B70 and B90 Pneumatic Breaker

• Type: Air Hammer
• Working Style: Rotary Type
• Air Wrench Type: Pulse pneumatic wrench
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: B70 B90
• Pneumatic Drill Range: Tunnel
• Brand: Qianshao
• Degree of Automation: Semi-automatic
• Screwdriver Startup Mode: Hand press
• Condition: New
• Customized: Customized
• Certification: CE
• Feature: OEM
• Color: Any Color
• Transport Package: Cartons or Others
• Specification: CE
• Trademark: GM
• Origin: China
• Production Capacity: 50000PCS/Year
• Package Size: 78.00cm * 41.00cm * 24.00cm
• Package Gross Weight: 45.000kg

Product Description

B70 and B90 Pneumatic Breaker

Scope of application

B70 and B90 pneumatic breakers are simple in design and easy to operate. They are designed for vertical demolition of concrete, asphalt, frozen soil and other hard materials in road construction and other demolition and construction work. No other use is permitted. The tools are not intended for rig-mounting.
For use in noise sensitive areas, there is an efficient muffler available as a option.

Specification

B90
B70
Dimensions
Mm
745*496*162
725*496*162
Weight without muffler
Kg
34
29
Cylinder diameter
Mm
58
52
Working pressure
Bar
4-6
4-6
Max working pressure
Bar
6
6
Impact energy (6 bar)
J
110
72
Impact energy (5 bar)
J
90
58
Impact frequency (6 bar)
Hz
18
18
Impact frequency (5 bar)
Hz
17
17
Air consumption (6 bar)
L/s
43
30
Air consumption (5 bar)
L/s
37
24
Air house inner diameter
Mm
19
19

		B90	B70
Dimensions	mm	745*496*162	725*496*162
Weight without muffler	kg	34	29
Cylinder diameter	mm	58	52
Working pressure	Bar	4-6	4-6
Max working pressure	Bar	6	6
Impact energy (6 bar)	J	110	72
Impact energy (5 bar)	J	90	58
Impact frequency (6 bar)	Hz	18	18
Impact frequency (5 bar)	Hz	17	17
Air consumption (6 bar)	l/s	43	30
Air consumption (5 bar)	l/s	37	24
Air house inner diameter	mm	19	19