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Help CenterFaster Drilling 12 Inch High Air Pressure Down The Hole DTH Hammer Drill(NUMA120)
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Specifications
numa120 DTH Hammer1.Lower energy consumption
2.Higher impact frequency
3.Easy and cheap maintenance
4.Long life, reliable
Faster Drilling 12 Inch High Air Pressure Down The Hole DTH Hammer Drill(NUMA120):
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.
NN120A DTH Hammer Technical Data
Length (Without Bit) |
Weight (Without Bit) |
External diameter |
Bit Shank |
Hole Range |
Connection Thread |
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1880mm |
475.00kg |
275mm |
NUMA120 |
305-445 |
API6 5/8Reg |
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Working Pressure |
Impact rate at 1.7Mpa |
Recommended rotation speed |
Air consumption |
||||
1.0Mpa |
1.8Mpa |
2.4Mpa |
|||||
1.0-2.5Mpa |
20HZ |
15-25r/min |
28m³/min |
50m³/min |
71m³/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 |
70.00 0.04 0.80 2.00 0.10 16.00 25.00 113.00 170.00 25.00 0.01 4.50 0.80 48.00 164.00 |
NN120A01 NN120A02 NN120A03 NN120A04 NN120A05 NN120A06 NN120A07 NN120A08 NN120A09 NN120A10 NN120A11 NN120A12 NN120A13 NN120A14 NN120A15 |
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.
Send Inquiry to This Supplier
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