Offshore and Port
Power and Endurance：Hydraulic Cylinders for Offshore and Port
In offshore and port applications, advanced marine and material handling equipment achieves peak performance and operational efficiency through heavy-duty automation and precision control. Toleng hydraulic cylinders are ideal for a wide range of marine and port machinery such as pile driving barges, split barges, dredgers, ro-ro offshore platforms, anchor winches, marine cranes, self-elevating offshore wind power installation equipment, and drilling platforms. Furthermore, Toleng Hydraulics provides dedicated hydraulic solutions for specialized port handling equipment including Empty Container Stackers, Reach Stackers, Stacker-reclaimers, and Material Grabbing Machines, all of which demand exceptional durability and reliability in heavy-load or continuous-duty port environments. Toleng Hydraulics supplies hydraulic cylinders and rotary joints for marine infrastructure and bulk material handling systems, currently capable of supporting equipment used in large-scale offshore operations and port logistics to withstand the extreme conditions encountered during marine construction, energy installation, and cargo transport.
Application Example: A heavy-lift offshore installation vessel, equipped with a self-elevating wind power installation platform and supported by a multi-purpose ro-ro offshore platform, operates in the North Sea wind farm zone, installing over 80 wind turbines annually in water depths of up to 45 meters. Toleng hydraulic cylinders are critical to the vessel’s jacking system, extending through the legs to lift the entire platform above sea level, providing a stable working base in wave heights exceeding 4 meters and wind speeds of 25 m/s. The onboard marine crane relies on Toleng hydraulic cylinders for its boom luffing and telescoping functions, precisely positioning turbine components weighing up to 1,500 tons at hub heights exceeding 120 meters. Additionally, hydraulic cylinders control the anchor winches that maintain vessel positioning during pile driving operations, while separate cylinder sets operate the material grabbing machines that handle subsea rock placement for turbine foundation stabilization. Throughout the harsh North Sea marine environment, these cylinders withstand saltwater corrosion and dynamic wave loads, engineered with specialized sealing systems to prevent seawater ingress and chrome-plated piston rods resistant to salt spray, ensuring reliable performance for offshore energy construction.
- High-thrust hydraulic cylinders for pile driving hammers and barge positioning systems on pile driving barges and split barges, engineered for extreme impact loads and marine conditions
- Specialized cylinder systems for dredging operations, including cutter head positioning, suction pipe luffing, and spill gate control on hopper dredgers and cutter suction dredgers
- Corrosion-resistant hydraulic cylinders for ro-ro offshore platforms, drilling platforms, and self-elevating wind power installation equipment, featuring advanced sealing systems for submerged and splash-zone applications
- Heavy-duty winch cylinders and tensioning systems for anchor winches and mooring systems on offshore vessels and floating installations
- Precision control cylinders for marine cranes, including telescopic, luffing, and slewing functions, ensuring smooth load handling in dynamic sea conditions
- Complete hydraulic solutions for port machinery, including lift cylinders for empty container stackers, tilt and steering cylinders for reach stackers, and specialized cylinders for stacker-reclaimers and material grabbing machines in bulk handling terminals
References + Applications
Customized hydraulic cylinders for Maritime and Offshore
Maritime and offshore hydraulic systems must deliver flawless performance under some of the most corrosive and unpredictable conditions on Earth: relentless saltwater exposure, extreme wave impact, sub-zero deep-sea temperatures, and explosive atmospheres. During a deep-sea oil exploration project in the North Sea, a fleet of offshore supply vessels and platform cranes was deployed. These vessels operated continuously through heavy storms and Arctic conditions, handling thousands of tons of equipment, subsea modules, and riser pipes. Toleng Hydraulics supplied a comprehensive range of custom-designed cylinders for these demanding marine applications, including boom cylinders, heave compensation cylinders, tensioner cylinders, and hatch cover cylinders.
Offshore Crane Boom Cylinder:
Piston Diameter: 200 mm
Piston Rod Diameter: 140 mm
Stroke: 6,500 mm
Working Pressure: 28 MPa
Function: Provides precise and powerful lifting for transferring cargo between vessels and platforms in high-sea conditions.
Heave Compensation Cylinder (Drill Ship):
Piston Diameter: 320 mm
Piston Rod Diameter: 220 mm
Stroke: 7,000 mm
Working Pressure: 30 MPa
Function: Compensates for vessel heave, ensuring stable drill string positioning relative to the seabed during deep-water drilling.
Tensioner Cylinder (Pipeline Lay):
Piston Diameter: 250 mm
Piston Rod Diameter: 180 mm
Stroke: 1,200 mm
Working Pressure: 32 MPa
Function: Maintains constant tension on S-lay or J-lay pipelines, preventing buckling or overstress during subsea installation.
Hatch Cover Cylinder (Bulk Carrier):
Piston Diameter: 100 mm
Piston Rod Diameter: 70 mm
Stroke: 1,800 mm
Working Pressure: 16 MPa
Function: Safely opens and closes heavy marine hatch covers, ensuring watertight sealing during transport.
Anchor Handling Tugger Cylinder:
Piston Diameter: 180 mm
Piston Rod Diameter: 125 mm
Stroke: 2,500 mm
Working Pressure: 28 MPa
Function: Controls tension on anchor chains and towing lines during rig moves and anchor deployment.
Technical Highlights:
The large-bore tensioner cylinders on deep-water pipe-laying vessels are engineered to withstand extreme dynamic loads and seawater corrosion. Operating at up to 32 MPa, they generate holding forces exceeding 2,000 kN, ensuring pipeline integrity in water depths greater than 3,000 meters.
All cylinders feature advanced corrosion-resistant coatings and marine-grade sealing systems, specifically designed to withstand salt spray, biofouling, and ice formation, while maintaining stable performance in temperatures ranging from -40°C to +60°C.
Integrated subsea-rated position sensors provide real-time feedback with ±0.1 mm accuracy, enabling precise dynamic positioning and automated heave compensation for critical offshore lifting and drilling operations.
Some of our Applications
Maritime and Offshore
Pile Driving Barge
Split Barge
Dredger
Ro-ro Offshore Platforms
Anchor Winches
Marine Crane
Self Elevating Offshore Wind Power Installation Equipment
Drilling Platform
Port Machinery
Empty Container Stacker
Reach Stacker
Stacker-reclaimer
Material grabbing machine