Cartridge, Adapter, Tubing Design (CAT-D)

Subsea Hydraulic
CAT-D Couplings

Our cutting edge hydraulic couplings support optimized system design while reducing costs and risks associated with welding, inspections, and more.

Why Weld More When You Can Weld Less?

Fully machined to include an adapter and tubing extension, our hydraulic couplings significantly reduce the cost and time associated with welding, inspection, and associated documentation. Metal-to-metal and simultaneous dual sealing poppet technology increase performance while the coupling’s cartridge design eliminates the need for special tooling when replacing poppets and seals.

The Future of Couplings

Significant Cost Savings

  • Weldless design simplifies assembly and reduces cost
  • Superior performance and lowered cost for multiple applications throughout subsea systems
  • CAT design simplifies supply chain

Simplified Fabrication and Assembly

  • System can be flushed without seal-containing cartridge
  • Coupling available in front and rear loading configurations

Optimized Performance

  • Improved flow coefficient supports optimization of system design
  • Removable cartridge design enables seal replacement without special tooling

CAT-D Couplings

Standard Specifications

*Custom options available upon request.

A Robust, Innovative Alternative to Existing Market-Available Solutions

Male Coupling Body
Male Coupling Body
Seal Cartridge
Seal Cartridge
Female Cartridge
Female Cartridge
Poppet
Poppet
Poppet
Poppet
Male Cartridge
Male Cartridge
Female Coupling Body
Female Coupling Body
Retaining Nut (Male)
Retaining Nut (Male)
Retaining Nut (Female)
Retaining Nut (Female)

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Oceaneering offers best-in-class products and solutions, backed by unparalleled quality, reliability, and global support. Fill out the inquiry form to start a conversation today.