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Reactor Pressure Vessel and Its Internals
In an ABWR, coolant water is recirculated inside the reactor pressure vessel (RPV) by reactor internal pumps installed within the vessel itself. The RPV contains the fuel assemblies, control rods and the reactor's internals. It is made of low-alloy steel and its inner surface is clad with corrosion- resistant materials.
The internal elements it houses include the steam separator and dryer and the core support structures.
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