High Air Pressure Down The Hole Hammer With Foot Valve 10 Inch HSD10 Shank
Big Hole Drilling Down The Hole Hammer 10 Inch HSD Series HSD10 For SD10 Shank
It is a kind of valveless high air pressure DTH hammer with foot valve.
Advantages:
1. Valveless air distribution, more reliable;
2. Piston with simple but compact design, long life;
3. More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
4. Fewer internal parts, simple structure, longer life, less failure and easier to maintain, with the all heat treated parts;
5. Easy to disassemble, thanks for the top sub, drive chuck and external cylinder all are connected by multi-step thread.
Products specifications:
| Shank | HSD10 |
| Length (less bit) | 1502mm |
| Outer diameter | 225mm |
| Top sub thread | API 4 1/2" REG pin/API 6 5/8" REG pin |
| Weight (less bit) | 290kg (638lbs) |
| Hole range | 254mm-311mm |
| Working pressure | 10-25bar |
| Impact rate at 1.7 Mpa | 18Hz |
| Recommended rotation speed | 15-25 r/min |
| Air consumption at 10-24 bar | 777-1942CFM |
DTH bits 254-311mm for above hammers can be available.
Our HSD serises shank for internationa standard SD shank DTH hammer specifications:
| DTH hammer type | HSD4 | HSD5 | HSD6 | HSD8 | HSD10 | HSD12 | |
| Length(less bit) mm | 1005 | 1175 | 1261 | 1463 | 1502 | 1880 | |
| Weight(less bit) kg | 40kg(88lbs) | 72kg(158lbs) | 100kg(220lbs) | 192kg(422lbs) | 290kg | 487kg | |
| External diameter mm | Φ99 | Φ125 | Φ146-148 | Φ185 | Φ225 | Φ275 | |
| Bit shank | SD4 | SD5 | SD6 | SD8 | SD10 | SD12 | |
| Hole range(mm) | Φ110-130mm | Φ135-165mm | Φ155-1-203mm | 195mm-254mm | 254mm-311mm | 305mm-455mm | |
| Connection thread | API 2 3/8"Reg | API 2 3/8"Reg | API 2 3/8"Reg | API 4 1/2"Reg | API 6 5/8" Reg | API 6 5/8" Reg | |
| Working pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-3.0Mpa | 1.0-3.0Mpa | 1.0-3.0Mpa | 1.0-3.0Mpa | |
| Impact rate at 1.5-1.7Mpa | 30Hz | 25Hz | 25Hz | 22Hz | 18Hz | ||
| Recommended Rotation speed | 25-40r/min | 25-40r/min | 20-30r/min | 15-25r/min | 15-25r/min | 15-25r/min | |
| Air consumption | 1.0Mpa | 6m3/min | 9m3/min | 10m3/min | 15m3/min | 22m3/min | 30m3/min |
| 1.8Mpa | 10m3/min | 15m3/min | 20m3/min | 26m3/min | 40m3/min | 56m3/min | |
| 2.4Mpa | 15m3/min | 23m3/min | 28.5m3/min | 34m3/min | 55m3/min | 78m3/min | |
Quality warranty:
Our hammers are made of high quality steel and all spares are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.
Malaysia, etc.
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