BR1 BR2 BR3 Middle Low Air Pressure Down Hole Drilling Tools Dth
Hammer
Applications
1. Underground mining
2. Quarry benching operations
3. Water well drilling
Middle-Low Air Pressure DTH Hammer
The Characteristics of Middle-Low Air Pressure DTH Hammers
Features:
KBR1A, KBR2A and KBR3A series DTH hammers are designed to operate
efficiently at low air pressures and medium air pressures, using BR
series bits.
Product name | DTH Hammer |
Material | Alloy Steel&Tungsten Carbide |
Use | Underground Mining,Water well,Mining,Quarry etc. |
Color | Green&Others |
Heat treatment | Anneal |
Shank series |
DHD,COP,MISSION, SD, DHD, BR, QL, BR,CIR etc.
|
Application | heavy construction,Ore Drilling, mining, oil and gas, quarries |
Hole
|
60-305mm
|
Size | 2/3/4/5/6/7/8/9/10/12/14 inches |
Advantage | High Performance and factory price |
The main features are as following:
1. The operating air pressure are between 0.7 MPa and 1.75 MPa.
2. Valveless hammers.
3. Simple structure, easy to assemble and to disassemble, long life
span.
4. Higher impact frequency and faster drilling speed.
5. Lower air consumption and lower oil consumption. A hole can be
drilled on the check valve to provide more efficient cuttings
discharge.
6. Especially suitable for quarrying.
| Middle-low Air Pressure DTH Hammers - KBR Series DTH Hammer |
| Model | KBR1A | KBR2A | KBR3A |
| Length (Without Bit) | 760mm | 880mm | 889mm |
| Weight (Without Bit) | 10.00kg | 14.50kg | 26.00kg |
| External Diameter | φ54mm | φ62mm | φ82mm |
| Bit Shank | BR1 | BR2 | BR3 |
| Hole Range | φ64 - φ76mm | φ70- φ90mm | φ90- φ110mm |
| Connection Thread | Br40, Box | Rd50, Box | API 2 3/8 '' Reg |
| Working Pressure | 1.0 - 1.5 Mpa | 1.0 - 1.5 Mpa | 1.0 - 1.5 Mpa |
| Impact Rate at 17 Bar | 27HZ | 25HZ | 25HZ |
| Recommended Rotation Speed | 25 - 40 r/min | 25 - 40 r/min | 25 - 40 r/min |
| Air Consumption | 0.7Mpa: 1.5 m³/ min | 0.7Mpa: 2.5 m³/ min | 0.7Mpa: 4 m³/ min |
| 1.0Mpa: 2.5 m³/ min | 1.0Mpa: 4 m³/ min | 1.0Mpa: 6 m³/ min |
| 1.4Mpa: 3 m³/ min | 1.4Mpa: 5 m³/ min | 1.4Mpa: 8 m³/ min |
DTH молоток/DTH hammer/ค้อน DTH/Down The Hole Hammers/Abajo los
martillos del agujero/Por el agujero Martillos/Martillos
DTH/Herramientas de martillo DTH/เครื่องมือค้อนทุบ DTH/DTH Hammer
Tools
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