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| Categories | DTH Hammers |
|---|---|
| Brand Name: | MIROC |
| Model Number: | DHD350 |
| Certification: | ISO |
| Place of Origin: | China |
| MOQ: | 1 |
| Price: | Negotiation |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 20000pcs per month |
| Delivery Time: | 15-20days |
| Packaging Details: | Carton Box or Wooden Box |
| Material: | alloy steel |
| Application: | Quarry/DTH Drilling/Water Well |
| Color: | Based on customer's requirement |
| Diameter: | 225mm, 275mm |
| Weight (KG): | 68 |
| Modal: | DHD350 |
| Company Info. |
| KSQ Technologies (Beijing) Co. Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Tungsten Carbide Underground Mine Bits Spherical Face High Air Pressure DTH Bits
Features:
1. Simple and reasonable design, easy to assemble and dis-assemble,
low problem rate.
2. Low air consumption, smooth drilling, maximum impact power, high
penetration rate.
3. Multiple precise heat-treatment with all hammer parts to provide
longest lifespan under roughest working conditions.
DTH Hammer Specification
| Description | Weight(kg) | ||
| N100 | N120 | N125 | |
| 1.Top sub | 59.00 | 70.00 | 70.00 |
| 2. O-ring Of Top Sub | 0.03 | 0.04 | 0.04 |
| 3.Breakout Ring | 0.40 | 0.80 | 0.80 |
| 4.Check Valve | 1.60 | 3.00 | 3.00 |
| 5. Spring | 0.30 | 0.10 | 0.10 |
| 6. Compression Buffer | 0.60 | 1.00 | 1.00 |
| 7. Air Distributor | 11.50 | 20.00 | 20.00 |
| 8. Internal cylinder | 11.00 | 23.00 | 23.00 |
| 9. Piston | 62.00 | 125.00 | 125.00 |
| 10. External Cylinder | 112.00 | 170.00 | 170.00 |
| 11. Guided Sleeve | - | 18.00 | - |
| 12. O-ring Of Stop Ring | 0.03 | 0.04 | 0.01 |
| 13. Stop Ring | 1.50 | 4.50 | 4.00 |
| 14. Breakout Ring | 0.40 | 0.80 | 0.80 |
| 15. Drive Chuck | 26.00 | 49.00 | 45.00 |
| 16. Drill Bit | 115.00 | 120.00 | 175.00 |
| Technical Data | |||
| Model | N100 | N120 | N125 |
| Length (Without Bit) | 1510mm | 1900mm | 1900mm |
| Weight (Without Bit) | 288.00kg | 485.00kg | 480.00kg |
| External Diameter | φ226mm | φ275mm | φ275mm |
| Bit Shank | NUMA100 | NUMA120 | NUMA125 |
| Hole Range | φ254 - φ311mm | φ305- φ445mm | φ305- φ445mm |
| Connection Thread | API 4 1/2 '' Reg, API 6 5/8 '' Reg | API 6 5/8 '' Reg | API 6 5/8 '' Reg |
| Working Pressure | 2.0 - 3.5 Mpa | 2.0 - 3.5 Mpa | 2.0 - 3.5 Mpa |
| Impact Rate at 17 Bar | 18HZ | 16HZ | 16HZ |
| Recommended Rotation Speed | 15 - 25 r/min | 15 - 25 r/min | 15 - 25 r/min |
| Air Consumption | 1.0Mpa: 22 m³/ min | 1.0Mpa: 30 m³/ min | 1.0Mpa: 30 m³/ min |
| 1.8Mpa: 45 m³/ min | 1.8Mpa: 56 m³/ min | 1.8Mpa: 56 m³/ min | |
| 2.4Mpa: 60 m³/ min | 2.4Mpa: 78 m³/ min | 2.4Mpa: 78 m³/ min | |
|
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