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Hydraulic Breakers

NPK-1

NPK Hydraulic Hammers (Breakers) Medium to Heavy Duty Class GH Series

NPK GH Series Hydraulic Hammers are designed and manufactured in Japan. It is used for medium to heavy class duty work. GH-series Breaker is easy to maintain and has a reliable performance. It has user friendly features, excellent power-to-weight ratio and high impact energy that provide greater productivity. The GH Series is suitable for quarry and demolition work and has a range of breakers to suit your needs. 

NPK

Features and Benefits

  • Enclosed Brackets: reduced noise and complete protection of the hammer body
  • Rubber Cushions: absorb vibrations, enhance operator comfort and reduce stress on Excavator arm and boom
  • All models are easily adaptable for Underwater operation
  • Anti-Blank Hammering system: Hammer will fire only when chisel is loaded into material - increases durability, safer and more efficient operation
  • Unique Gas Charged Piston Action:
    • Nitrogen Gas: Less recoil, more power
    • Main valve: only two moving parts
    • Piston: Constant energy per blow
  • Rapid and easy chisel replacement: reduces downtime to a minimum
  • Replaceable tool bushings: enhances the life of the hammer and prevents wear to main chisel body
  • Replaceable cylinder bushings: easy to maintain and  prevents wear of the hammer body

Technical Specifications:

ModelExcavator Weight (t)Weight (kg)Oil Flow (l/min)Blow Frequency (bpm)Max. Excavator's relief setting pressure (Mpa)Chisel Diameter (mm)
GH (S) - 610 -1695090 -150450 - 80025106
GH (S) - 919 - 211650150 - 200500 - 65025126
GH (S) - 1019 - 211810165 - 210430 - 55025136
GH (S) - 1222 - 282430170 - 220400 - 52025146
GH (S) - 1529 - 382895200 - 250350 - 45025156
GH (S) - 1839 - 483430220 - 290300 - 40025165
GH (S) - 2345 - 654525250 - 320300 - 40025174
GH (S) - 3060 - 805470280 - 350310 - 39025184
GH - 4090 - 1107750300 - 400240 - 33025204
GH - 5012011300350 - 450210 - 28025214

Note: Weight is inclusive of standard bracket and point chisel, (S) refers to Anti-Blank hammering system specifications