NPK
GHD7
NPK
GHD7
Designed for mini and midi excavators, NPK PH series compact hydraulic breakers feature a unique design. Simplified operation and maintenance ensure greater productivity, lower costs and a longer service life.
Highlights:
- Simple design with fewer components and no side bolts
- Enviro enclosed housing for reduced noise
- Two impact frequency modes
- Blank firing protection
- Quick and easy tool replacement
Hammer weight
1 180 kg
Excavator weight
14,000 - 21,000 kg
Impact frequency – MODE N
400 - 750 blows/min
Impact frequency – MODE H
550 - 900 blows/min
Oil flow
100 - 180 l/min
Compact hydraulic hammers
- Simple two-moving-parts design for reliability
- Gas charge valve - unique gaz-charge piston maximizes hammer efficiency
- Replaceable cylinder sleeves for easy, economical rebuilt
- Ports for automatic bushing lubrification and air for undewater use
- Anti-blank fire feauture for long hammer life
- One piece hammer body without tie rods
- Quick-change tool system with single round retainer pin
- Variety of tools configurations available
- Selectable frequency: offers N and H modes to adjust the working rate