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Help CenterDTH Hammer Drilling Rig/Rock Drilling Jack Hammer/DTH Hammer Drill Bit (DHD1120)
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Specifications
DTH Hammer Drilling1.Lower energy consumption
2.Higher impact frequency
3.Easy and cheap maintenance
4.Long life, reliable
DTH Hammer Drilling Rig/Rock Drilling Jack Hammer/DTH Hammer Drill Bit (DHD1120):
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
It is a kind of high air pressure DTH Hammer without foot valve, 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.
ND1120A DTH Hammer Technical Data
Length (Without Bit) |
Weight (Without Bit) |
External diameter |
Bit Shank |
Hole Range |
Connection Thread |
||
1880mm |
474.00kg |
275mm |
DHD1120 |
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 25.00 113.00 173.00 24.00 0.01 4.00 0.80 46.00 140.00 |
ND1120A01 ND1120A02 ND1120A03 ND1120A04 ND1120A05 ND1120A06 ND1120A07 ND1120A08 ND1120A09 ND1120A10 ND1120A11 ND1120A12 ND1120A13 ND1120A14 ND1120A15 |
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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