VT Delfin Submersible ROV

Versatile submarine for visual inspections and FOSAR applications in nuclear power plants.

Applications & Features

  • Reactor coolant line and pump
  • Pressuriser
  • Steam generator primary side system
  • RPV and RPV internals
  • FOSAR applications & Tank inspections
  • Versatile platform
  • Highly manoeuvrable
  • PTZ Full-HD CCD camera or PTZ High-Rad tube camera
  • Extendable and tiltable gripper VT GTL with 360° rotation head
  • Line laser for measurements of cracks etc.
  • Rear view camera and lighting
  • Watertight up to 5 bar


  • Material: Stainless steel
  • Dimensions: Standard configuration 550 x 360 x 300 mm (L x W x H)
  • Weight: approx. 30 kg incl. camera and gripper
  • Housing: Stainless steel and anodised aluminium
  • Thrusters: 4 stainless steel thrusters
  • Speed: adaptable
  • Lighting: 4 x 40 Watts adjustable LED inspection lights
    1 x 20 Watts LED rear light
  • Camera: VT 360 PT Full-HD PTZ CCD camera with optional laser or VT XLRAD PT tube camera
  • Cameras can be mounted vertically or horizontally
  • Depth sensor: Integrated depth sensor with auto-hold function
  • Umbilical: Neutral buoyant cable
  • Watertight: up to 5 bar

Option & Upgrades

Underwater vacuum
VT 1011 SE for FOSAR applications

UT matrix
For UT applications e.g. baffle bolt inspections

Control units
VT 270-3 CU 19“-Rackmount / Standalone control unit

Various additional lighting sources available – for increased illumination of objects and surrounding inspection area

Various cable reels with adaptable cable lengths available, motor-driven if needed

Interested in this unit, or need more details?
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