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

KQH55A  High-pressure DTH Hammer

(COP54 DTH hammer/DHD350 hammer/5-inch hammer/140mm DTH hammer)

Basic Technical specifications

1. Hammer length without bit: 1100(mm)

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

3. Outside diameter: 124(mm)

4. Weight: 70KG

5. Bit diameter: 138-165(mm)

6. Working pressure: 12-20(Bar)

7. Air consumption: 12-22(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  

( function(){ var aBigImageSrc = [ 'http://i00.i.aliimg.com/photo/v2/730339016_1/KQH55A_High_pressure_COP54_DTH_Hammer_DHD350.jpg' , 'http://i00.i.aliimg.com/photo/v2/730339016_2/KQH55A_High_pressure_COP54_DTH_Hammer_DHD350.jpg' , 'http://i00.i.aliimg.com/photo/v2/730339016_3/KQH55A_High_pressure_COP54_DTH_Hammer_DHD350.jpg' ]; var oProductShow = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); KQH55A High-pressure COP54 DTH Hammer/DHD350 Hammer/140mm DTH hammer