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Help CenterMost Advanced 6 Inch High Air Pressure Carbide Rock Drilling DTH Hammer(NM6A)
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Specifications
6 Inch Carbide Hammer1.Lower energy consumption
2.Higher impact frequency
3.Easy & cheap maintenance
4.Long life, reliable
Most Advanced 6 Inch High Air Pressure Carbide Rock Drilling DTH Hammer(NM6A):
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.
NM6A DTH Hammer Technical Data
Length (Without Bit) | Weight (Without Bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
1161mm | 90.00kg | 146mm | HM6 | 155-203 | API3 1/2Reg | ||
Working Pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | ||||
1.0Mpa | 1.8Mpa | 2.4Mpa | |||||
1.0-2.5Mpa | 25HZ | 20-30r/min | 9m³/min | 18m³/min | 26m³/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 | 20.00 0.015 0.70 0.10 3.50 4.20 23.00 26.00 4.80 0.01 0.80 4.20 23.00 | NM6A01 NM6A02 NM6A03 NM6A04 NM6A05 NM6A06 NM6A07 NM6A08 NM6A09 NM6A10 NM6A11 NM6A12 NM6A13 |
Packing: Inner package with cartons,outer package with wooden case
Delivery: in 20 working days after receiving the advance payment
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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