Specifications
Water Well Drilling Tool1.Lower energy consumption
2.Higher impact frequency
3.Easy and cheap maintenance
4.Long life
Hard Rock,Oil and Water Well Drilling Tools(DHD380/Cop84):
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
It is a kind of high air pressure DTH Hammer without footvalve, our newest design. It is also one of the most advanced DTH Hammers 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.
ND85A(DHD380/Cop84) DTH Hammer Technical Data
Length (Without Bit) | Weight (Without Bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
1359mm | 175.00kg | 180mm | Cop84 DHD380 | 195-254 | API4 1/2Reg | ||
Working Pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | ||||
1.0Mpa | 1.8Mpa | 2.4Mpa | |||||
1.0-2.5Mpa | 22HZ | 15-25r/min | 12m³/min | 22m³/min | 28m³/min | ||
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Item Description | Weight (kg) | Part Number |
1. Top Sub 2. O Ring of Top Sub 3. Breakout Ring 4. Check Valve 5. Spring 6. Air Distributor 7. Internal Cylinder 8. Piston 9. External Cylinder 10. Guided Sleeve 11. o Ring of Stop Ring 12. Stop Ring 13. Breakout Ring 14. Drive Chuck 15. Drill Bit | 34.00 0.015 0.30 1.20 0.10 6.00 6.50 42.50 60.00 5.30 0.01 1.20 0.30 17.50 40.00 | ND85A01 ND85A02 ND85A03 ND85A04 ND85A05 ND85A06 ND85A07 ND85A08 ND85A09 ND85A10 ND85A11 ND85A12 ND85A13 ND85A14 ND85A15 |
Our advantages:
We have advanced production equipments & talented researchers & technicians & rich experiences in R & D and production.
We use the best quality raw materials.
We adopt advanced production technology & strict testing procedure.
We passed ISO9001 quality management system certification.
We accept OEM manufacturing and produce on your design.