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Help Center5 Inch High Air Pressure Portable DTH Hammer QL50
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5 Inch High Air Pressure Portable DTH Hammer QL50:
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.
NQL5A DTH Hammer Technical Data
Length (Without Bit) |
Weight (Without Bit) |
External diameter |
Bit Shank |
Hole Range |
Connection Thread |
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1090mm |
67.00kg |
125mm |
QL50 |
135-155 |
API2 3/8Reg API3 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 |
28HZ |
20-35r/min |
7m³/min |
14m³/min |
19m³/min |
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Item Description |
Weight (kg) |
Part Number |
|
1. Top Sub 2. O Ring of Top Sub 3. Check Valve 4. Spring 5. Air Distributor 6. Internal Cylinder 7. Piston 8. External Cylinder 9. Guided Sleeve 10. o Ring of Stop Ring 11. Stop Ring 12. Drive Chuck 13. Drill Bit |
13.70 0.015 0.70 0.10 2.00 2.70 15.00 24.00 3.00 0.01 0.40 4.50 16.00 |
NQL5A01 NQL5A02 NQL5A03 NQL5A04 NQL5A05 NQL5A06 NQL5A07 NQL5A08 NQL5A09 NQL5A10 NQL5A11 NQL5A12 NQL5A13 |
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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