100% Original 3″ to 12″ High Air Pressure DTH Drilling Tool Back Hammer for Dismantling

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Our organization sticks to your principle of “Quality may be the life of your organization, and reputation will be the soul of it” for 100% Original 3″ to 12″ High Air Pressure DTH Drilling Tool Back Hammer for Dismantling, Our customers mainly distributed while in the North America, Africa and Eastern Europe. we are able to offer high-quality goods with all the pretty competitive value. Our organization sticks to your principle of “Quality may be the life of you...


Product Detail

BR1 DTH HAMMER

BR2-DTH HAMMER

BR3 DTH HAMMER

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Our organization sticks to your principle of “Quality may be the life of your organization, and reputation will be the soul of it” for 100% Original 3″ to 12″ High Air Pressure DTH Drilling Tool Back Hammer for Dismantling, Our customers mainly distributed while in the North America, Africa and Eastern Europe. we are able to offer high-quality goods with all the pretty competitive value.
Our organization sticks to your principle of “Quality may be the life of your organization, and reputation will be the soul of it” for China Hammer Drill and Hammer Disassembling Tools, Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question factors they do not understand. We break down people barriers to ensure you get what you want to the level you expect, when you want it. Faster delivery time and the product you want is our Criterion .
BRIA、BR2A and BR3A series DTH Hammers are designed to operate efficiently at low air pressures and medium air pressures, using BR series bits.

The main features are as follows:

1. The operating air pressures are between 0.7Mpa and 1.75Mpa.

2. Valveless hammers.

3. Simple structure, easy to assemble and to disassemble, long life.

4. Higher impact frequency and faster drilling speed.

5. lower air consumption and lower oil consumption. A hole can be drilled on the check valve to provide more efficient cuttings discharge.

6. Especially suitable for quarrying.


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  • BR1-DTH Hammer
     BR1
    Ref. Parts Weight Ref. Parts Weight
    1 Top Sub 1.92 kg 9 Guided Sleeve 0.29 kg
    2 “O”Ring 0.01 Kg 10 Check Ring 0.1  kg
    3 Check Valve 0.08 kg 11 Retainer Ring 0.08 kg
    4 Spring 0.01 Kg 12 “O”Ring 0.01 Kg
    5 Air distributor 0.46 kg 13 Drive Chuck 0.82 kg
    6 Inner Cylinder 0.38 kg 14 Drill Bit
    7 Piston 1.16 kg
    8 Outer Cylinder 3.46 kg
     Technical parameters
    Length(Without Bit) Weight External diameter Connection Thread Bit Shank Hole Range
    698mmmm 8.8Kg Φ56mm RD40 BOX BR1 Φ76-Φ90mm
    Working pressure Recommended rotation speed Air Consumption
    1.0Mpa 1.4Mpa
    0.8-1.5Mpa 30-50 r/min 2m³/min 3m³/min
    BR2-DTH Hammer
     BR2
    Ref. Parts Weight Ref. Parts Weight
    1 Top Sub 2.5  Kg 9 Guided Sleeve 0.52 Kg
    2 “O”Ring 0.01 Kg 10 Retainer Ring 0.1  Kg
    3 Check Valve 0.08  Kg 11 “O”Ring 0.01 Kg
    4 Spring 0.05 Kg 12 Drive Chuck 1.2  Kg
    5 Valve Seat 0.5  Kg 13 Drill Bit
    6 Inner Cylinder 0.6  Kg
    7 Piston 2.3  Kg
    8 Piston Case 4.5  Kg
    BR2 Technical parameters
    Length(Without Bit) Weight External diameter Connection Thread Bit Shank Hole Range
    810mmmm 12.5Kg Φ64mm RD50 BOX BR2 Φ70-Φ90mm
    Working pressure Recommended rotation speed Air Consumption
    1.0Mpa 1.4Mpa
    0.8-1.5Mpa 30-50 r/min 3m³/min 4.5m³/min
    BR3-DTH Hammer
     BR3
    Ref. Parts Weight Ref. Parts Weight
    1 Top Sub 4.4  Kg 9 Guided Sleeve 0.9  Kg
    2 “O”Ring 0.01 Kg 10 Check Ring 0.15 Kg
    3 Check Valve 0.13 Kg 11 Retainer Ring 0.25 Kg
    4 Spring 0.02 Kg 12 “O”Ring 0.01 Kg
    5 Valve Seat 0.76 Kg 13 Drive Chuck 2   kg
    6 Inner Cylinder 1.45 Kg 14 Drill Bit
    7 Piston 4.7  Kg
    8 Piston Case 6   Kg
    BR3 Technical parameters
    Length(Without Bit) Weight External diameter Connection Thread Bit Shank Hole Range
    871mmmm 21Kg Φ82mm  API2 3/8″REG BR3 Φ90-Φ115mm
    Working pressure Recommended rotation speed Air Consumption
    1.0Mpa 1.5Mpa
    1.0-1.7Mpa 30-50 r/min 4m³/min 7m³/min
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