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4 Inch DTH Drill Hammer/Iron Ore Mining DTH Hammer(QL40)
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Product Details
| Brand Name | New Diamond | Model Number | QL40A | |
| Machine Type | Drilling Tool | Material | Carbide | |
| Processing Type | Forging | Use | Ore Mining | |
| Place of Origin | Hunan, China | Type | Other, hammer | |
| Certification | Other, ISO9001:2008 |
Product Description
Specifications
4 Inch DTH Drill Hammer1.Lower energy consumption
2.Higher impact frequency
3.Easy and cheap maintenance
4.Long life
4 Inch DTH Drill Hammer/Iron Ore Mining DTH Hammer(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.
NQL4A DTH Hammer Technical Data
Length (Without Bit) | Weight (Without Bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
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 |
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.

Contact Us
- Xian Wellwork Industrial Co., Ltd.
- Contact nameMilla Wang Chat Now
- Phone86-29-88771163
- AddressRm. 1601, Site A, Gaoke Plaza, , Gaoxin 4th Road., Yanta Area
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