HKNIC - Inside a Nuclear Island - The Reactor Pressure Vessel
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Inside a Nuclear Island - The Reactor Pressure Vessel

The nuclear reactor is housed inside a cylindrical pressure vessel made of a low alloy steel that weighs about 330 tonnes when empty, stands 13 metres tall, 4.4 metres in diameter and has a 20 centimetre thick steel wall.

Water is pumped into the pressure vessel at 293º C and heated to 327º C at the nuclear reactor. The water is kept at a pressure of 155 bar and flows at 18 tonnes per second.

Image Credit : EDF