Secondary circuit


Various applications, including:

TA volume control system:

  • Regulating the water level in the pressuriser.
  • Supplying barrier water to the main coolant pump shaft seal.
  • Auxiliary spraying in the pressuriser when the main cooling pumps are not available.

RS emergency feed system:

  • Emergency supply to the steam generator during malfunctions.

TH emergency and recooling system:

  • Temperature and flow regulation



  •  Austenitic materials
  •  Simple failsafe designs
  • Bellows seals