Advantage:1.Valveless air distribution. More reliable.
2.Simple design of the piston. Long life span.
3.More efficient energy transfer, faster drilling speed, lower air and oil consumption.
4.Fewer internal parts, simple structure, less failure and easier to maintain because all the parts are heat treated.
5. Easy to disassemble because the stop sub, the drive chuck and the external cylinder are connected by multiple steps thread.High air pressure with valve DTH hammer KD1120
Parameters of DTH HAMMER KD1120 Length without bit | 1900mm |
Weight without bit | 480KG |
Out Diameter | Φ275mm |
Bit Shank | DHD1120 |
Hole Range | Φ305-445mm |
Connection Thread | API 6⅝" Reg |
Operating pressure | 10-25Bar |
Impact rate at 0.5Mpa | 16HZ |
Recommended rotation speed | 15-25r/min |
Technical Data of KD other models: | KD35 | KD45 | KD55 | KD65 | KD85 |
Length without bit | 930mm | 1031mm | 1214mm | 1248mm | 1492mm |
Weight without bit | 25kg | 39kg | 76.5kg | 100kg | 188kg |
Out Diameter | Φ82mm | Φ99mm | Φ125mm | Φ142mm | Φ180mm |
Bit Shank | DHD3.5 | COP44/DHD340 | COP54/DHD350R | COP64/DHD360 | COP84/DHD380 |
Hole Range | Φ90-110mm | Φ110-135mm | Φ135-155mm | Φ155-190mm | Φ195-254mm |
Connection Thread | API 2⅜"Reg | API 2⅜"Reg | API 2⅜"Reg API 3 ½ "Reg | API 3 ½ "Reg | API 4 ½ "Reg |
Working Pressure | 10-15Bar | 12-20Bar | 13-23Bar | 15-25Bar | 15-30Bar |
Impact Rate at 17Bar | 28HZ | 27HZ | 25HZ | 23HZ | 27HZ |
Recommended rotation speed | 25-40r/min | 25-40r/min | 20-35r/min | 20-30r/min | 20-30r/min |
Air consumption | 10Bar:4.5m³/min | 10Bar:6m³/min | 10Bar:9m³/min | 10Bar:10m³/min | 10Bar:15m³/min |
15Bar:9m³/min | 18Bar:10m³/min | 18Bar:15m³/min | 18Bar:20m³/min | 18Bar:26m³/min |
24Bar:15m³/min | 24Bar:23m³/min | 24Bar:28.5m³/min | 24Bar:34m³/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, Middle-Low Air Pressure 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.