| Customization: | Available |
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| Size: | Middle |
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| Product Name: | CIR90 down the hole DTH drill hammer | |||||
| Description: | CIR90 down the hole DTH drill hammer were used for blast hole drilling and water well drilling project. Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining, Marble quarry or well drilling and other construction projects. |
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| Quality level: | 95% similarity to COP/SD/MISSION/QL/BR/DHD etc famous brand | |||||
| MOQ: | No requirement for testing and trial order | |||||
| Series: | COP/ SD/ DHD/ IR/ Mission/ QL/ BR/ CIR etc | |||||
| Specification: | Weight (kg) | External Diameter (mm) | Connection thread | Hole rang (mm) | Impact rate | Recommended rotation speed |
| Low air pressure DTH hammer CIR type | 5 ~22 | 50~180 | CIR** | 55~200 | 820 rpm | |
| Middle air pressure BR & COP type | 10~30 | 70~110 | 85~115 | |||
| 3 inch DTH hammer COP34/QL30 etc |
24.5 | 81 | API 2 3/8" Reg | 90~110 | 28Hz (at 17 bar) | 28 r/min |
| 4 inch DTH hammer COP44/DHD340 etc |
39.2 | 99 | API 2 3/8" Reg | 110~150 | 27Hz (at 17 bar) | 25~40 r/min |
| 5 inch DTH hammer COP54/Mission50 etc |
71.5 | 125 | API 2 3/8" or API 3 1/2" Reg | 135~165 | 25Hz (at 17 bar) | 20~30 r/min |
| 6 inch DTH hammer COP64/QL60 etc |
98 | 142 | API 3 1/2" Reg | 152~216 | 23Hz (at 17 bar) | 15~25 r/min |
| 8 inch DTH hammer COP84/SD8 etc |
188 | 180 | API 4 1/2" Reg | 203~305 | 20Hz (at 17 bar) | 15~20 r/min |
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