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Specifications
Rock Break DTH Hammer1.Lower energy consumption
2.Higher impact frequency
3.Easy and cheap maintenance
4.Long life, reliabl
4" Mining/Hard Rock Breaking DTH Forging Hammer Drill QL40:
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.
NQL4 DTH Hammer Technical Data
Length (Without Bit) | Weight (Without Bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
1097mm | 41.00kg | 99mm | QL40 | 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. Guided Sleeve 11. o Ring of Stop Ring 12. Stop Ring 13. Drive Chuck 14. Drill Bit | 6.50 0.01 0.42 0.04 0.04 2.20 2.30 8.80 16.50 0.80 0.01 0.30 3.00 9.5 | NQL401 NQL402 NQL403 NQL404 NQL405 NQL406 NQL407 NQL408 NQL409 NQL410 NQL411 NQL412 NQL413 NQL414 |
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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