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0.7Mpa-1.75Mpa Middle Low Air Pressure DTH Hammers

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KSQ Technologies (Beijing) Co. Ltd

City: beijing

Province/State:beijing

Country/Region:china

Tel:0086--18501231988

Contact Person:
Mr.Yingkai Zhang
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0.7Mpa-1.75Mpa Middle Low Air Pressure DTH Hammers

Brand Name MIROC Rock Drilling Tools
Model Number BR Series DTH Hammer
Certification API
Place of Origin China
Minimum Order Quantity 1 Piece DTH Hammer
Price Negotiation
Supply Ability 20000 pieces per month
Delivery Time 10-15 Days
Packaging Details Plywood Box
Product Name Middle Low Air Pressure DTH Hammers
Model BR1 BR2 BR3
Series BR DTH Hammer
Type Without Foot Valve
Use Tunneling, Mining,Quarrying,Water Well
Color Green,customed
Detailed Product Description

0.7Mpa~1.75Mpa Middle-Low Air Pressure DTH Hammers

 

Features

BR1,BR2 and BR3 series DTH Hammers are designed to operate efficiently at low air pressure and medium air pressure, using BR series bits.

 

The main features are as following:

1.The operating air prussure are between 0.7 MPa and 1.75Mpa.

2.Valveless hammers.

3.Simple structure, easy to assemble and to disassenble, long life span.

4.Higher impact frequency and faster drilling speed

5,Lower air consumption and lower oil consumption. A hole can be drilled pn the check valve to provide more efficient cuttings discharged.

6.Especially suitable for quarrying.

 

Product nameDTH Hammer
MaterialAlloy Steel&Tungsten Carbide
UseUnderground Mining,Water well,Mining,Quarry etc.
ColorGreen&Others
Heat treatmentAnneal
Shank seriesDHD,COP,MISSION, SD, DHD, BR, QL, BR,CIR etc.
Applicationheavy construction,Ore Drilling, mining, oil and gas, quarries
Hole60-305mm
Size2/3/4/5/6/7/8/9/10/12/14 inches
AdvantageHigh Performance and factory price

 

BR Series Middle Low Air Pressure DTH Hammer Specification:

Description

Weight(kg)

BR1

BR2

BR3

1.Top sub

1.70

2.60

5.20

2. O Type Ring

0.10

0.10

0.10

3. Check Valve

0.10

0.10

0.10

4. Spring

0.05

0.05

0.20

5. Air Distributor

0.80

0.60

0.80

6. Internal cylinder

0.80

0.80

1.30

7. Piston

1.20

3.80

5.50

8. External Cylinder

4.00

4.50

9.50

9. Guide sleeve

0.15

0.60

1.00

10. O-ring Of Stop Ring

0.005

0.005

0.05

11. Stop Ring

0.10

0.10

0.15

12. Drive Chuck

0.80

1.20

2.00

13. Drill Bit

1.70

2.50

4.00

Technical Data

Model

BR1A

BR2A

BR3A

Length (Without Bit)

760mm

880mm

889mm

Weight (Without Bit)

10.00kg

14.50kg

26.00kg

External Diameter

φ54mm

φ62mm

φ82mm

Bit Shank

BR1

BR2

BR3

Hole Range

φ64 - φ76mm

φ70- φ90mm

φ90- φ110mm

Connection Thread

Br40, Box

Rd50, Box

API 2 3/8 '' Reg

Working Pressure

1.0 - 1.5 Mpa

1.0 - 1.5 Mpa

1.0 - 1.5 Mpa

Impact Rate at 17 Bar

27HZ

25HZ

25HZ

Recommended Rotation Speed

25 - 40 r/min

25 - 40 r/min

25 - 40 r/min

Air Consumption

0.7Mpa: 1.5 m³/ min

0.7Mpa: 2.5 m³/ min

0.7Mpa: 4 m³/ min

1.0Mpa: 2.5 m³/ min

1.0Mpa: 4 m³/ min

1.0Mpa: 6 m³/ min

1.4Mpa: 3 m³/ min

1.4Mpa: 5 m³/ min

1.4Mpa: 8 m³/ min

 

Applications

1. Underground mining

2. Quarry benching operations

3. Water well drilling

 

BR DTH Hammer Photo:

Product Tags: 0.7Mpa DTH Hammers   1.75Mpa DTH Hammers   Quarrying DTH Hammers  
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