BR1 Quarry Mining High Air Pressure DTH Hammer
Providing high-performance drilling solutions with the BIR SERIES DTH Hammers, specifically engineered for BR1, BR2, and BR3 specifications. These tools are designed to maximize efficiency in demanding geological conditions.
DESIGN HIGHLIGHTS
1
Operating air pressures optimized between 0.8Mpa and 1.5Mpa.
2
Advanced valveless hammer design for consistent power delivery.
3
Simple structure: easy to assemble, disassemble, and maintain.
4
Higher impact frequency leading to significantly faster drilling speeds.
5
Eco-friendly engineering with lower air and oil consumption.
6
Heavy-duty construction, especially suitable for professional quarrying.
APPLICATIONS
These versatile DTH hammers are widely utilized across multiple industries for diverse drilling tasks:
Mining & Quarrying
Road Construction
Drilling & Blasting
Water Well Drilling
Slope Protection
Anchoring Projects
DTH HAMMER SERIES RANGE
- • High pressure series
- • Medium pressure series
- • Low pressure series
- • High efficiency high pressure series
- • Reverse circulation series
| Type |
Model |
Length (mm) |
Weight (kg) |
External Dia. (mm) |
Hole Range (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 |
BR2 DTH HAMMERS SPECIFICATIONS
| BR2 Technical Data |
| Hammer Length without bit | 810 (mm) |
| Top sub thread | RD50 BOX |
| Outside diameter | 64 (mm) |
| Weight | 12.5 (KG) |
| Bit diameter | 70-90 (mm) |
| Working Pressure | 0.8-1.5MPa |
| Air consumption | 3-4.5 (M3/min) |
| Bit shank | BR2 |
Frequently Asked Questions
1. What is the recommended operating air pressure for the BR series?
The BR series DTH hammers are designed to operate efficiently at air pressures ranging between 0.8Mpa and 1.5Mpa.
2. What makes these hammers suitable for quarrying?
Their high impact frequency and faster drilling speed, combined with a robust simple structure, make them ideal for the rigorous demands of quarry mining.
3. Is the BR series easy to maintain?
Yes, the valveless design and simple internal structure allow for easy assembly and disassembly, ensuring a long service life and reduced downtime.
4. How does the hammer contribute to cost-saving?
These hammers are engineered for lower air and oil consumption without sacrificing power, which reduces overall operational costs.
5. What range of hole diameters can be achieved?
Depending on the model (from 3.5 inch to 10 inch), the hole range can vary from Φ90mm up to Φ311mm.
6. Can these hammers be used for water well drilling?
Absolutely. Besides quarrying and mining, they are widely used for water well drilling, anchoring, and slope protection.
KAT DRILLING
