Offshore Hydraulic Cylinders

Precision Engineered for Marine and Offshore Environments

Offshore Hydraulic Cylinders are critical components designed to withstand the harsh conditions of marine and offshore operations. These cylinders provide reliable linear force and motion control for various applications, including drilling rigs, cranes, winches, and subsea equipment. Built with corrosion-resistant materials and advanced sealing technologies, they ensure longevity and performance in saltwater, high-pressure, and extreme temperature environments. Our offshore hydraulic cylinders are engineered to meet international standards such as ISO, DNV, and API, offering unmatched durability and safety for offshore industries.

Detailed Product Specifications

Our offshore hydraulic cylinders come in a range of sizes and configurations to suit diverse operational needs. Below are the key specifications presented in a clear list format for easy reference:

• Bore Size: Available from 50mm to 500mm, catering to light-duty to heavy-duty applications.
• Stroke Length: Customizable from 100mm to 6000mm, ensuring flexibility for various setups.
• Operating Pressure: Rated up to 350 bar, providing high force output for demanding tasks.
• Material Construction: Made from high-strength steel with stainless steel rods and chrome plating for corrosion resistance.
• Sealing System: Utilizes Nitrile or Polyurethane seals, compatible with hydraulic fluids and resistant to seawater.
• Mounting Options: Include flange, clevis, trunnion, and foot mounts for easy integration into existing systems.
• Temperature Range: Operates efficiently from -40°C to 120°C, suitable for arctic to tropical conditions.
• Certifications: Compliant with ISO 6020/2, DNV-GL, and API specifications, ensuring global reliability.

Performance Comparison Table

To help you select the right cylinder for your needs, here's a comparison table of our standard offshore hydraulic cylinder models:

Frequently Asked Questions (FAQ)

What are the key benefits of using offshore hydraulic cylinders in marine applications?
Offshore hydraulic cylinders offer superior corrosion resistance, high load capacity, and reliability in extreme environments. They are designed to minimize downtime and maintenance, which is crucial for offshore operations where access is limited. Their robust construction ensures safety and efficiency in critical tasks like lifting, pulling, and positioning.

How do I choose the right bore size for my application?
Select the bore size based on the required force output, which is calculated using the formula: Force = Pressure × Area. Consider factors like operating pressure, load weight, and space constraints. For example, a larger bore provides more force but may require higher fluid volume. Consult our technical team for personalized recommendations based on your specific setup.

What maintenance is required for offshore hydraulic cylinders?
Regular maintenance includes inspecting seals for wear, checking for corrosion, and ensuring proper lubrication. In saltwater environments, rinsing with fresh water after use can extend lifespan. We recommend scheduled inspections every 6-12 months, depending on usage intensity. Our cylinders are designed for easy maintenance with accessible components.

Can these cylinders be used in subsea conditions?
Yes, our subsea-rated models are specifically engineered for underwater operations up to depths of 3000 meters. They feature enhanced sealing systems, pressure compensation, and materials resistant to hydrostatic pressure. These cylinders are tested to meet DNV and API standards for subsea equipment.

What materials are used to prevent corrosion in offshore hydraulic cylinders?
We use high-grade materials such as stainless steel (e.g., 316L), carbon steel with epoxy coatings, and chrome-plated rods. Additionally, seals are made from materials like Nitrile or Viton, which resist saltwater, oils, and chemicals. This combination ensures long-term durability in corrosive marine environments.

Are custom configurations available for specific offshore projects?
Absolutely. We offer custom design services to meet unique requirements, including special stroke lengths, mounting options, port sizes, and certification needs. Provide your project details, and our engineers will develop a solution tailored to your operational demands, ensuring compatibility and performance.

Applications in Offshore Industries

Offshore hydraulic cylinders are integral to numerous marine sectors. In oil and gas, they power blowout preventers, drilling equipment, and pipeline handling systems. For renewable energy, such as offshore wind farms, they facilitate turbine adjustment and maintenance operations. In shipping and cargo, these cylinders are used in cranes, hatches, and mooring systems. Their versatility and robustness make them essential for ensuring operational efficiency and safety in challenging offshore environments. Each application demands precise engineering, and our products are tested rigorously to perform under high stress, variable loads, and harsh weather conditions, reducing the risk of failure and enhancing productivity.

Technical Support and Services

We provide comprehensive technical support, including installation guidance, maintenance training, and troubleshooting assistance. Our team is available to help with selection, customization, and after-sales service. Additionally, we offer documentation such as CAD drawings, certification papers, and operation manuals to ensure seamless integration into your systems. With global logistics, we can deliver products to remote offshore locations efficiently, supported by a warranty that covers defects and performance issues.