B70/B90
CE
New
Customized
Jack Hammer, Air Hammer
OEM
Any Color
Rotary Type
Pulse pneumatic wrench
Tunnel
Qianshao
Semi-automatic
Hand press
GM
Cartons or Others
CE
China
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 |
