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Specifications
High Air Pressure Hammer1.Lower energy consumption
2.Higher impact frequency
3.Easy and cheap maintenance
4.Long life
12" Inch DTH High Air Pressure Hammer Drill NUMA125:
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
It is a kind of valveless high air pressure DTH Hammer with foot valve.
It has the following advantages:
1.Valveless air distribution. More reliable.
2. Simple design of the piston, long life.
3. More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
4. Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
NN125 DTH Hammer Technical Data
Length (Without Bit) | Weight (Without Bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
1900mm | 480.00kg | 275mm | NUMA125 | 305-445 | API6 5/8Reg | ||
Working Pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | ||||
1.0Mpa | 1.8Mpa | 2.4Mpa | |||||
1.0-2.5Mpa | 16HZ | 15-25r/min | 30m³/min | 56m³/min | 78m³/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. Compression Buffer 7. Air Distributor 8. Internal Cylinder 9. Piston 10. External Cylinder 11. o Ring of Stop Ring 12. Stop Ring 13. Breakout Ring 14. Drive Chuck 15. Drill Bit | 70.00 0.04 0.80 3.00 0.10 1.00 20.00 23.00 125.00 170.00 0.01 4.00 0.80 45.00 175.00 | NN12501 NN12502 NN12503 NN12504 NN12505 NN12506 NN12507 NN12508 NN12509 NN12510 NN12511 NN12512 NN12513 NN12514 NN12515 |
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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