Offshore & Marine Cranes
Pedestal cranes, knuckle boom cranes, subsea lifting systems, and heave-compensated equipment for offshore platforms, FPSOs, and marine construction vessels.
Offshore Pedestal Crane
Fixed-base rotating crane mounted on a pedestal on offshore platform decks or jack-ups. The standard crane for deck lifting, supply vessel (PSV) cargo handling, and maintenance lifts. Knuckle boom or lattice boom designs.
Key Features
- Pedestal or king-post mounting
- Active heave compensation (AHC) option for subsea
- Closed sheave block and anti-two-block
- Corrosion-resistant finish (hot-dip galvanised + epoxy)
- ATEX Zone 2 certified electrical
- API 2C certification standard
- Personnel transfer basket capability (DNV rated)
Typical Applications
- Fixed platform cargo handling
- Jack-up maintenance
- PSV cargo operations
- Drill floor pipe handling
Sea-state dependent — SWL reduces significantly above Hs 2m; requires certified inspection per DNVGL ST-0378.
Knuckle Boom / Articulated Crane
Two-section articulated boom that can fold below deck level when not in use. Excellent reach over the side and below the waterline. Widely used on anchor handling tug supply vessels (AHTS), pipe lay barges, and dive support vessels (DSVs).
Key Features
- Compact stowed height — folds below rail
- Long horizontal reach from vessel side
- Subsea deployment possible with AHC
- Quick coupling tool changer for subsea tooling
- Man-rider certified options (DNV)
- Stainless or duplex steelwork for severe marine environments
Typical Applications
- AHTS anchor handling
- Pipe lay support
- ROV/DSV subsea tooling deployment
- Diving support vessel crane
Complex hydraulic system requires specialist maintenance; sea-state ratings lower than lattice boom at equivalent capacity.
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