Cable Hang-off System
A highly efficient hang-off solution designed to securely fasten medium- and high-voltage power cables to the top of foundations/cable decks on monopiles, jackets, J-tubes, or rigs. Customizable in height.
Product Categories
Offshore Hang-off Clamps · Platform Hang-off Clamps · Rigid Hang-off Clamps · Riser Hang-off Clamps · Structural Hang-off Clamps · Umbilical Hang-off Clamps · Wind Farm Hang-off Clamps
Product Overview
This offshore cable hang-off system is engineered for applications such as offshore wind farms and oil & gas platforms, providing reliable fixation of medium- and high-voltage power cables to the top of foundations on monopiles, jackets, or rigs.
The cable hang-off clamps deliver stable structural support between the riser/umbilical and the external J-tube. An optional sealing module is available to ensure complete sealing of the annulus between the riser and the J-tube. The topside hang-off clamp features a pre-installed continuous housing structure, enabling rapid deployment prior to riser pull-in.
Key System Advantages
Easy Installation: Modular design supports quick assembly
Low-Pressure Safety: Temporary clamping pressure < 3 MPa, lower than most conventional solutions
Layout Optimization: Reduces the distance between the hang-off flange and cable core termination, facilitating routing and installation
Reliable Sealing: Specifically designed for monopile foundations, with sealing performance tested at > 3 bar pressure (industry standard typically 1 bar)
Eco-Friendly & Safe: Sealing resin requirement reduced to only 2–3 liters (traditional designs require approx. 10 liters), significantly lowering health and safety risks during construction
Customization Services
Philson offers fully customized hang-off system designs and can also rapidly adapt to various pipe, umbilical, and cable specifications based on an extensive J-tube engineering database. The height, material, and structural configuration of the riser hang-off flange can be flexibly tailored to project requirements.
For more information on marine engineering protection products, cable accessories, polyurethane, or PEEK components, please feel free to contact us.
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