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CIR100 Low Air Pressure DTH Hammers

CIR100 Low Air Pressure DTH Hammers

The application of Low air pressure DTH Hammer: Mining, quarrying, road construction and other projects drilling blasting hole, landslide protection, dam reinforcement, anchoring and other engineering holes, geothermal air conditioning, hydrology, wells and other fields.

CIR100 Low Air Pressure DTH Hammers


Specification:

External Diameter (mm)

Connection thread

Hole rang (mm)

Low air pressure DTH hammer

CIR90, CIR110, CIR150

 

50~180

CIR**

55~200

Middle air pressure BR & COP type

70~110


85~115

3 inch DTH hammer

DHD3.5, COP34, COP32, QL30, M30, IR3.5

 

81

API 2 3/8” Reg

90~110

4 inch DTH hammer

DHD340, COP44, M40, SD4, QL40

 

99

API 2 3/8” Reg

110~150

5 inch DTH hammer

DHD350, COP54, M50, SD5, QL50

 

125

API 2 3/8” Reg

 or API 3 1/2” Reg

135~165

6 inch DTH hammer

DHD360, M60, SD6, QL60, COP64

 

142

API 3 1/2” Reg

152~216

8 inch DTH hammer

DHD380, COP84, M80, SD8, QL80

 

180

API 4 1/2” Reg

203~305

10, 12inch DTH Hammer

SD10, DHD1120, NUMA 100, NUMA 125

 

275

API 6 5/8 Reg

305-445

15 inch DTH Hammer

DHD1150, SD15, NUMA125

 

330

API 7 5/8’’ REG

350-660

 


best quality CIR90 CIR110 CIR150 low air pressure dth down the hole drilling hammer




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