High-pressure DTH hammer of good quality and performance, with IS0 9001:2008 certification and of various specifications.

KQH45A High-pressure DTH Hammer

(COP44 DTH hammer/DHD340 hammer/4-inch hammer/115mm DTH hammer)

Basic Technical specifications

1. Hammer length without bit: 1030(mm)

2. Top sub thread: API 23/8'' REG PIN

3. Outside diameter: 98(mm)

4. Weight: 38KG

5. Bit diameter: 115-125(mm)

6. Working pressure: 12-20(Bar)

7. Air consumption: 8-12(M3/min)

Structure of the hammer

1. Top sub

2. O-Ring

3. Cap

4. Check valve

5. Spring

6. Air Distributor

7.  Inner Cylinder

8. Piston

9. Guide Sleeve

10. Bit Retainer Ring

11. O-Ring

12. Driver sub

13. Outer Sleeve  

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