole Range |
| (mm) |
(kg) |
(mm) |
| 3.5 inch |
DHD3.5 |
930 |
25 |
Φ82 |
Φ90-110 |
| 4 inch |
DHD340 |
1030 |
39 |
Φ99 |
Φ110-135 |
| SD4 |
1084 |
40.5 |
Φ99 |
| QL4 |
1097 |
41 |
Φ99 |
| Mission40 |
1005 |
40 |
Φ99 |
| 5 inch |
DHD350 |
1214 |
76.5 |
Φ125 |
Φ135-155 |
| SD5 |
1175 |
72.5 |
Φ125 |
| QL5 |
1147 |
73 |
Φ125 |
| Mission50 |
1110 |
68.5 |
Φ125 |
| 6 inch |
DHD360 |
1248 |
100 |
Φ142 |
Φ155-190 |
| SD6 |
1261 |
100 |
Φ142 |
| QL6 |
1212 |
95 |
Φ146 |
| Mission60 |
1161 |
90 |
Φ146 |
| 8 inch |
D85 |
1492 |
188 |
Φ180 |
Φ195-254 |
| SD8 |
1463 |
192 |
Φ180 |
| QL8 |
1465 |
182 |
Φ180 |
| Mission80 |
1338 |
176 |
Φ180 |
| 10 inch |
SD10 |
1502 |
290 |
Φ226 |
Φ254-311 |
| NUMA100 |
1510 |
288 |
Φ226 |
Detailed Specifications: BR1 DTH Hammer
| Hammer Length without bit: |
698 (mm) |
| Top sub thread: |
RD40 BOX |
| Outside diameter: |
56 (mm) |
| Weight: |
8.8 (KG) |
| Bit diameter: |
64-76 (mm) |
| Working Pressure: |
0.8-1.5MPa |
| Air consumption: |
3 (M3/min) |
| Bit shank: |
BR1 |
Frequently Asked Questions
What is the optimal operating air pressure for the BR1 DTH Hammer?
The BR1 DTH Hammer is designed to operate efficiently at air pressures between 0.8 Mpa and 1.5 Mpa, making it suitable for medium-pressure drilling applications.
What are the primary advantages of the valveless design?
The valveless hammer design provides a simpler internal structure, which leads to easier maintenance, reduced risk of failure, and a longer overall service life for the tool.
Which industries benefit most from using these DTH hammers?
They are extensively used in mining, quarrying, road construction for blasting, water well drilling, anchoring projects, and slope protection.
What range of hole diameters can the BR1 Hammer drill?
The BR1 Hammer is compatible with bit diameters ranging from 64mm to 76mm.
What series of DTH hammers are available for selection?
We offer a comprehensive range including High, Medium, and Low-pressure series, as well as High-Efficiency High Pressure and Reverse Circulation series.
Is the hammer easy to assemble on-site?
Yes, one of the design highlights of this series is its simple structure, which allows for quick and easy assembly and disassembly in the field.
KAT DRILLING
