HCS has extensive manufacturing capability to undertake the design and manufacture of SDU / UTA equipment.  Our competitive strengths include; our quality and safety credentials, highly skilled and experienced technical teams and our ability to offer in-house testing and SIT services.

Subsea SDU/UTA
  • Multiple outputs can be customised to number of trees in work scope
  • Internals can be manufactured from stainless steel or duplex dependent of fluid selection and test procedures
  • Optional subsea valves
  • Direct output can be to singular coupler or complete stabplate/MQC plate
  • EDU can be fitted internally within structure or recessed on top for easy access
  • Carbon steel structure can be painted to client spec
  • Pressure Test and Flush
  • SIT if required
  • Load Test to client specification
  • CompEx approved electrical testing
  • Maintenance and technical support
  • All manufacturing processes are accredited by Lloyds ISO 9001/OSHAS 18001:2007
  • All stages of fabrication and assembly can be carried out on site thereby ensuring full control of quality and production processes
  • Basic structures have an input which could be welded directly to the umbilical or connected via bulkhead plate on the umbilical side
  • Production welding can comply with any specific quality or industry standards.
  • All tubing within the SDU is fully welded using the orbital welding proses which can be either autogenous or wire feed welding
  • 100% of welds undergo radiography and DPI giving full traceability
  • CE compliant (including ATEX and machinery directives)

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Subsea Assemblies - SDU UDA

SDU/UTA Images