3 inch DTH hammer fast drilling speed BR3 impacter for quarry drilling with low-mid air pressure
BR3 DTH hammers are designed to operate effciently at low air pressures and medium air pressures,using BR series bits. With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.
| Lengtgh(Without bit) | Weight(Without bit) | External diameter | Bit Shank | Hole Range | Connection Thread (Top sub- drill pipe) |
| 873mm | 24.6kg | ɸ82mm | BR5 | ɸ90mm-ɸ110mm | API 2 3/8" Reg |
| Working Pressure | Impact rate at 14bar (reference) | Speed recommended | Pull force recommended | Reference Air consumption(m3/min) |
| 7-20Bar | 32Hz | 30-70rpm | 5kN | 14Bar | 17.2Bar | 20.7Bar | 24Bar |
| 8.0 | 10.5 | 一 | 一 |
Main Features:
1.The operating air pressure are between 0.7Mpa and 20Mpa.
2.Valveless hammers.
3.Simple structure,easy to assemble and to disassemble,long life span.
4.Higher impaction 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.
7.Bit without foot valve,
High Air Pressure DTH hammers(3''-12'') we can offer:
1.ND(DHD Shank) series high air pressure DTH hammer includes:DHD3.5,DHD340,DHD350R,DHD360,DHD380,DHD1120
2.QL series high air pressure DTH hammer includes:QL40,QL50,QL60,QL80
3.SD series high air pressure DTH hammer includes:SD4,SD5,SD6,SD8,SD10,SD12
4.NUMA series high air pressure DTH hammer includes:NUMA100,NUMA120,NUMA125
5.COP series high air pressure DTH hammer includes:COP44,COP54,COP64,COP84
Connect Thread : API 2 3/8" , API 3 1/2 , Reg-6 5/8"Reg etc.
Company Information:
The MIROC® Rock Drilling Tools product line by KSQ Tecnologies (Beijing) Co.Ltd. is the result of years of advanced engineering, precision manufacturing,and dedication to the use of high quality materials.MIROC® Rock Drilling Tools are used by many drilling professionals related tomining, construction, tunneling, and quarrying projects around the globe.
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, production, and application. The company has adopted advanced manufacturing processes to ensure high quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand clients’ drilling needs, and have the service skills to recommend the right drilling tools for the job. Its experienced product developers can also create custom tools. Furthermore, the company’s development team introduces innovative products each year – tools that are rigorously tested in the field and proven to perform beyond industry expectations.
MIROC® Rock Drilling Tools include:
Top Hammer Drilling Tools
Down-the-hole (DTH) Drilling Tools
PDC Bits
Tricone Bits
Product Tags:
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Fast Drilling Speed Dth Bits And Hammers 3 Inch Br3 Impacter Customized Color Images
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