B70 B90 is mainly used for breaking work,demolition work, road maintenance or mining and construction project.
Big impact power and low air consumption, easy for operation; mounted with advanced silencer which ensures compliance with noise standard. It is environmental friendly and protect operator’s health. Built in lubrication systems increase service life.
Specification
| Model | B90 | B70 |
| Weight | 34kg | 29kg |
| Dimension | 745*496*162mm | 725*496*162mm |
| Cylinder dia. | 58mm | 52mm |
| Working pressure | 0.4-0.63Mpa | 0.4-0.63Mpa |
| Impact energy | ≥100J(0.63Mpa) ≥96J(0.6Mpa) ≥80J(0.5Mpa) ≥70J(0.4Mpa) | ≥78J(0.63Mpa) ≥74J(0.6Mpa) ≥59J(0.5Mpa) ≥44J(0.4Mpa) |
| Impact frequency | ≥18.3Hz(0.63Mpa) ≥18Hz(0.6Mpa) ≥17Hz(0.5Mpa) ≥16Hz(0.4Mpa) | ≥18.5Hz(0.63Mpa) ≥18.2Hz(0.6Mpa) ≥16.8Hz(0.5Mpa) ≥15.4Hz(0.4Mpa) |
| Air consumption | ≥42L/s(0.63Mpa) ≥39L/s(0.6Mpa) ≥35L/s(0.5Mpa) ≥31L/s(0.4Mpa) | ≥32L/s(0.63Mpa) ≥30.3L/s(0.6Mpa) ≥24L/s(0.5Mpa) ≥17.7L/s(0.4Mpa) |
| ≥2.52m³/min(0.63Mpa) ≥2.34m³/min(0.6Mpa) ≥2.1m³/min(0.5Mpa) ≥1.86m³/min(0.4Mpa) | ≥1.92m³/min(0.63Mpa) ≥1.8m³/min(0.6Mpa) ≥1.5m³/min(0.5Mpa) ≥1.1m³/min(0.4Mpa) | |
| Air pipe inner dia. | 19mm (3/4inch) | 19mm (3/4inch) |
| Shank size | 32*152mm (1-1/4X6inch) 28*152mm (1-1/8X6inch) | 32*152mm (1-1/4X6inch) 28*152mm (1-1/8X6inch) |