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Numa Series DTH Hammers High Air Pressure 225mm 275mm With Long Life Span

Numa Series DTH Hammers High Air Pressure 225mm 275mm With Long Life Span

    • Numa Series DTH Hammers High Air Pressure 225mm 275mm With Long Life Span
    • Numa Series DTH Hammers High Air Pressure 225mm 275mm With Long Life Span
    • Numa Series DTH Hammers High Air Pressure 225mm 275mm With Long Life Span
  • Numa Series DTH Hammers High Air Pressure 225mm 275mm With Long Life Span

    Product Details:

    Place of Origin: China
    Brand Name: MIROC Rock Drilling Tools
    Certification: API
    Model Number: NUMA Series DTH Hammer

    Payment & Shipping Terms:

    Minimum Order Quantity: 1 Piece DTH Hammer
    Price: Negotiation
    Packaging Details: Wooden Box
    Delivery Time: 10-15 Days
    Payment Terms: L/C, T/T
    Supply Ability: 20000 pieces per month
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    Detailed Product Description
    Product Name: DTH Hammer Series: NUMA 100, NUMA 120, NUMA 125 Series
    Size: 225mm, 275mm Type: With Foot Valve, Without Foot Valve
    Use: Tunneling, Mining,Quarrying,Water Well Color: Green, Black, Orange, Blue, Golden Etc.

    NUMA Series DTH hammer High Air Pressure With Long Life Span

     

    Features:

     

    1. Simple and reasonable design, easy to assemble and dis-assemble, low problem rate.
    2. Low air consumption, smooth drilling, maximum impact power, high penetration rate.
    3. Multiple precise heat-treatment with all hammer parts to provide longest lifespan under roughest working conditions.

     

     

    The Characteristics of High Air Pressure DTH Hammers With Foot Valve:

     

    It is a kind of valveless high air pressure DTH hammer with foot valve. It has the following advantages:

     

    The main features are as following:

    1. Valveless air distribution, more reliable.

    2. Simple design of the piston. Long life span.

    3. More efficient energy transfer, faster drilling speed, low air consumption and lower oil consumption.

    4. Fewer internal parts, simple structure, long life span, 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 multiple steps thread.


    NUMA Series High Air Pressure DTH Hammer With Foot Valve Specification:

    High Air Pressure DTH Hammer With Foot Valve - NUMA Series DTH Hammer
    Description Weight(kg)
    N100 N120 N125
    1.Top sub 59.00 70.00 70.00
    2. O-ring Of Top Sub 0.03 0.04 0.04
    3.Breakout Ring 0.40 0.80 0.80
    4.Check Valve 1.60 3.00 3.00
    5. Spring 0.30 0.10 0.10
    6. Compression Buffer 0.60 1.00 1.00
    7. Air Distributor 11.50 20.00 20.00
    8. Internal cylinder 11.00 23.00 23.00
    9. Piston 62.00 125.00 125.00
    10. External Cylinder 112.00 170.00 170.00
    11. Guided Sleeve - 18.00 -
    12. O-ring Of Stop Ring 0.03 0.04 0.01
    13. Stop Ring 1.50 4.50 4.00
    14. Breakout Ring 0.40 0.80 0.80
    15. Drive Chuck 26.00 49.00 45.00
    16. Drill Bit 115.00 120.00 175.00
    Technical Data
    Model N100 N120 N125
    Length (Without Bit) 1510mm 1900mm 1900mm
    Weight (Without Bit) 288.00kg 485.00kg 480.00kg
    External Diameter φ226mm φ275mm φ275mm
    Bit Shank NUMA100 NUMA120 NUMA125
    Hole Range φ254 - φ311mm φ305- φ445mm φ305- φ445mm
    Connection Thread API 4 1/2 '' Reg, API 6 5/8 '' Reg API 6 5/8 '' Reg API 6 5/8 '' Reg
    Working Pressure 2.0 - 3.5 Mpa 2.0 - 3.5 Mpa 2.0 - 3.5 Mpa
    Impact Rate at 17 Bar 18HZ 16HZ 16HZ
    Recommended Rotation Speed 15 - 25 r/min 15 - 25 r/min 15 - 25 r/min
    Air Consumption 1.0Mpa: 22 m³/ min 1.0Mpa: 30 m³/ min 1.0Mpa: 30 m³/ min
    1.8Mpa: 45 m³/ min 1.8Mpa: 56 m³/ min 1.8Mpa: 56 m³/ min
    2.4Mpa: 60 m³/ min 2.4Mpa: 78 m³/ min 2.4Mpa: 78 m³/ min

