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1-2 Inch Middle-low Air Pressure DTH Hammer for Mining/Rock Drilling(NBR1A)

1-2 Inch Middle-low Air Pressure DTH Hammer for Mining/Rock Drilling(NBR1A) photo-1
US$ 1 - 10,000 MOQ: 1 Piece
Key Specifications
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Brand Name:
New Diamond
Model Number:
BR1A
Machine Type:
Drilling Tool
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai
Delivery Detail:
Delivery time depends on order quantity.
Brand Name New Diamond
Model Number BR1A
Machine Type Drilling Tool
Material Carbide
Processing Type Forging
Use Ore Mining
Place of Origin Hunan, China
Type Other, hammer
Certification Other, ISO9001:2008

Specifications

Mining Middle PressureDTH Hammer
1.Higher impact frequency
2.Faster drilling speed
3.Lower oil consumption
4.Suit for quarry

Product Description

1-2 Inch Middle-low Air Pressure DTH Hammer for Mining/Rock Drilling(NBR1A):

1. 10 years manufacturing experience;

2. Certificate: ISO9001:2008

3. Material: Carbide

NBR Series DTH Hammers are designed to operate efficiently at low air pressures and medium air pressures, using BR series bits.

Advantages:

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 low oil consumption. A hole can be drilled on the check valve to provide more efficient cuttings discharge.

6. Especially suitable for quarrying.

NBR1A DTH Hammer Technical Data

Length (Without Bit)

Weight (Without Bit)

External diameter

Bit Shank

Hole Range

Connection Thread

760mm

10.00kg

54mm

BR1

64-76

RD40 Box

Working Pressure

Impact rate at 1.4Mpa

Recommended rotation speed

Air consumption

0.7Mpa

1.0Mpa

1.4Mpa

0.7-1.75Mpa

27HZ

25-40r/min

1.5m³/min

2.5m³/min

3m³/min

Item Description

Weight (kg)

Part Number

1. Top Sub

2. Check Valve

3. Spring

4. Air Distributor

5. Internal Cylinder

6. Piston

7. External Cylinder

8. Guided Sleeve

9. o Ring of Stop Ring

10. Stop Ring

11. Drive Chuck

12. Drill Bit

1.70

0.01

0.05

0.80

0.80

1.20

4.00

0.15

0.05

0.10

0.80

1.70

NBR101

NBR102

NBR103

NBR104

NBR105

NBR106

NBR107

NBR108

NBR109

NBR110

NBR111

NBR112

Our Services

Our advantages:

We have advanced production equipments & talented researchers & technicians & rich experiences in R & D and production.
We use the best quality raw materials.
We adopt advanced production technology & strict testing procedure.
We passed ISO9001 quality management system certification.
We accept OEM manufacturing and produce on your design.

Company Information

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Business Type
Manufacturer, Trading Company
Year Established
2010
Factory Size
1,000-3,000 square meters
Total Employees
101 - 200 People