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Help CenterFaster Drilling Speed and Most Advanced Air DTH Hammer(QL80)
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Faster Drilling Speed and Most Advanced Air DTH Hammer:
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.
NQL8A DTH Hammer Technical Data
Length (Without Bit) |
Weight (Without Bit) |
External diameter |
Bit Shank |
Hole Range |
Connection Thread |
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1330mm |
171.00kg |
180mm |
QL8 |
195-254 |
API4 1/2Reg |
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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 |
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 59.00 6.30 0.01 1.40 0.30 13.00 35.00 |
NQL8A01 NQL8A02 NQL8A03 NQL8A04 NQL8A05 NQL8A06 NQL8A07 NQL8A08 NQL8A09 NQL8A10 NQL8A11 NQL8A12 NQL8A13 NQL8A14 NQL8A15 |
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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