Subsea
SIT has experience in various subsea applications including hydraulic power units for ROV thruster and tool testing, remote valve actuation solutions for manifolds, launch and recovery systems for equipment deployment, shock and load deceleration technology, mooring solutions and much more. We specialize in custom, fully integrated packages which we design and manufacture to our client’s specifications.
Modular Calm Buoy HPU
ROV Subsea Control Panels
ROV Subsea Control Panels
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Subsea Power, Automation & Valve control:

  • Central control for any number of remotely operated valves.
  • Valve actuation designed with ROV override options.
  • Accumulators ASME/ABS Certified for energy storage of isolation.
  • Remote or Local PLC-based control options.
  • Pressure compensated designs.
  • Custom hydraulic and electric control solutions with redundancy to assure reliable operation.
  • Equipment skids built and certified to DNV 2.7-1 lifting standards.
  • Telemetry for wireless communication.
  • Umbilical's and umbilical deployment solutions

Subsea Applications:

  • Valves and valve actuation for subsea tieback installations.
  • Valves and valve actuation on subsea pipelines.
  • Valves and valve actuation for riser installations.
  • Valves and valve actuation for PLEMS.
  • FPSO automated turret manifold valves.
  • Platform ballast valves and control integration.
  • Valve control on SSIV skids.
  • Load deceleration for shock absorption.
  • ROV control panels.
Products
BETTIS GS - SERIES SCOTCH YOKE SUBSEA VALVE ACTUATOR
CHAMPALLE-ALCEN TELEMETRY SYSTEM
DANTORQUE SUBSEA VALVE ACTUATORS
EMERSON POSITION INDICATION SWITCH OPTION
GWC FORGED TRUNNION MOUNTED BALL VALVES WELDED BODY
SHAFER DIVER FRIENDLY SUBSEA VALVE ACTUATORS
SUBSEA POWER, AUTOMATION & VALVE CONTROL