CIR150 Steel Valve Design Patent Quarry Mining Low Air Pressure DTH Hammer
CIR SERIES DTH Hammers
Models available: CIR50 / CIR60 / CIR65 / CIR76 / CIR90 / CIR110 / CIR130 / CIR150 / CIR170
Design Highlights
- CIR series features steel valve type hammers designed for high performance at low operating air pressure.
- Maximizes energy output and significantly reduces maintenance service requirements.
- Wear sleeve is specifically designed as non-reversible for stable operation.
- All critical internal components are heat treated under strict control to maximize tool longevity.
Exclusive Features
The patented steel valve design increases working efficiency by at least 20% compared to standard designs.
Applications
These hammers are widely utilized in:
- Mining and Quarrying operations.
- Road construction for drilling and blasting.
- Water well drilling and slope protection.
- Anchoring and geotechnical engineering.
DTH Hammer Series Available
• High pressure series
• Medium pressure series
• Low pressure series
• High efficiency high pressure series
• Reverse circulation series
Technical Specifications (CIR150)
| Hammer Length (without bit) |
904 mm |
| Top Sub Thread |
F70x10 BOX |
| Outside Diameter |
136 mm |
| Weight |
70 KG |
| Bit Diameter Range |
150 - 200 mm |
| Working Pressure |
5 - 10 Bar |
| Air Consumption |
10 - 16 M³/min |
| Bit Shank |
CIR150 |
Internal Component Breakdown
| Item Description |
Part Number |
| 1. Top Sub | 150-01 |
| 2. Cap | 150-02 |
| 3. Check Valve | 150-03 |
| 4. Spring | 150-04 |
| 5. Shim | 150-05 |
| 6. Rubber Ring | 150-06 |
| 7. Valve Cap | 150-07 |
| 8. Valve | 150-08 |
| 9. Air Distributor | 150-09 |
| 10. Inner Cylinder | 150-10 |
| 11. Piston | 150-11 |
| 12. Guide Sleeve | 150-12 |
| 13. Driver Sub | 150-13 |
| 14. Outer Sleeve | 150-14 |
Frequently Asked Questions
What are the primary benefits of the steel valve design in the CIR150?
The patented steel valve design is engineered specifically for low air pressure environments, boosting working efficiency by at least 20% compared to traditional valve designs while maximizing energy output.
What range of drill bits can be used with this DTH hammer?
The CIR150 DTH Hammer is compatible with drill bit diameters ranging from 150mm to 200mm, using a CIR150 bit shank.
Is this hammer suitable for water well drilling?
Yes, it is widely used for water well drilling, as well as mining, quarrying, road construction, and anchoring projects.
How does the CIR150 ensure a long service life?
All critical internal components undergo strict heat treatment processes. This ensures high durability and wear resistance even under demanding site conditions.
What is the required air pressure and consumption for operation?
The CIR150 operates efficiently at a working pressure of 5 to 10 Bar, with an air consumption rate between 10 and 16 M³/min.
Is the wear sleeve reversible for this model?
No, the wear sleeve in the CIR series is designed to be non-reversible to maintain structural integrity and performance consistency.
KAT DRILLING
