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Help Center3 Inch High Air Pressure DTH Hammer Cop34/IR3.5/ND35A
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3 Inch High Air Pressure DTH Hammer cop34/IR3.5/ND35A:
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.
ND35A DTH Hammer Technical Data
Length (Without Bit) |
Weight (Without Bit) |
External diameter |
Bit Shank |
Hole Range |
Connection Thread |
888mm |
25.00kg |
82mm |
IR3.5 |
90-115 |
API2 3/8Reg |
Working Pressure |
Impact rate at 1.5Mpa |
Recommended rotation speed |
Air consumption |
||
1.0Mpa |
1.5Mpa |
||||
1.0-1.5Mpa |
25HZ |
25-40r/min |
3.8m³/min |
7.5m³/min |
|
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 |
4.20 0.01 0.20 0.02 0.80 1.30 5.50 9.50 1.00 0.05 0.15 1.90 5.00 |
ND35A01 ND35A02 ND35A03 ND35A04 ND35A 05 ND35A06 ND35A07 ND35A08 ND35A09 ND35A10 ND35A11 ND35A12 ND35A13 |
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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