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CANDU Steam Generator Tube Inspection and Repair

Our commitment to efficiency and safety in nuclear operations is shown through our development of the PRIMA™ SG robotic manipulator, which offers improved speed, accuracy and durability during steam generator inspection and maintenance.   

PRIMA™ SG significantly reduces inspection time and minimizes operator radiation exposure. Designed and built in-house, this system is engineered for rapid tool changes and handles all automated tube plugging and removal tasks.  

Key benefits:  

  • Fast and efficient: Proven 10-minute field installation and negligible tube-to-tube speed (4 ft/second)  
  • Enhanced safety: No personnel entry into the vessel is required, minimizing radiation exposure (ALARA principle)  
  • Precision and reliability: Single-point calibration, failsafe calibration retention and zero inspection exclusion zones  
  • Versatile and robust: Lightweight, three-piece design for easy transport and assembly, 100 pounds payload capacity and compatibility with industry-standard data acquisition units and tooling  
  • Clean and simple: No pneumatic air requirements, no striding or tube walking and no metal-to-metal gripping of tubes  

 

PRIMA™ SG has been successfully deployed in Canada and internationally. 

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