The document discusses Junttan hydraulic hammers, their advantages over diesel hammers, and their worldwide use. Junttan hammers offer effective energy transfer, simple and robust design, versatility, ease of use and maintenance, and are more environmentally friendly than diesel hammers. They can be used with pile rigs, cranes with hanging or flying leaders, and barges. Junttan hammers have been used successfully on projects around the world for driving steel and concrete piles for bridges, harbors, shipyards, and more.

1. Hydraulic Hammers

5. Hammer utilisation Purpose built piling rig (hammers up to 12 ton) Crane use with hanging leader (normally hammers from 14 ton and up)

6. Hammer utilisation Barge use with fixed leader (normally hammers from 16 ton and up) Crane use with flying leader (normally hammers from 14 ton and up)

11. Junttan Hammer general arrangement

12. Easy and safe to use Control Box Stroke height scale on hammer frame Energy measure device (Optional) Power Pack

18. The Hydraulic and Diesel Hammer We take 45% efficiency for diesel hammer, and 90% efficiency for Junttan hydraulic hammer 135.000 134.480 300.000 141.869 Delmag D100-13 Junttan HHK 16A 101.250 101.229 225.000 106.402 Delmag D80-23 Junttan HHK 12A 74.250 76.106 165.000 79.801 Delmag D62-22 Junttan HHK 9A 48.229 59.120 107.177 62.067 Delmag D46-32 Junttan HHK 7A 37.746 42.117 Energy on pile (ft.lbs) 83.880 44.334 Kinetic energy (ft.lbs) Delmag D36-32 Junttan HHK 5A Hammer type

20. Hydraulic Hammers in cranes World Wide

30. HHK A hammer in Hong Kong