Middle-Low Air Pressure DTH hammer BR3A from Kimdrill
Advantage:1.The working air pressure are between 7Bar and 17.5Bar.
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 and oil consumption. A hole can be drilled on the check valve to provide more efficient cutting discharge.
6. Especially suitable for quarrying.Technical Data of BR Series: | BR1A | BR2A | BR3A |
Length without bit | 760mm | 880mm | 889mm |
Weight without bit | 10kg | 14.5kg | 26kg |
Out Diameter | Φ54mm | Φ62mm | Φ82mm |
Bit Shank | BR1 | BR2A | BR3A |
Hole Range | Φ64-76mm | Φ70-90mm | Φ90-110mm |
Connection Thread | RD40 BOX | RD50 BOX | API 2⅜"Reg |
Working Pressure | 7-17.5Bar | 7-17.5Bar | 7-17.5Bar |
Impact Rate at 5Bar | 27HZ | 25HZ | 25HZ |
Recommended rotation speed | 25-40r/min | 25-40r/min | 20-40r/min |
Air consumption | 7Bar:1.5m³/min | 7Bar:2.5m³/min | 10Bar:4m³/min |
10Bar:2.5m³/min 14Bar:3m³/min | 10Bar:4m³/min 14Bar:5m³/min | 10Bar:6m³/min 14Bar:8m³/min |
Package and Delivery:DTH hammer and bits are always packed in wooden case. The cargo are shipped by sea or air according to the client's request. Sample order can be shipped by express such as DHL, FEDEX,UPS and so on.
Related Products:Kimdrill also can offer Low Air Pressure DTH Hammers, High Air Pressure without foot vlave DTH Hammers, High Air Pressure with foot vlave DTH Hammers, Big Hole High Air Pressure DTH Hammers, R.C. Hammers and DTH bits.
Our Factory:Kimdrill Industrial Co. Limited focuses on Drilling Tools since 2008. Headquatered in Changsha, we have been engaged in offering full range of tools for mining exploration, water-well drilling and oil drilling.
FAQ:Q: What about the after sales service of Kimdrill?
A: Kimdrill offers good service in and after sales. All of our products are with warranty period.
Q: Could the visiting of factory be possible?
A: We warmly welcome customers to visit our factory anytime. Besides the visiting of factory, we also warmly welcome customers or the third parties to arrange inspection before delivery.
Q: What is the payment term?
A: We accept TT or Western Union.
Q: How about the lead time?
A: Generally, the lead time is about 7-10 working days. The specific lead time will be offered in every quotation sheet.