Seawater Mix-up at #Hamaoka Nuke Plant: Pipes Broke in the Condenser When the End Cap Fell Off
Chubu Electric Power Company released the one-page announcement (in Japanese) with colorful diagrams and photos of the condenser unit of its Reactor 5, where 500 tons of seawater entered the Reactor Pressure Vessel the other day when the reactor was being shut down.
"Multiple" small-diameter (3 centimeters) pipes out of "about 21,000" that carry seawater to cool the steam that drives the turbine broke, probably having been hit by the end cap of the 20-centimeter diameter pipe for recirculating the water.
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