Medium Pressure DTH Hammer
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Features
1. Designed using the latest rock drilling technology, the medium pressure DTH hammer has a reasonable internal structure which ensures perfect energy transmission and provides large single impact energy, high impact efficiency and low air consumption.
2. Depending on the most premium quality raw materials and the best-in-class processing technology, the down-the-hole drilling tool is featured by more stable performance and longer service life.
3. With simple structure, the drill rig parts deliver ease of assembling and disassembling, low failure rate and convenient maintenance.
| Medium Pressure DTH Hammers Technical Parameters | ||
| Models | ||
| (mm)/Drilling diameter | Φ90~120 | Φ110~150 |
| (mm)/Hammer length | 870 | 917 |
| (mm)/External diameter | Φ80.5 | Φ98 |
| (Kg)/Weight | 25 | 36 |
| ( Mpa )/Working pressure | 0.8~1.2 | 0.8~1.2 |
| (m3/min)/Air consumption | 6 | 11 |
| (N·M)/Torque | 180 | 300 |
| (bpm)/Impact frequency | ≥700 | ≥800 |
| Top sub (Connection to drill string) | API 2-3/8" Reg Pin (male thread) | API 2-3/8" Reg Box (Female thread) |
| Drive sub (Connection to drill bit) | Φ54-6 | Φ65-6 |
| Bit shank | SPM930-90/100/105/110/120/130 | SPM4.5-110/120/130/140/150 |
| Code name: SPM Model No. For example: SPM930, SPM4.5 ※ Above technical parameters are used for reference only. | ||
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