Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
To survive with high quality,to develop with non-stop innovation,to repute with thoughtful service,to brand with great sincerity
Add to Cart
Down the Hole Equipment NUMA125/Hyper 141 DTH Hammer For Foundation Pile / Water Well Drilling
1.Product Description
2.Detailed structure information
| QL120 General Specifications | ||
| Quantum Leap Hammer Model | NUMA125 DTH Hammer | |
| Description of Item | Standard | |
| English | Metric | |
| Standard drill pipe connection (see options) | 7-5/8 API reg pin | |
| Outside diameter (inch & mm) | 12.5 | 320 |
| Length w/o bit shoulder to shoulder (inch & mm) | 72.3 | 1,837 |
| Length with bit extended (inch & mm) | 82 | 2,083 |
| Length with bit retracted (inch & mm) | 80 | 2,032 |
| Weight w/o bit (lb & kg) | 1,430 | 650 |
| Backhead across flats (inch) | 4 x 1 AF | |
| Minimum bit size (inch & mm) | 12.25 | 311 |
| Maximum bit size (inch & mm) | 22 | 559 |
| Bore (inch & mm) | 9.25 | 235 |
| Piston weight (lb & kg) | 350 | 159 |
| Stroke (inch & mm) | 5 | 127 |
| Maximum pressure differential (psig & bar) | 250 | 17 |
| Maximum choke diameter (inch & mm) | 0.75 | 19 |
| Make-up torque (ft-lb. & N-m) | 12,000 | 16,248 |
| Shank style | Numa125 | |
| Bit Shank | Thread connection | Work Pressure(Mpa) | Air consumption at 2.4Mpa |
| Numa125 | API 7 5/8"Reg Pin | 1.7-2.4 | 62.3 |
| Hole Range | Length Without bit | Recommended Speed (r/min) | Impact rate at 1.7Mpa |
| 305-445mm | 1598mm | 15-25Rpm | 20Hz |
| Weight | External diameter(mm) | ||
| 650kg | 320mm |
3.Product Application
-----Construction Foundation piling drilling,can match to Kinds of Drill Rig,like Drilltech,CASAGRANDE,Solimec
-----Water well drilling
-----Oil and Gas open hole drilling
4.Photos
