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Help CenterHigh Quality 4" Down Hole Drill Hammer(ND45/DHD340/COP44)
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Specifications
Down Hole Drill Hammer1.Efficient energy transfer
2.Faster drilling speed
3.Lower oil consumption
4.Longer life,less failur
High Quality 4" Down Hole Drill Hammer(ND45/DHD340/COP44):
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.
ND45 DTH Hammer Technical Data
Length (Without Bit) |
Weight (Without Bit) |
External diameter |
Bit Shank |
Hole Range |
Connection Thread |
||
1030mm |
39.00kg |
99mm |
Cop44 DHD340 |
110-135 |
API2 3/8Reg |
||
Working Pressure |
Impact rate at 1.5Mpa |
Recommended rotation speed |
Air consumption |
||||
1.0Mpa |
1.8Mpa |
2.4Mpa |
|||||
1.0-2.5Mpa |
27HZ |
25-40r/min |
6 m³/min |
10 m³/min |
15m³/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. Compression Buffer 6. Air Distributor 7. Internal Cylinder 8. Piston 9. External Cylinder 10. o Ring of Stop Ring 11. Stop Ring 12. Drive Chuck 13. Drill Bit |
6.50 0.01 0.42 0.04 0.04 2.20 2.30 9.00 15.00 0.01 0.20 3.50 9.00 |
ND4501 ND4502 ND4503 ND4504 ND4505 ND4506 ND4507 ND4508 ND4509 ND4510 ND4511 ND4512 ND4513 |
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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