Active Member
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[China]
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Contact name:Mr. Yingkai Zhang
KSQ Technologies (Beijing) Co. Ltd |
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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:
