- Articulated arms to compensate misalignment between valves and top body.
- Pulleys block with tempered contact surfaces and mounted on cushions / rolling.
- Both pulley blocks are reinforced with high strength steel (700 Mpa.
- Clamshell design with optimal penetration that allows full loading in all the operations and completely manufactured in wear resistant steel (hardness up to 475 HBW).
- Structure validated by Finite Elements Analysis.