Hydraulic Hammer GH-7A Enviro
GH-Series hydraulic hammers: more power and less noise
Advantages
- Enviro bracket which encloses the hammer in the best possible way: reduces sound and vibration.
- Underwater operation is easily adaptable from GH-4 and up.
- Shock absorbing Cushion Rubbers (from GH-7A and up) absorbs vibration and protects integrity of excavator boom and arm.
- Designed with sealed gas (N2) chamber – no rubber bladder accumulators.
- Constant energy per blow: maintains high breakout force – not dependent upon blow rate.
- Rapid and easy chisel replacement: reduces downtime to a minimum.
- Replaceable tool bushings: prevent wear to main chisel holder body and enhance the life of the breaker.
- Possibility to mount easily an automatic lubrication system from GH-7A and up.
Unique gas charged piston action. The Power of NPK®.
Shock absorbing Cushion Rubbers (from GH-7A ): low vibration and low noise.
The Enviro brackets, utilize special heavy-duty rubber mounts to absorb shock, recoil and impulse vibration.
Model | GH-7A |
Excavator weight (ton) | 14 - 21 |
Operating weight (kg) | 1345 |
Length with chisel (mm) | 2275 |
Oil flow (l/min) | 100-180 |
Min.excavator pressure (MPa) | 21 ~ |
Chisel diameter (mm) | 116 |
Attachments
Hydraulic-Hammer.pdf (5.57 MB)
Hydraulik-Hammer.pdf (5.72 MB)
Brise-Roches-Hydrauliques.pdf (5.66 MB)