CIR SERIES DTH Hammers
CIR50
CIR60
CIR65
CIR76
CIR90
CIR110
CIR130
CIR150
CIR170
Design Highlights
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Efficient Performance: Steel valve type hammers designed for high performance at low operating air pressure.
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Energy Output: Maximizes energy output while significantly reducing service requirements.
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Fixed Design: Wear sleeve is not reversible to ensure consistent operational parameters.
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Durability: Critical internal components are heat treated under strict control for maximum tool longevity.
Exclusive Feature: The patented steel valve design increases work efficiency by at least 20%.
Applications
Widely used across multiple industries including:
- Mining
- Quarrying
- Road Construction
- Drilling and Blasting
- Water Well Drilling
- Slope Protection
- Anchoring
DTH Hammers Series Available
High Pressure Series
Medium Pressure Series
Low Pressure Series
High Efficiency High Pressure Series
Reverse Circulation Series
CIR76 Technical Specifications
| Parameter |
Specifications |
| Hammer Length without bit | 777 (mm) |
| Top sub thread | F48x10PIN |
| Outside diameter | 66 (mm) |
| Weight | 13.5 (KG) |
| Bit diameter | 76 (mm) |
| Working Pressure | 4-10 (Bar) |
| Air consumption | 6-10 (M3/min) |
| Bit shank | CIR70 |
Component Breakdown
| Item Description |
Part Number |
| 1. Top Sub | 76A-01 |
| 2. Cap | 76A-02 |
| 3. Check Valve | 76A-03 |
| 4. Spring | 76A-04 |
| 5. Shim | 76A-05 |
| 6. Rubber ring | 76A-06 |
| 7. Valve cap | 76A-07 |
| 8. Valve | 76A-08 |
| 9. Air Distributor | 76A-09 |
| 10. Inner Cylinder | 76A-10 |
| 11. Piston | 76A-11 |
| 12. Guide Sleeve | 76A-12 |
| 13. Driver Sub | 76A-13 |
| 14. Outer Sleeve | 76A-14 |
Frequently Asked Questions
What are the primary advantages of the CIR series steel valve?
The patented steel valve design significantly increases work efficiency by at least 20% compared to standard designs, especially in low air pressure conditions.
What industries are these DTH hammers suitable for?
They are highly versatile and widely used in mining, quarrying, water well drilling, road construction, and slope protection projects.
How is the durability of the internal components ensured?
All critical internal components undergo strict heat treatment processes to maximize the tool's longevity and performance in harsh drilling environments.
What range of sizes is available for the CIR series?
The series covers a wide range of needs, including models CIR50, CIR60, CIR65, CIR76, CIR90, CIR110, CIR130, CIR150, and CIR170.
Do these hammers work well at low air pressure?
Yes, the CIR series is specifically engineered for high performance even when operating at low air pressure, making it energy-efficient.
What types of pressure series do you supply?
We offer a comprehensive range including High pressure, Medium pressure, Low pressure, High efficiency high pressure, and Reverse circulation series.