piercing diameter: 135 mm (5.7″)
- Extremely powerful
- Very accurate
- Robust design, few single parts, high lifetime
- KOK head (fixed), the most advanced piercing head
- With remote controlled Quick Reverse for forward and reverse (Version F)
< - Reverse happen pneumatically at the reverse valve at the lubricator
- Low recoil, thereby smooth starting penetration
- Low air consumption
- One machine = 3 operations (underground piercing tool, expander, steel pipe ram).
