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Product Details:
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| Brand: | SOLLROC | Material: | Quality Steel |
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| Air Pressure: | 10-25bar | Bits Dia.: | 135mm- 155mm |
| Air Consuption: | 247-670CFM | Applications: | Blasting Hole |
| Advantage: | Fast Speed And Efficiency | Package: | For Sea Worthy Or Air Worthy |
| Highlight: | oil well drilling tools,water well drilling tools |
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HSD-A Series Tubeless Down The Hole Hammer 5 Inch Hammer Without Footvalve For Shank SD5
High Air Pressure DTH Hammer (without foot valve)
It's a king of high air pressure DTH hammer without footvalve,our newest design. it's also one of the most advanced DTH hammer in the world.
It has the following advantages:
1. Out of the trouble of foot valve fracture and expansion and contraction;
2. Lower energy consumption and higher impact frequency. The drilling speed is 15-30% higher than the one with foot valve;
3. Simple structure, reliable parts, long life, easy and cheap maintenance;
4. Lower air and oil consumption, the oil consumption is about 10% lower than the one with foot valve.
According to your request, the top sub can be made into two spanners, an air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge.
Products specifications:
| Shank | Fit SD5 shank |
| Length (less bit) | 1090mm |
| Outer diameter | 125mm |
| Top sub thread | API 2 3/8" REG pin / API 3 1/2" REG pin |
| Weight (less bit) | 70kg (154lbs) |
| Hole range | 135mm-155mm |
| Working pressure | 10-25bar |
| Impact rate at 1.7 Mpa | 28Hz |
| Recommended rotation speed | 20-35r/min |
| Air consumption at 7-14 bar | 247-670CFM |
Our HSD-A serises (without footvalve/Nylon tube) DTH hammer specifications:
| DTH hammer type | HSD4A | HSD5A | HSD6A | |
| Length(less bit) mm | 1012 | 1090 | 1182 | |
| Weight(less bit) kG | 40kg(88lbs) | 70kg(143lbs) | 90kg (198lbs) | |
| External diameter mm | Φ99 | Φ125 | Φ148 | |
| Bit shank | SD4 | SD5 | SD6 | |
| Hole range(mm) | Φ110-135mm | Φ135-155mm | Φ146-148mm | |
| Connection thread | API 2 3/8"Reg | API 2 3/8"Reg | API 3 1/2"Reg | |
| Working pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 30Hz | 28Hz | 25Hz | |
| Recommended Rotation speed | 25-40r/min | 20-35r/min | 20-30r/min | |
| Air consumption | 1.0Mpa | 6m3/min | 7m3/min | 9m3/min |
| 1.8Mpa | 9m3/min | 14m3/min | 18m3/min | |
| 2.4Mpa | 14m3/min | 19m3/min | 26m3/min | |
| DTH hammer type | HSD8A | HSD10A | HSD12A | |
| Length(less bit) mm | 1330 | 1525 | 1860 | |
| Weight(less bit) kg | 175kg(374lbs) | 316kg(695lbs) | 480kg(1056lbs) | |
| External diameter mm | Φ185mm | Φ185mm | Φ275mm | |
| Bit shank | SD8 | SD10 | SD12 | |
| Hole range(mm) | 195mm-254mm | 254mm-311mm | 305mm-445mm | |
| Connection thread | API 4 1/2"Reg | API 6 5/8" REG | API 6 5/8" REG | |
| Working pressure | 1.0-3.0Mpa | 1.0-3.0Mpa | 1.0-3.0Mpa | |
| Impact rate at 1.7Mpa | 22Hz | 20Hz | 20Hz | |
| Recommended Rotation speed | 15-25r/min | 15-25r/min | 15-25r/min | |
| Air consumption | 1.0Mpa | 12m3/min | 22m3/min | 28m3/min |
| 1.8Mpa | 22m3/min | 40m3/min | 50m3/min | |
| 2.4Mpa | 28m3/min | 65m3/min | 71m3/min | |
The information you may like to know before order:
SOLLROC Provide high efficiency and durable hammer all over the world.
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For more information please contact:
Changsha Sollroc Engineering Equipments Co., Ltd
Tel: 86-731-85551632 Fax: 86-731-85551635
Emai: info@sollroc.com
Skype: jessicaling1982
Skype: yongzhedrill
Website: www.sollroc.com
Contact Person: Ms. Ling Bo
Tel: 86-13077353340
Fax: 86-731-85551635
