Home > Products > DTH Hammers > Surface drilling/12 inch atlas dth hammmer with good quality at competitive price(NN125)/Mining drilling parts
Surface drilling/12 inch atlas dth hammmer with good quality at competitive price(NN125)/Mining drilling parts
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Product Details
| Place of Origin: | Hunan, China | Brand Name: | New diamond | Model Number: | NN125 with footvalve |
| Type: | Drill Shank | Machine Type: | Drilling Tool | Certification: | Other, ISO9001:2008 |
| Material: | Carbide | Processing Type: | Forging | Use: | Ore Mining |
Product Description
12 inch atlas dth hammmer with good quality at competitive price(NN125)
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:
- Valveless air distribution. More reliable.
- Simple design of the piston, long life.
- More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
- Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
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 (Less bit) | Weight (Less bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
1900mm | 480.00kg | Φ275mm | NUMA125 | Φ305-Φ445 | API6 5/8”Reg | ||
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 | ||
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 |
Contact Us
- Hunan New Diamond Construction Machinery Co., Ltd.
- Contact nameRick Liao
- Phone0086-731-89708148
- AddressMeiguiyuan, Yuelu district, Changsha city, Hunan, China Changsha,Hunan
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