High Air Pressure DTH Hammer
1. Lower energy consumption
2. Higher impact frequency
3. Easy and cheap maintenance
4. Long life, reliable
Faster Drilling Speed and Most Advanced Air DTH Hammer:
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.
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.
| Length (Without Bit) | Weight (Without Bit) | External diameter | Bit Shank | Hole Range | Connection Thread |
| 1090mm | 67.00kg | Φ125mm | QL50 | Φ135-Φ155 | API2 3/8"Reg API3 1/2"Reg |
| 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 |
| 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 |
Hunan New Diamond Machinery and Equipment Co., Ltd is a modern high-tech enterprise, specialized in researching and manufacturing rock drilling equipments and pneumatic tools.
We mainly produce:
1.1-2" Low-Middle Air Pressure DTH Hammer
2.3-12" High Air Pressure DTH Hammer (with/without Foot Valve)
3. Big Hole High Air Pressure DTH Hammer
4. Reverse Circulation Hammer
5. Down The Hole Bit
6. Overburden Drilling
7. Hole Opener Bit
8. Thread Button Bit
9. The Others (Shank Adapter, Coupling Sleeves, Drill Tube, Adapters etc. )
After 2 years' development, we are now having a production base covers 80 acres, with more than 300 skilled technicians works in. Our products are widely applied to earthmoving engineering, mining exploitation, oil drilling, water well drilling and pile foundation engineering etc. With rich experience in R & D and production, excellent management team, strong innovation creativity and production scale, our company has achieved great success continuously by the excellent quality products, which have been well accepted by end users and the brand has received extensive positive feedback from international markets and products have been exported to the United States, Australia, Brazil, South Africa, South Korea and other countries. Now we become to one of the most famous enterprises in drill industry in China, and we have the most complete product line, the most abundant series, and the most widely types.
