Moderator je grafit, hladilo pa plin, ki v uparjalniku greje vodo. Nastala para poganja turbino.
PWR | BWR | PHWR | GCR & AGCR | LWGR | FBR
Graphite is used as the moderator and carbon dioxide is used as coolant. Hot CO2 heats up and boils water into steam that drives the turbine.
