Liquid Injection Shutdown System (LISS) & LISS Nozzles

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Liquid Injection Shutdown System (LISS) & LISS Nozzles

Liquid Injection Shutdown System (LISS) & LISS Nozzles

The liquid injection shutdown system (LISS) is part of safety shutdown system 2 (SDS2) in the CANDU reactor. The LISS provides for a rapid injection of gadolinium nitrate solution by helium displacement. This liquid solution is injected from an external poison tank into the heavy water in the calandria vessel.

Many in core components are manufactured to ASME Pressure vessel code standards and precise technical specifications.

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