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Help CenterHigh Air Pressure 4/4.5" Inch DTH Hammers QL40
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Specifications
High air pressure dth hammer1.Lower energy consumption
2.Higher impact frequency
3.Easy and cheap maintenance
4.Long life
High Air Pressure 4/4.5" Inch DTH Hammers QL40
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.
High Air Pressure 4/4.5" Inch DTH Hammers QL40 Technical Data
Length (Without Bit) |
Weight (Without Bit) |
External diameter |
Bit Shank |
Hole Range |
Connection Thread |
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1070mm |
40.00kg |
99mm |
QL40 |
110-135 |
API2 3/8Reg |
||
Working Pressure |
Impact rate at 1.7Mpa |
Recommended rotation speed |
Air consumption |
||||
1.0Mpa |
1.8Mpa |
2.4Mpa |
|||||
1.0-2.5Mpa |
30HZ |
25-40r/min |
5m³/min |
9m³/min |
14m³/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. 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 |
6.50 0.01 0.35 0.05 1.50 2.10 8.50 15.20 1.80 0.005 0.20 3.20 9.00 |
NQL4A01 NQL4A02 NQL4A03 NQL4A04 NQL4A05 NQL4A06 NQL4A07 NQL4A08 NQL4A09 NQL4A10 NQL4A11 NQL4A12 NQL4A13 |
Packing: Inner package with cartons,outer package with wooden case
Delivery: in 20 working days after receiving the advance payment
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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