• Hjg Hn120 DTH Hammer Numa120
  • Hjg Hn120 DTH Hammer Numa120
  • Hjg Hn120 DTH Hammer Numa120
  • Hjg Hn120 DTH Hammer Numa120
  • Hjg Hn120 DTH Hammer Numa120
  • Hjg Hn120 DTH Hammer Numa120

Hjg Hn120 DTH Hammer Numa120

Mining Object: Mining
Trademark: HJG
Origin: China
Customization:

Contact Supplier

Mr. Larry Wu
Director of International Sales Department
Diamond Member Since 2013

Suppliers with verified business licenses

Manufacturer/Factory & Trading Company

Basic Info.

Model NO.
NUMA120
HS Code
84123100

Product Description

It is a kind of valveless high air pressure DTH Hammer with foot valve.

It has the following advantages:
1. Valveless air distribution. More reliable.
2. Simple design of the piston, long life.
3. More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
4. Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
Hjg Hn120 DTH Hammer Numa120
Hjg Hn120 DTH Hammer Numa120
Hjg Hn120 DTH Hammer Numa120
Hjg Hn120 DTH Hammer Numa120
Hjg Hn120 DTH Hammer Numa120 Hjg Hn120 DTH Hammer Numa120
Length(exclude bit) Weight(exclude bit) External Diameter Bit Shank Hole Range Connection Thread
1900 mm 485.00 kg  Φ275 mm   NUMA120 Φ305mm _ Φ445mm  API 6 5/8'' Reg
Working Pressure Impact rate at 0.5 MPa Recommended Rotary Speed Air Consumption
1.0 MPa 1.8 MPa  2.4 MPa
1.0 - 2.5 MPa 16 Hz 15-25 rpm 30 m³/min  56 m³/min 78 m³/min 

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Contact Supplier

Mr. Larry Wu
Director of International Sales Department
Diamond Member Since 2013

Suppliers with verified business licenses

Manufacturer/Factory & Trading Company
Number of Employees
834
Year of Establishment
1999-04-30