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Help Center5" High Air Pressure DTH Hammer(ND55)
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Specifications
High Air DTH Hammer1.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 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.
ND55 DTH Hammer Technical Data
Length (Without Bit) |
Weight (Without Bit) |
External diameter |
Bit Shank |
Hole Range |
Connection Thread |
||
1214mm |
76.50kg |
125mm |
Cop54 DHD350R |
135-155 |
API2 3/8Reg 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 |
20-35r/min |
9 m³/min |
15 m³/min |
23m³/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 |
15.00 0.01 1.00 0.04 0.06 3.70 4.50 15.50 30.00 0.01 0.30 6.40 16.00 |
ND5501 ND5502 ND5503 ND5504 ND5505 ND5506 ND5507 ND5508 ND5509 ND5510 ND5511 ND5512 ND5513 |
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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