     

    Numa Series DTH Hammers High Air Pressure 225mm 275mm With Long Life Span

    The Characteristics of High Air Pressure DTH Hammers Without Foot Valve:

     

    It is a kind of high air pressure DTH hammer without foot valve, and it is our newest design. It is also one of the most advanced DTH hammers in the world.

     

    It has the following advantages:

    1. Out of the trouble of foot valve fracture and expansion and contraction.

    2. Lower energy consumption and higher impact frequency. The drilling speed is 15-30% higher than the one with foot valve.

    3. Simple structure, reliable parts, long life span, easy and cheap maintenance.

    4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.

     

    NUMA Series High Air Pressure DTH Hammer Without Foot Valve Specification:

     

    High Air Pressure DTH Hammer Without Foot Valve - N Series DTH Hammer
    Description Weight(kg)
    N100A N120A N125A
    1.Top sub 59.00 70.00 70.00
    2. O-ring Of Top Sub 0.03 0.04 0.04
    3.Breakout Ring 0.50 0.80 0.80
    4.Check Valve 1.40 2.00 2.00
    5. Spring 0.30 0.10 0.10
    6. Air Distributor 10.50 16.00 16.00
    7. Internal cylinder 12.50 25.00 25.00
    8. Piston 77.00 113.00 113.00
    9. External Cylinder 110.00 170.00 170.00
    10. Guide sleeve 4.50 25.00 23.00
    11. O-ring Of Stop Ring 0.02 0.01 0.01
    12. Stop Ring 1.90 4.50 4.00
    13. Breakout Ring 0.50 0.80 0.80
    14. Drive Chuck 25.50 48.00 45.00
    15. Drill Bit 106.00 164.00 175.00
           
    Technical Data
    Model N100A N120A N125A
    Length (Without Bit) 1545mm 1880mm 1880mm
    Weight (Without Bit) 305.00kg 475.00kg 470.00kg
    External Diameter φ226mm φ275mm φ275mm
    Bit Shank NUMA100 NUMA120 NUMA125
    Hole Range φ254 - φ311mm φ305- φ445mm φ305- φ445mm
    Connection Thread API 4 1/2 '' Reg, API 5 1/2 '' Reg API 5 1/2 '' Reg, API 6 5/8 '' Reg API 5 1/2 '' Reg, API 6 5/8 '' Reg
    Working Pressure 2.0 - 3.5 Mpa 2.0 - 3.5 Mpa 2.0 - 3.5 Mpa
    Impact Rate at 17 Bar 20HZ 20HZ 20HZ
    Recommended Rotation Speed 15 - 25 r/min 15 - 25 r/min 15 - 25 r/min
    Air Consumption 1.0Mpa: 22 m³/ min 1.0Mpa: 28 m³/ min 1.0Mpa: 28 m³/ min
    1.8Mpa: 40 m³/ min 1.8Mpa: 50 m³/ min 1.8Mpa: 50 m³/ min
    2.4Mpa: 65 m³/ min 2.4Mpa: 71 m³/ min 2.4Mpa: 71 m³/ min

    Numa Series DTH Hammers High Air Pressure 225mm 275mm With Long Life SpanNuma Series DTH Hammers High Air Pressure 225mm 275mm With Long Life Span

     

    Applications

    • Blast hole
    • Water well
    • Environmental
    • Exploration
    • Construction

    Factory
    Numa Series DTH Hammers High Air Pressure 225mm 275mm With Long Life Span

     

    Contact Details
    KSQ Technologies (Beijing) Co. Ltd

    Contact Person: katy.zhang@ksq-tech.com

    Send your inquiry directly to us (0 / 3000)

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