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2023 Hot Sale Mining Rig Part Middle Air Pressure hammer dth BR3 Rock Drilling Bits

Get Latest Price
US$ 395
≥1 Pieces
US$ 375
≥10 Pieces

Quick Details

Place of Origin:
Hunan, China
Brand Name:
Csdrill
Dimension(L*W*H):
707mm/868mm/889mm
Weight:
14.5 KG
Product Details
Middle air pressure DTH hammer BR1/BR2/BR3 Drilling machine parts
Product Description
BR1 (60-64mm) BR2 (70-80mm) dia hole

The BR1 and BR2 are both valved type hammers designed for high performance at low operating air pressures. Simplicity of design,ease of service and low air consumption are all factors which combine to make these hammers robust and reliable drilling tools.
Both hammers are available as standard with box backheads, RD40 for the BR1 and RD50 for the BR2. However alternative
backheadoptions are available on request.
The BR1 and BR2 hammers both incorporate a positive fitting check valve to guard against the ingress of ground water debris when the air is shut off.
2023 Hot Sale Mining Rig Part Middle Air Pressure hammer dth BR3 Rock Drilling Bits
2023 Hot Sale Mining Rig Part Middle Air Pressure hammer dth BR3 Rock Drilling Bits
2023 Hot Sale Mining Rig Part Middle Air Pressure hammer dth BR3 Rock Drilling Bits
Length
(without bit)
Weight  (without bit)
External Diameter

Bit Shank

Hole range

Connection Thread
707mm
868mm
889mm
10.0KG
14.5KG
26.0KG

φ54mm
φ62mm
φ82mm
BR1
BR2
BR3
φ64-φ76mm
φ70-φ90mm
φ90-φ110mm
RD40 BOX
RD50 BOX
API 2 3/8‘’ Reg
Working Pressure
Impact rate at 1.5Mpa

Recommended rotation speed
Air consumption
0.7Mpa
1.0Mpa
1.4Mpa
0.7-1.8Mpa
25HZ
25-40r/min
2.5m³/min
4.5m³/min
6.0m³/min
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, easy and cheap maintenance.
4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.
Contact us
Company Introduction
Certificate
Application
Packing & Delivery
Using ply-wooden cases and pallet for package to protect the products and avoid the damaging during transportation. Also we can customize package according to your special requests.
Customer Photos