Air Hammer B70/B90 Pneumatic Breakers Jack Hammer

• Type: Air Hammer
• Working Style: Rotary Type
• Air Wrench Type: Pulse pneumatic wrench
• Pneumatic Drill Range: Tunnel
• Brand: Qianshao
• Degree of Automation: Semi-automatic
• Model NO.: B70/B90
• 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

Product Description

Production Description

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 ispermitted. 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